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# RICOCHET
SE WIRELESS MODEM
Card Type Modem (asynchronous)
Chipset Ricochet
Maximum Data Rate 100Kbps raw data, approx. 28.8Kbps
throughput
Data Modulation Proprietary
Error Proprietary
Correction/Compression
Data Bus Serial
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------+---------+----------------+--------|
| Antenna | ANT | DC power in | CN2 |
|------------------------+---------+----------------+--------|
| Signal strength button | BT1 | LCD display | LCD |
|------------------------+---------+----------------+--------|
| Serial port via | CN1 | Power switch | SW1 |
| micro-D connector | | | |
|------------------------------------------------------------|
| Note: A standard DB-25 or Macintosh mini-DIN serial |
| port is provided on included adapter cables. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| POWER SWITCH |
|------------------------------------------------------------|
| Setting | SW1 |
|-------------------------------+----------------------------|
| Off | Position 1 |
|-------------------------------+----------------------------|
| On, speaker disabled | Position 2 |
|-------------------------------+----------------------------|
| On, speaker enabled | Position 3 |
+------------------------------------------------------------+
+--------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|--------------------------------------------------------|
| Basic AT Commands |
|--------------------------------------------------------|
| A, E, H, O, Q, V, W, X |
|--------------------------------------------------------|
| &C, &D, &F, &K, &W |
|--------------------------------------------------------|
| S-Registers |
|--------------------------------------------------------|
| S0, S2, S3, S4, S5, S7 |
|--------------------------------------------------------|
| Note: See MHI help file for complete information. |
+--------------------------------------------------------+
+------------------------------------------------------------+
| UNIDENTIFIED COMMANDS |
|------------------------------------------------------------|
| Command | Default |
|----------------------------+-------------------------------|
| S390 | Factory use only |
|----------------------------+-------------------------------|
| S391 | Factory use only |
|----------------------------+-------------------------------|
| S392 | Factory use only |
|----------------------------+-------------------------------|
| S393 | Factory use only |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| ICON STATUS |
|------------------------------------------------------------|
| Format: | AT [cmds] S360=aabbccddeeff [cmds] |
|---------------+--------------------------------------------|
| Default: | N/A |
|---------------+--------------------------------------------|
| Range: | 000000000000h - 000FFFFFFFFFh |
| | (hexadecimal) |
|---------------+--------------------------------------------|
| Description: | Each pair of letters above indicated a |
| | hexadecimal byte pair, corresponding to |
| | the bitmap show below. The status of these |
| | bits indicate the status of the icons on |
| | the modem's LCD display. |
|------------------------------------------------------------|
| Byte | Bit | Value | Function |
|----------+-----+-----------+-------------------------------|
| 1 | 7 - | 00000000 | Not used. |
| | 0 | | |
|------------------------------------------------------------|
| 2 | 1, 0 | 00 | "Message A Waiting" icon is |
| | | | off. |
| | | 01 | |
| | | | "Message A Waiting" icon is |
| | | 10 | blinking slowly. |
| | | | |
| | | 11 | "Message A Waiting" icon is |
| | | | blinking quickly. |
| | | | |
| | | | "Message A Waiting" icon is |
| | | | on. |
|-------------+--------+------+------------------------------|
| | 3, 2 | 00 | "Message B Waiting" icon is |
| | | | off. |
| | | 01 | |
| | | | "Message B Waiting" icon is |
| | | 10 | blinking slowly. |
| | | | |
| | | 11 | "Message B Waiting" icon is |
| | | | blinking quickly. |
| | | | |
| | | | "Message B Waiting" icon is |
| | | | on. |
|-------------+--------+------+------------------------------|
| | 7 - 4 | 0000 | Not used. |
|-------------+--------+------+------------------------------|
| 3 | 0 | 0 | Lowest segment of signal |
| | | | strength bar is off. |
| | | 1 | |
| | | | Lowest segment of signal |
| | | | strength bar is on. |
|-------------+--------+------+------------------------------|
| | 1 | 0 | Second segment of signal |
| | | | strength bar is off. |
| | | 1 | |
| | | | Second segment of signal |
| | | | strength bar is on. |
|-------------+--------+------+------------------------------|
| | 2 | 0 | Third segment of signal |
| | | | strength bar is off. |
| | | 1 | |
| | | | Third segment of signal |
| | | | strength bar is on. |
|-------------+--------+------+------------------------------|
| | 3 | 0 | Highest segment of signal |
| | | | strength bar is off. |
| | | 1 | |
| | | | Highest segment of signal |
| | | | strength bar is on. |
|-------------+--------+------+------------------------------|
| | 4 | 0 | Signal strength bar segments |
| | | | that are off are not pulsing |
| | | 1 | upwards. |
| | | | |
| | | | Signal strength bar segments |
| | | | that are off are pulsing |
| | | | upwards. |
|-------------+--------+------+------------------------------|
| | 5 | 0 | Not used. |
|-------------+--------+------+------------------------------|
| | 7, 6 | 00 | "Registered on Network" icon |
| | | | is off. |
| | | 01 | |
| | | | "Registered on Network" icon |
| | | 10 | is blinking slowly. |
| | | | |
| | | 11 | "Registered on Network" icon |
| | | | is blinking quickly. |
| | | | |
| | | | "Registered on Network" icon |
| | | | is on. |
|-------------+--------+------+------------------------------|
| 4 | 0 | 0 | Lowest segment of battery |
| | | | level bar is off. |
| | | 1 | |
| | | | Lowest segment of battery |
| | | | level bar is on. |
|-------------+--------+------+------------------------------|
| | 1 | 0 | Second segment of battery |
| | | | level bar is off. |
| | | 1 | |
| | | | Second segment of battery |
| | | | level bar is on. |
|-------------+--------+------+------------------------------|
