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# PARADYNE CORPORATION
COMSPHERE 3830
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 19.2Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation AT&T V.32terbo
Protocol
Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | DC power | CN4 |
|------------------+----------+-------------------+----------|
| Line in | CN2 | Power switch | SW1 |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|---------+--------+----------+------------------------------|
| PWR | Green | On | Power is on |
|---------+--------+----------+------------------------------|
| PWR | Green | Off | Power is off |
|---------+--------+----------+------------------------------|
| ALRM | Red | Blinking | Internal malfunction |
| | | | detected |
|---------+--------+----------+------------------------------|
| ALRM | Red | Off | Normal operation |
|---------+--------+----------+------------------------------|
| OH | Green | On | Modem is off-hook |
|---------+--------+----------+------------------------------|
| OH | Green | Off | Modem is on-hook |
|---------+--------+----------+------------------------------|
| DTR/108 | Green | On | DTR signal is high |
|---------+--------+----------+------------------------------|
| DTR/108 | Green | Off | DTR signal is low |
|---------+--------+----------+------------------------------|
| RTS/105 | Green | On | RTS signal is high |
|---------+--------+----------+------------------------------|
| RTS/105 | Green | Off | RTS signal is low |
|---------+--------+----------+------------------------------|
| CTS/106 | Green | On | CTS signal is high |
|---------+--------+----------+------------------------------|
| CTS/106 | Green | Off | CTS signal is low |
|---------+--------+----------+------------------------------|
| TXD/103 | Green | On | Modem is transmitting data |
|---------+--------+----------+------------------------------|
| TXD/103 | Green | Off | Modem is not transmitting |
| | | | data |
|---------+--------+----------+------------------------------|
| LSD/109 | Green | On | Carrier signal detected |
|---------+--------+----------+------------------------------|
| LSD/109 | Green | Off | Carrier signal not detected |
|---------+--------+----------+------------------------------|
| RXD/104 | Green | On | Modem is receiving data |
|---------+--------+----------+------------------------------|
| RXD/104 | Green | Off | Modem is not receiving data |
|---------+--------+----------+------------------------------|
| SQ | Yellow | On | Incoming signal is degraded |
|---------+--------+----------+------------------------------|
| SQ | Yellow | Off | Normal operation |
|---------+--------+----------+------------------------------|
| EC | Green | On | Error correction enabled |
|---------+--------+----------+------------------------------|
| EC | Green | Off | Error correction disabled |
|---------+--------+----------+------------------------------|
| RATE | Yellow | On | Modem is connected at less |
| | | | than configured speed |
|---------+--------+----------+------------------------------|
| RATE | Yellow | Off | Modem is connected at |
| | | | configured speed |
|---------+--------+----------+------------------------------|
| AT | Yellow | On | AT command set disabled |
|---------+--------+----------+------------------------------|
| AT | Yellow | Off | AT command set enabled |
|---------+--------+----------+------------------------------|
| AT | Yellow | Blinking | AT command set partially |
| | | | enabled (see S84) |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AT COMMAND RESPONSE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S84=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S84=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the response to AT commands. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S84=0 | Normal operation |
|--------------+---------------------------------------------|
| S84=1 | Execute valid commands, suppress error |
| | codes. |
|--------------+---------------------------------------------|
| S84=2 | Ignore configuration commands, always |
| | return OK error code. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO REDIAL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS37=6<CR> |
|--------------+---------------------------------------------|
| Default: | Unidentified. |
|--------------+---------------------------------------------|
| Unit: | 1 stored number. |
|--------------+---------------------------------------------|
| Description: | Redial from a list of stored numbers |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S36=0 | Dial stored number 1 |
|--------------+---------------------------------------------|
| S36=1 | Dial stored numbers 1-2. |
|--------------+---------------------------------------------|
| S36=2 | Dial stored numbers 1-3. |
|--------------+---------------------------------------------|
| S36=3 | Dial stored numbers 1-4. |
|--------------+---------------------------------------------|
| S36=4 | Dial stored numbers 1-5. |
|--------------+---------------------------------------------|
| S36=5 | Dial stored numbers 1-6 |
|--------------+---------------------------------------------|
| S36=6 | Dial stored numbers 1-7. |
|--------------+---------------------------------------------|
| S36=7 | Dial stored numbers 1-8. |
|--------------+---------------------------------------------|
| S36=8 | Dial stored numbers 1-9. |
|--------------+---------------------------------------------|
| S36=9 | Dial stored numbers 1-10. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT%A20<CR> |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character. %A0 will |
| | disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \C1 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \CO | Data is discarded. |
|--------------+---------------------------------------------|
| \C1 | Data is buffered. |
|--------------+---------------------------------------------|
| \C2 | Data is discarded, resets to \C1 on receipt |
| | of autoreliable fallback character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \K5 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects response to DTE break command. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \K0 | Send break, clear buffer, enter command |
| | mode. |
|--------------+---------------------------------------------|
| \K1 | Send break, clear buffer |
|--------------+---------------------------------------------|
| \K2 | Send break, send data, enter command mode. |
|--------------+---------------------------------------------|
| \K3 | Send break. send data, |
