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# PATTON ELECTRONICS COMPANY
2711
Card Type T1 CSU/DSU
Chip Set Unidentified
I/O Options 25-pin serial port (RS-232), power,
network interface via RJ-48
T1 Transfer Rate 1.544Mbps
T1 Protocol AMI, B8ZS
Frame type D4, ESF
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------------+--------+-----------------+-------|
| DTE/DCE serial port | CN1 | Power connector | CN3 |
| (25-pin connector) | | | |
|-------------------------+--------+-----------------+-------|
| Network interface via | CN2 | | |
| RJ-48 connector | | | |
|------------------------------------------------------------|
| Note: 2711 also available with a 34-pin male connector for |
| V.35 interface |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------------+-------+----------|
| » | ESF/B8ZS framing and coding enabled | SW1/4 | Off |
|---+-------------------------------------+-------+----------|
| | D4/AMI framing and coding enabled | SW1/4 | On |
|---+-------------------------------------+-------+----------|
| » | 64Kbps DSO rate | SW1/5 | On |
|---+-------------------------------------+-------+----------|
| | 56Kbps DSO rate | SW1/5 | Off |
|---+-------------------------------------+-------+----------|
| » | Transmit clock derived from receive | SW1/6 | Off |
| | line signal | | |
|---+-------------------------------------+-------+----------|
| | Transmit clock generated internally | SW1/6 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA RATE |
|------------------------------------------------------------|
| n x56 | n x64 | SW1/1 | SW1/2 | SW1/3 |
|------------------------+-----------+-------+-------+-------|
| | Clear channel | Off | Off | Off | |
| | (unstructured) | | | | |
|---+--------------------+-----------+-------+-------+-------|
| | 112Kbps | 128Kbps | On | Off | Off |
|---+--------------------+-----------+-------+-------+-------|
| | 224Kbps | 256Kbps | Off | On | Off |
|---+--------------------+-----------+-------+-------+-------|
| | 336Kbps | 384Kbps | On | On | Off |
|---+--------------------+-----------+-------+-------+-------|
| | 448Kbps | 512Kbps | Off | Off | On |
|---+--------------------+-----------+-------+-------+-------|
| | 672Kbps | 768Kbps | On | Off | On |
|---+--------------------+-----------+-------+-------+-------|
| | 896Kbps | 1.024Mbps | Off | On | On |
|---+--------------------+-----------+-------+-------+-------|
| » | 1.344Mbps | 1.536Mbps | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE BUILD |
|------------------------------------------------------------|
| Net build | SW1/7 | SW1/8 |
|------------------------+-----------------+-----------------|
| » | 0dB | Off | Off |
|---+--------------------+-----------------+-----------------|
| | -7.5dB | On | Off |
|---+--------------------+-----------------+-----------------|
| | -15dB | Off | On |
|---+--------------------+-----------------+-----------------|
| | -22.5dB | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+--------+--------+------------------------------------|
| TXD | Green | On | DTE is transmitting data to |
| | | | CSU/DSU |
|-----+--------+--------+------------------------------------|
| TXD | Green | Off | DTE is not transmitting data to |
| | | | CSU/DSU |
|-----+--------+--------+------------------------------------|
| RXD | Green | On | DTE is receiving data from CSU/DSU |
|-----+--------+--------+------------------------------------|
| RXD | Green | Off | DTE is not receiving data from |
| | | | CSU/DSU |
|-----+--------+--------+------------------------------------|
| LOS | Red | On | Loss of signal or loss of frame |
| | | | condition detected on network |
|-----+--------+--------+------------------------------------|
| LOS | Red | Off | Loss of signal or loss of frame |
| | | | condition not detected on network |
|-----+--------+--------+------------------------------------|
| ALM | Red | On | Alarm condition detected on |
| | | | network |
|-----+--------+--------+------------------------------------|
| ALM | Red | Off | Alarm condition not detected on |
| | | | network |
|-----+--------+--------+------------------------------------|
| ERR | Red | On | Error second (ES) detected on |
| | | | received configuration information |
|-----+--------+--------+------------------------------------|
| ERR | Red | Off | Error second (ES) not detected on |
| | | | received configuration information |
|-----+--------+--------+------------------------------------|
| TST | Yellow | On | Device is conducting a loopback |
| | | | test |
|-----+--------+--------+------------------------------------|
| TST | Yellow | Off | Device is not conducting a |
| | | | loopback test |
|-----+--------+--------+------------------------------------|
| PWR | Green | On | Power is on |
|-----+--------+--------+------------------------------------|
| PWR | Green | Off | Power is off |
+------------------------------------------------------------+