| | 2 | 0 | Third segment of battery |
| | | | level bar is off. |
| | | 1 | |
| | | | Third segment of battery |
| | | | level bar is on. |
|-------------+--------+------+------------------------------|
| | 3 | 0 | Highest segment of battery |
| | | | level bar is off. |
| | | 1 | |
| | | | Highest segment of battery |
| | | | level bar is on. |
|-------------+--------+------+------------------------------|
| | 4 | 0 | Battery level bar segments |
| | | | that are off are not pulsing |
| | | 1 | upwards. |
| | | | |
| | | | Battery level bar segments |
| | | | that are off are pulsing |
| | | | upwards. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ICON STATUS (CON'T) |
|------------------------------------------------------------|
| Byte | Bit | Value | Function |
|------------------------------------------------------------|
| 4 | 5 | 0 | Not used. |
|---------+--------+----+------------------------------------|
| | 7, 6 | 00 | "Power On" icon is off. |
| | | | |
| | | 01 | "Power On" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Power On" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Power On" icon is on. |
|---------+--------+----+------------------------------------|
| 5 | 1, 0 | 00 | "Handshake" icon is off. |
| | | | |
| | | 01 | "Handshake" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Handshake" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Handshake" icon is on. |
|---------+--------+----+------------------------------------|
| | 3, 2 | 00 | "Terminal Ready" icon is off. |
| | | | |
| | | 01 | "Terminal Ready" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Terminal Ready" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Terminal Ready" icon is on. |
|---------+--------+----+------------------------------------|
| | 5, 4 | 00 | "Ring Indicator" icon is off. |
| | | | |
| | | 01 | "Ring Indicator" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Ring Indicator" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Ring Indicator" icon is on. |
|---------+--------+----+------------------------------------|
| | 7, 6 | 00 | "Radio Acquired" icon is off. |
| | | | |
| | | 01 | "Radio Acquired" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Radio Acquired" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Radio Acquired" icon is on. |
|---------+--------+----+------------------------------------|
| 6 | 1, 0 | 00 | "Encryption" icon is off. |
| | | | |
| | | 01 | "Encryption" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Encryption" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Encryption" icon is on. |
|---------+--------+----+------------------------------------|
| | 3, 2 | 00 | "Billing Zone" icon is off. |
| | | | |
| | | 01 | "Billing Zone" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Billing Zone" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Billing Zone" icon is on. |
|---------+--------+----+------------------------------------|
| | 5, 4 | 00 | "Network Busy" icon is off. |
| | | | |
| | | 01 | "Network Busy" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Network Busy" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Network Busy" icon is on. |
|---------+--------+----+------------------------------------|
| | 7, 6 | 00 | "Star Mode" icon is off. |
| | | | |
| | | 01 | "Star Mode" icon is blinking |
| | | | slowly. |
| | | 10 | |
| | | | "Star Mode" icon is blinking |
| | | 11 | quickly. |
| | | | |
| | | | "Star Mode" icon is on. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT STATUS |
|------------------------------------------------------------|
| Format: | AT [cmds] S361? [cmds] |
|-----------------+------------------------------------------|
| Default: | Read-only |
|-----------------+------------------------------------------|
| Range: | 0 - 31 |
|-----------------+------------------------------------------|
| Description: | Returns a value indicating the status of |
| | selected signals on the serial port. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-----------+-------------------------------------|
| 0 | 0 | RI signal is low. |
| | | |
| | 1 | RI signal is high. |
|------------------------------------------------------------|
| 1 | 0 | DCD signal is low. |
| | | |
| | 1 | DCD signal is high. |
|--------------+-----------+---------------------------------|
| 2 | 0 | CTS signal is low. |
| | | |
| | 1 | CTS signal is high. |
|--------------+-----------+---------------------------------|
| 3 | 0 | DSR signal is low. |
| | | |
| | 1 | DSR signal is high. |
|--------------+-----------+---------------------------------|
| 4 | 0 | RTS signal is low. |
| | | |
| | 1 | RTS signal is high. |
|--------------+-----------+---------------------------------|
| 5 | 0 | Not used. |
|--------------+-----------+---------------------------------|
| 6 | 0 | Modem is not in bridge mode. |
| | | |
| | 1 | Modem is in bridge mode. |
|--------------+-----------+---------------------------------|
| 7 | N/A | The function of this bit is |
| | | unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLEEP MODE |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S327=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects what criteria must be true for the |
| | modem to disconnect from the network and |
| | enter low-power sleep mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S327=0 | Low-power sleep mode disabled. |
|--------------+---------------------------------------------|
| S327=1 | Low-power sleep mode enabled; exit sleep |
| | mode if data is received. |
|--------------+---------------------------------------------|
| S327=2 | Low-power sleep mode enabled; exit sleep |
| | mode if DTR or RTS signals change state. |
|--------------+---------------------------------------------|
| S327=3 | Low-power sleep mode enabled; exit sleep |
| | mode if data is received or if DTR or RTS |
| | signals change state. |
|--------------+---------------------------------------------|
| S327=4 | Light dozing mode enabled. |
+------------------------------------------------------------+
Proprietary AT Command Set
See RICOCHET ORIGINAL WIRELESS MODEM for a full command summary.