|--------------+---------------------------------------------|
| \K4 | Send data, send break, enter command mode. |
|--------------+---------------------------------------------|
| í \K5 | Send data, send break. |
|--------------+---------------------------------------------|
| \K6 | Disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUSY OUT ON LOW DTR |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S69=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S69=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Modem goes off hook on low DTR. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S69=0 | Busy out disabled. |
|--------------+---------------------------------------------|
| S699=1 | Busy out enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLBACK STORED NUMBER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S67=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S67=0<CR> |
|--------------+---------------------------------------------|
| Description: | Callback function will dial the number |
| | stored in memory location 1. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S67=0 | Disabled. |
|--------------+---------------------------------------------|
| S67=1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CELLULAR ENHANCEMENT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S91=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S91=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Adjusts profile to improve cellular |
| | performance |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S91=0 | Disabled. |
|--------------+---------------------------------------------|
| S91=1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &C3 <CR> |
|--------------+---------------------------------------------|
| Description: | Configures the behavior of the carrier |
| | detect signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &C0 | CD forced high. |
|--------------+---------------------------------------------|
| í &C1 | CD normal. |
|--------------+---------------------------------------------|
| &C2 | CD forced high except during handshaking |
| | and disconnecting. |
|--------------+---------------------------------------------|
| &C3 | CD momentary interrupt on disconect. |
|--------------+---------------------------------------------|
| &C4 | CD follows remote RTS signal. |
|--------------+---------------------------------------------|
| &C5 | CD Follows DTR signal. Forced low on |
| | disconnect. |
|--------------+---------------------------------------------|
| &C6 | CD forced low on retrain of over 10 sec. |
| | Forced high after no retrain for over 10 |
| | sec. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &B1 %C1 &I<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| í %C1 | Data compression enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \N1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled. |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled. |
|--------------+---------------------------------------------|
| \N2 | MNP mode only enabled. |
|--------------+---------------------------------------------|
| \N3 | MNP mode with fallback to normal mode |
| | enabled. |
|--------------+---------------------------------------------|
| \N4 | V.42/MNP mode only enabled. |
|--------------+---------------------------------------------|
| í \N5 | V.42/MNP mode with fallback to normal mode |
| | enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS SIGNAL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Dn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \D0<CR> |
|--------------+---------------------------------------------|
| Description: | Selects the function of the CTS signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \D0 | CTS forced high. |
|--------------+---------------------------------------------|
| \D1 | CTS normal. |
|--------------+---------------------------------------------|
| \D2 | CTS interrupted for 2 seconds on |
| | disconnect. |
|--------------+---------------------------------------------|
| \D3 | CTS follows DTR. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL TYPE SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Jn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &J0 D555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets transmit signal level. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &J0 | Permissive -9dBm |
|--------------+---------------------------------------------|
| &J1 | Programmable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT BUFFER DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S39=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S39=0<CR> |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Configures how long the modem will wait to |
| | disconnect if there is data in the transmit |
| | or receive buffers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT IMMEDIATELY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S85=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S85=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Disconnect immediately on receipt of |
| | disconnect signal from DTE or diagnostic |
| | control panel. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S85=0 | Disabled. |
|--------------+---------------------------------------------|
| S85=1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT INACTIVITY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S80=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S80=3 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the signal monitored by the inactivity |
| | timer (\T). |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S80=0 | Transmit or receive. |
|--------------+---------------------------------------------|
| S80=1 | Transmit only. |
|--------------+---------------------------------------------|
| S80=2 | Receive only. |
|--------------+---------------------------------------------|
| í S80=3 | Transmit and receive. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISCONNECT ON LOSS OF CURRENT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S65=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S65=0<CR> |
|--------------+---------------------------------------------|
| Description: | Causes the modem to disconnect if the |
| | telephone line’s current drops. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S65=0 | Disconnect after 8ms if current is lost. |
|--------------+---------------------------------------------|
| S65=1 | Disconnect after 90ms if current is lost. |
|--------------+---------------------------------------------|
