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# CTC UNION TECHNOLOGIES CO., LTD.
ETU01/V35
Card Type E1 DSU
Chip Set Unidentified
I/O Options AC power, E1 network interface via BNC
connectors (2),
E1 network interface via 15-pin connector,
E1 network interface via bantam connectors
(2), 34-pin DTE port (V.35)
Wiring Type RG-58A/U cable
E1 Transfer Rate 2.048Mbps
E1 Line Coding AMI, HDB3
Frame type CCS, CAS, CRC4
Data Bus External
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------+--------+-----------------------+--------|
| AC power | CN1 | BNC connector - | CN5 |
| | | receive | |
|------------------+--------+-----------------------+--------|
| Bantam jack - | CN2 | BNC connector - | CN6 |
| receive | | transmit | |
|------------------+--------+-----------------------+--------|
| Bantam jack - | CN3 | 15 pin-network port | CN7 |
| transmit | | | |
|------------------+--------+-----------------------+--------|
| V.35 DTE port | CN4 | Power switch | SW8 |
|------------------------------------------------------------|
| Note: RS-449 interface is possible via 37-pin connector on |
| adapter cable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------------+-------+-----------|
| » | Framed mode (2048Kbps) | SW1/1 | On |
|---+------------------------------------+-------+-----------|
| | Unframed mode(64Kbps x n ) | SW1/1 | Off |
|---+------------------------------------+-------+-----------|
| » | Time slot 1 enabled | SW1/2 | On |
|---+------------------------------------+-------+-----------|
| | Time slot 1 disabled | SW1/2 | Off |
|---+------------------------------------+-------+-----------|
| » | Time slot 2 enabled | SW1/3 | On |
|---+------------------------------------+-------+-----------|
| | Time slot 2 disabled | SW1/3 | Off |
|---+------------------------------------+-------+-----------|
| » | Time slot 3 enabled | SW1/4 | On |
|---+------------------------------------+-------+-----------|
| | Time slot 3 disabled | SW1/4 | Off |
|---+------------------------------------+-------+-----------|
| » | Time slot 4 enabled | SW1/5 | On |
|---+------------------------------------+-------+-----------|
| | Time slot 4 disabled | SW1/5 | Off |
|---+------------------------------------+-------+-----------|
| » | Time slot 5 disabled | SW1/6 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 5 enabled | SW1/6 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 6 disabled | SW1/7 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 6 enabled | SW1/7 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 7 disabled | SW1/8 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 7 enabled | SW1/8 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CONT.) |
|------------------------------------------------------------|
| » Time slot 8 disabled | SW2/1 | Off |
|----------------------------------------+-------+-----------|
| | Time slot 8 enabled | SW2/1 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 9 disabled | SW2/2 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 9 enabled | SW2/2 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 10 disabled | SW2/3 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 10 enabled | SW2/3 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 11 disabled | SW2/4 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 11 enabled | SW2/4 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 12 disabled | SW2/5 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 12 enabled | SW2/5 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 13 disabled | SW2/6 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 13 enabled | SW2/6 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 14 disabled | SW2/7 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 14 enabled | SW2/7 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 15 disabled | SW2/8 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 15 enabled | SW2/8 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 16 disabled | SW3/1 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 16 enabled | SW3/1 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 17 disabled | SW3/2 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 17 enabled | SW3/2 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 18 disabled | SW3/3 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 18 enabled | SW3/3 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 19 disabled | SW3/4 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 19 enabled | SW3/4 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 20 disabled | SW3/5 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 20 enabled | SW3/5 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 21 disabled | SW3/6 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 21 enabled | SW3/6 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 22 disabled | SW3/7 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 22 enabled | SW3/7 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 23 disabled | SW3/8 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 23 enabled | SW3/8 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 24 disabled | SW4/1 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 24 enabled | SW4/1 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 25 disabled | SW4/2 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 25 enabled | SW4/2 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 26 disabled | SW4/3 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 26 enabled | SW4/3 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 27 disabled | SW4/4 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 27 enabled | SW4/4 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 28 disabled | SW4/5 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 28 enabled | SW4/5 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 29 disabled | SW4/6 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 29 enabled | SW4/6 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 30 disabled | SW4/7 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 30 enabled | SW4/7 | On |
|---+------------------------------------+-------+-----------|
| » | Time slot 31 disabled | SW4/8 | Off |
|---+------------------------------------+-------+-----------|
| | Time slot 31 enabled | SW4/8 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CONT.) |
|------------------------------------------------------------|
| » HDB3 line code enabled | SW5/4 | Off |
|-------------------------------------+-------+--------------|
| | AMI line code enabled | SW5/4 | On |
|---+---------------------------------+-------+--------------|
| » | CAS/PCM31 frame mode enabled | SW5/5 | Off |
|---+---------------------------------+-------+--------------|
| | CAS/PCM30 frame mode enabled | SW5/5 | On |
|---+---------------------------------+-------+--------------|
| » | CRC4 diabled | SW5/6 | Off |
|---+---------------------------------+-------+--------------|