| S65=2 | Disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE RATE CONTROL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S61=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S61= &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets result of DTE CT111 rate control |
| | signal. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S61=0 | Disabled. |
|--------------+---------------------------------------------|
| S61=-1 | Fallback 1. |
|--------------+---------------------------------------------|
| S61=2 | Fallback 2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR ALARM |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S77=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S77=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sends alarm to proprietary Series |
| | Management Controller if DTR low for 10 |
| | seconds. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S77=0 | Alarm disabled. |
|--------------+---------------------------------------------|
| S77=1 | Alarm enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY DEFAULTS |
|------------------------------------------------------------|
| Type: | Immediate/Configuration |
|--------------+---------------------------------------------|
| Format: | AT &Fn |
|--------------+---------------------------------------------|
| Example: | AT &F0<CR> |
|--------------+---------------------------------------------|
| Description: | Loads factory defaults to NVRAM. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &F0 | Asynchronous dial. |
|--------------+---------------------------------------------|
| &F3 | UNIX dial. |
|--------------+---------------------------------------------|
| &F5 | Cellular (Mobile). Load \A4, \N4, S0=3, |
| | S7=120, S10=100, S43=1, S76=3, S89=9, |
| | S91=1. |
|--------------+---------------------------------------------|
| &F6 | Cellular (PSTN). Load &I100, \N4, S7=120, |
| | S10=100, S43=1, S89=9, S91=1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \G1 &K3<CR> |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \G0 | Flow control disabled. |
|--------------+---------------------------------------------|
| \G1 | Flow control enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \Q5<CR> |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled. |
|--------------+---------------------------------------------|
| \Q1 | Bidirectional XON/XOFF flow control |
| | enabled. |
|--------------+---------------------------------------------|
| í \Q2 | CTS flow control by DCE enabled. |
|--------------+---------------------------------------------|
| \Q3 | Bidirectional CTS/RTS flow control enabled. |
|--------------+---------------------------------------------|
| \Q4 | XON/XOFF flow control by DCE enabled. |
|--------------+---------------------------------------------|
| \Q5 | XON/XOFF flow control by DTE enabled. |
|--------------+---------------------------------------------|
| \Q6 | RTS flow control by DTE enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HANDSHAKE OPTIONS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S43=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S43=0 <CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0, 1 |
|--------------+---------------------------------------------|
| Description: | Controls the V.32bis handshake sequence. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S43=0 | V.32bis long handshake. |
|--------------+---------------------------------------------|
| S43=1 | V.32is short handshake. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT\T20<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 1 minute |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LAP-M FRAME SIZE4 |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \A3 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the maximum frame size for V.42 and |
| | MNP connections. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | Maximum frame size is 64 |
|--------------+---------------------------------------------|
| \A1 | Maximum frame size is 128 |
|--------------+---------------------------------------------|
| \A2 | Maximum frame size is 192 |
|--------------+---------------------------------------------|
| \A3 | Maximum frame size is 256 |
|--------------+---------------------------------------------|
| \A4 | Maximum frame size is 32 |
|--------------+---------------------------------------------|
| \A5 | Maximum frame size is 16 |
|------------------------------------------------------------|
| Note: Maximum V.42 frame size is 128. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LAP-M FRAME WINDOW |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S89=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS89=6<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 1-9 |
|--------------+---------------------------------------------|
| Unit: | 1 frame (beginning with 0=6 frames) |
|--------------+---------------------------------------------|
| Description: | Sets the number of frames used in V.42 and |
| | V.42bis transmissions |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S82=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S82=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Allows modem to retrain to compensate for |
| | bad line quality. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S82=0 | Retrain enabled. |
|--------------+---------------------------------------------|
| S82=1 | Retrain disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S44=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS44=6<CR> |
|--------------+---------------------------------------------|
| Default: | 18 |
|--------------+---------------------------------------------|
| Description: | Sets maximum leased line speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S44=0 | 14.4Kbps V.32bis |
|--------------+---------------------------------------------|
| S44=1 | 14.4Kbps V.32bis |
|--------------+---------------------------------------------|
| S44=2 | 12.0Kbps V.32bis |
|--------------+---------------------------------------------|
| S44=3 | 9600bps V.32bis |
|--------------+---------------------------------------------|
| S44=4 | 7200bps V.32bis |
|--------------+---------------------------------------------|
| S44=5 | 4800bps V.32bis |
|--------------+---------------------------------------------|
| S44=6 | 2400bps V.22bis |
|--------------+---------------------------------------------|
| í S44=18 | 19.2Kbps V.32terbo |
|--------------+---------------------------------------------|
| S44=19 | 16.8bps V.32terbo |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LEASED LINE TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S45=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S45=15<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0 - 15 |
|--------------+---------------------------------------------|
| Unit: | 1 dBm |
|--------------+---------------------------------------------|
| Description: | Sets the signal level for transmission when |
| | in leased line mode. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S41=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS41=6<CR> |
|--------------+---------------------------------------------|
| Default: | 20 |
|--------------+---------------------------------------------|
| Description: | Sets maximum line speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S41=1 | 14.4Kbps V.32bis |
|--------------+---------------------------------------------|
| S41=2 | 12.0Kbps V.32bis |
|--------------+---------------------------------------------|
| S41=3 | 9600bps V.32bis, V.32 |
|--------------+---------------------------------------------|
| S41=4 | 7200bps V.32bis |
|--------------+---------------------------------------------|
| S41=5 | 4800bps V.32bis, V.32 |
|--------------+---------------------------------------------|
| S41=6 | 2400bps V.22bis |
|--------------+---------------------------------------------|
| S41=7 | 1200bps V.22 |
|--------------+---------------------------------------------|
| S41=8 | 1200bps 212A |
|--------------+---------------------------------------------|
| S41=10 | 0-300bps V21 |
|--------------+---------------------------------------------|
| S41=11 | 0-300bps 103J |
|--------------+---------------------------------------------|
| S41=12 | 1200/75bps V.23 |
|--------------+---------------------------------------------|
| S41=13 | 75/1200bps V.23 |
|--------------+---------------------------------------------|
| í S41=20 | 19.2Kbps V.32terbo |
|--------------+---------------------------------------------|
| S41=21 | 16.8bps V.32terbo |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL ANALOG LOOPBACK |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S52=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S52=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Modem executes local analog loopback on |
| | receipt of CT141 signal from DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S52=0 | Loopback disabled. |
|--------------+---------------------------------------------|
| S52=1 | Loopback enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S90=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S90=0<CR> |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S90=0 | Disabled. |
|--------------+---------------------------------------------|
| S90=1 | Serial speed follows connect speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MI/MIC |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S83=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S83=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Configures the Mode Indicate/Mode Indicate |
| | Common (MI/MIC) interface. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S83=0 | Disabled. |
|--------------+---------------------------------------------|
| S83=1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S55=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S55=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Allows remote configuration by 3800 series |
| | modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S55=0 | Remote configuration enabled. |
|--------------+---------------------------------------------|
| S55=1 | Remote configuration disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE DIGITAL LOOPBACK |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S51=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S51=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Modem executes remote digital loopback on |
| | receipt of CT140 signal from DTE |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S51=0 | Loopback disabled. |
|--------------+---------------------------------------------|
| S51=1 | Loopback enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &C1 I1 B1<CR> |
|--------------+---------------------------------------------|
| Description: | Displays modem properties. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Display product code. |
|--------------+---------------------------------------------|
| I1 | Display 3 digit firmware revision number. |
|--------------+---------------------------------------------|
| I2 | Reports current EPROM checksum. |
|--------------+---------------------------------------------|
| I3 | Display serial number. |
|--------------+---------------------------------------------|
| I4 | Display model number. |
|--------------+---------------------------------------------|
| I5 | Display hardware part number. |
|--------------+---------------------------------------------|
| I6 | Display software part number. |
|--------------+---------------------------------------------|
| I9 | Display 3 digit firmware revision number. |
|--------------+---------------------------------------------|
| I10 | Changes value displayed by I0 |
|--------------+---------------------------------------------|
| í I10=0 | Display 144 |
|--------------+---------------------------------------------|
| I10=1 | Display 240 |
|--------------+---------------------------------------------|
| I10=2 | Display 480 |
|--------------+---------------------------------------------|
| I10=3 | Display 960 |
|--------------+---------------------------------------------|
| I10=4 | Display 120 |
|--------------+---------------------------------------------|
| I11 | Reports RAM checksum result. |
|--------------+---------------------------------------------|
| !19 | Display complete firmware revision number. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESET MODEM TO STORED PROFILE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Zn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT Z0<CR> |
|--------------+---------------------------------------------|
| Description: | Restores modem profiles previously saved in |
| | non-volatile RAM using the &W command. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| Z0 | Restore profile 0. |
|--------------+---------------------------------------------|
| Z1 | Restore profile 1. |
|--------------+---------------------------------------------|
| Z2 | Restore profile 2. |
|--------------+---------------------------------------------|
| Z3 | Restore profile 3. |
|--------------+---------------------------------------------|
| Z9 | Restore factory defaults and use them as |