| | CRC4 enabled | SW5/6 | On |
|---+---------------------------------+-------+--------------|
| » | Unused timslot - Flag (0x7E) | SW5/7 | Off |
|---+---------------------------------+-------+--------------|
| | Unused timeslot - Mark (0xFF) | SW5/7 | On |
|---+---------------------------------+-------+--------------|
| » | 64Kbps x n data rate enabled | SW5/8 | Off |
|---+---------------------------------+-------+--------------|
| | 56Kbps x n data rate enabled | SW5/8 | On |
|---+---------------------------------+-------+--------------|
| » | Jitter attenuator enabled | SW6/1 | On |
|---+---------------------------------+-------+--------------|
| | Jitter attenuator disabled | SW6/1 | Off |
|---+---------------------------------+-------+--------------|
| » | Jitter on received side | SW6/2 | Off |
|---+---------------------------------+-------+--------------|
| | Jitter on transmitted side | SW6/2 | On |
|---+---------------------------------+-------+--------------|
| » | Jitter buffer depth set at 32 | SW6/3 | Off |
| | bits | | |
|---+---------------------------------+-------+--------------|
| | Jitter buffer depth set at 128 | SW6/3 | On |
| | bits | | |
|---+---------------------------------+-------+--------------|
| » | Cascading function disabled | SW6/4 | Off |
|---+---------------------------------+-------+--------------|
| | Cascading function enabled | SW6/4 | On |
|---+---------------------------------+-------+--------------|
| » | Passthrough disabled on time | SW6/5 | Off |
| | slot 16 | | |
|---+---------------------------------+-------+--------------|
| | Passthrough enabled on time | SW6/5 | On |
| | slot 16 | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | SW6/6 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Data port loopback disabled | SW6/7 | Off |
|---+---------------------------------+-------+--------------|
| | Data port loopback enabled | SW6/7 | On |
|---+---------------------------------+-------+--------------|
| » | Front panel loopback enabled | SW6/8 | On |
|---+---------------------------------+-------+--------------|
| | Front panel loopback disabled | SW6/8 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK MODE |
|------------------------------------------------------------|
| Mode # | E1 |Data Port| Data Port |SW5/1|SW5/2|SW5/3|
| |Transmit | Receive | Transmit | | | |
|----------+---------+---------+-----------+-----+-----+-----|
|»|0 (DCE1)| Recover | Recover | Recover | Off | Off | Off |
|-+--------+---------+---------+-----------+-----+-----+-----|
| |1 (DCE2)|Internal |Internal | Internal | On | Off | Off |
|-+--------+---------+---------+-----------+-----+-----+-----|
| |2 (DTE1)|External | Recover | External | Off | On | Off |
|-+--------+---------+---------+-----------+-----+-----+-----|
| |3 (DTE2)|External |External | External | On | On | Off |
|-+--------+---------+---------+-----------+-----+-----+-----|
| |4 (DTE2)|External |External | External | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| E1 LINE IMPEDANCE |
|------------------------------------------------------------|
| Setting | SW7/1 | SW7/2 | SW7/3 | SW7/4 | SW7/5 |
|--------------------+-------+-------+-------+-------+-------|
| » | 75 Ohm | Off | Off | Off | Off | Off |
| | operation | | | | | |
|---+----------------+-------+-------+-------+-------+-------|
| | 120 Ohm | On | On | On | On | On |
| | operation | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------+----------+---------------------------------|
| PWR | Green | On | Power is on |
|------+--------+----------+---------------------------------|
| PWR | Green | Off | Power is off |
|------+--------+----------+---------------------------------|
| TD | Yellow | On | Data is being transmitted from |
| | | | the data port (CN4) |
|------+--------+----------+---------------------------------|
| TD | Yellow | Blinking | Space is being transmitted from |
| | | | the data port (CN4) |
|------+--------+----------+---------------------------------|
| TD | Yellow | Off | Data is not being transmitted |
| | | | from the data port (CN4) |
|------+--------+----------+---------------------------------|
| RD | Yellow | On | Data is being received at the |
| | | | data port (CN4) |
|------+--------+----------+---------------------------------|
| RD | Yellow | Blinking | Space is being received at the |
| | | | data port (CN4) |
|------+--------+----------+---------------------------------|
| RD | Yellow | Off | Data is not being recieved at |
| | | | the data port (CN4) |
|------+--------+----------+---------------------------------|
| RTS | Yellow | On | Sending device is enabled |
|------+--------+----------+---------------------------------|
| RTS | Yellow | Off | Sending device is disabled |
|------+--------+----------+---------------------------------|
| DCD | Yellow | On | Data carrier present |
|------+--------+----------+---------------------------------|
| DCD | Yellow | Off | Data carrier not present. |
| | | | Connection not established |
|------+--------+----------+---------------------------------|
| CKLS | Red | On | Transmit clock loss detected |
|------+--------+----------+---------------------------------|
| CKLS | Red | Off | Transmit clock loss not |
| | | | detected |
|------+--------+----------+---------------------------------|
| SGLS | Red | On | Receive signal loss detected |
|------+--------+----------+---------------------------------|
| SGLS | Red | Off | Receive signal loss not |
| | | | detected |
|------+--------+----------+---------------------------------|
| SCLS | Red | On | Loss of received frame |
| | | | syncronization detected |
|------+--------+----------+---------------------------------|
| SCLS | Red | Off | Loss of received frame |
| | | | syncronization not detected |
|------+--------+----------+---------------------------------|
| ALM | Red | On | Alarm condition detected on |
| | | | network |
|------+--------+----------+---------------------------------|
| ALM | Red | Off | Alarm condition not detected on |
| | | | network |
|------+--------+----------+---------------------------------|
| ER | Red | On | Bit errors detected in the 511 |
| | | | test pattern |
|------+--------+----------+---------------------------------|
| ER | Red | Off | Bits errors not detected in 511 |
| | | | test pattern |
|------+--------+----------+---------------------------------|
| TST | Red | On | Device is conducting a loopback |
| | | | or pattern test |
|------+--------+----------+---------------------------------|
| TST | Red | Off | Device is not conducting a |
| | | | loopback or pattern test |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| Timeslot switches are ignored in unframe mode. In framed |
| mode, clock rate is determined by the number of timeslots |
| enabled ( n ). In CAS mode, SW3/1 must be set to off |
| position or a loopback test will occur. Cascading units |
| must not be assigned identical or overlapping timeslots. |
+------------------------------------------------------------+