| | power-on defaults. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Xn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT X5 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Enables extended result codes, EC and V.42, |
| | MNP suffix, dial tone and busy signal |
| | detect |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| X0 | Disabled. |
|--------------+---------------------------------------------|
| X1 | Enable extended result codes. |
|--------------+---------------------------------------------|
| X2 | Enable extended result codes and dial tone |
| | detect. |
|--------------+---------------------------------------------|
| X3 | Enable extended result codes and busy |
| | signal detect |
|--------------+---------------------------------------------|
| í X4 | Enable extended result codes, dial tone |
| | detect and busy signal detect |
|--------------+---------------------------------------------|
| X5 | Enable extended result codes, EC suffix, |
| | dial tone detect and busy signal detect |
|--------------+---------------------------------------------|
| X6 | Enable extended result codes, V.42, MNP |
| | suffix, dial tone detect and busy signal |
| | detect |
|--------------+---------------------------------------------|
| X7 | Display DTE rate. Enable dial tone detect |
| | and busy signal detect |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RJ11 CELLULAR ADAPT |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S93=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S93=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Adds support or RJ11 connection during |
| | cellular operation |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S93=0 | Disabled. |
|--------------+---------------------------------------------|
| S93=1 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| STORED PROFILE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S88=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S88=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Loads stored profile on disconnect. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S88=0 | Disabled. |
|--------------+---------------------------------------------|
| S88=231 | Disabled. |
|--------------+---------------------------------------------|
| S88=1 | Enabled. |
|--------------+---------------------------------------------|
| S88=232 | Enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRANSMISSION LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] &In [cmds] |
|---------------+--------------------------------------------|
| Example: | AT &I26 &W<CR> |
|---------------+--------------------------------------------|
| Default: | 0 |
|---------------+--------------------------------------------|
| Range: | 10-32, 99, 100 |
|---------------+--------------------------------------------|
| Unit: | -1 dBm |
|---------------+--------------------------------------------|
| Description: | Sets the signal level for transmission |
|------------------------------------------------------------|
| Note: Set to 99 for autoadjust ETC1.0 specification. Set |
| to 100 for autoadjust ETC1.1 specification |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25bis CODE SET |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S62=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S62=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets coding type used in V.25bis mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S62=0 | ASCII |
|--------------+---------------------------------------------|
| S62=1 | EBCDIC |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.25bis NEW LINE CHARACTER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S64=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S64=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets V.25 new line character. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S64=0 | Carriage return and line feed. |
|--------------+---------------------------------------------|
| S64=1 | Carriage return. |
|--------------+---------------------------------------------|
| S64=2 | Line feed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32bis AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S76=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S76=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects action the modem will take during |
| | bad line quality on 32bis connection. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S76=0 | Auto retrain enabled. |
|--------------+---------------------------------------------|
| S76=1 | Auto retrain disabled. |
|--------------+---------------------------------------------|
| S76=2 | Auto retrain started at 4800bps. |
|--------------+---------------------------------------------|
| S76=3 | Auto retrain started at 9600bps |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32bis/PBX AUTOMODE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S78=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT S78=0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects allowed modulations. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S78=0 | Use any supported modulation. |
|--------------+---------------------------------------------|
| S78=1 | Use modulation specified in S41 |
|--------------+---------------------------------------------|
| S78=2 | Use PBX modulation. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.42bis COMPRESSION CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] "Hn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT "H3 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Controls V.42bis data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| "H0 | V.42bis disabled. |
|--------------+---------------------------------------------|
| "H1 | V.42bis when transmitting enabled. |
|--------------+---------------------------------------------|
| "H2 | V.42bis when receiving enabled. |
|--------------+---------------------------------------------|
| í "H3 | V.42bis when transmitting/receiving |
| | enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| XON/XOFF PASS-THROUGH |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Xn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \X7 O<CR> |
|--------------+---------------------------------------------|
| Description: | Selects whether XON/XOFF signals are sent |
| | to remote modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \X0 | XON/XOFF signals trapped by local modem. |
|--------------+---------------------------------------------|
| \X1 | XON/XOFF passed through local modem. |
+------------------------------------------------------------+