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# PARADYNE CORPORATION
COMSPHERE DSU 3510
Card Type T1 DSU
Chip Set Unidentified
I/O Options Serial port, network interface via RJ-48,
power connector, DTE ports (2)
Wiring Type T1 via RJ-48 connector
Maximum Data Rate 56Kbps (64Kbps clear channel)
Data Modulation DDS
Protocol
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| Power connector | CN1 | DTE port (V.35 | CN3 |
| | | connector) | |
|-----------------------+-------+--------------------+-------|
| Network interface via | CN2 | DTE port (25-pin | CN4 |
| RJ-48 connector | | serial connector) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|-----------------------------------------+-------+----------|
| » | Circuit assurance function disabled | S1/3 | On |
|---+-------------------------------------+-------+----------|
| | Circuit assurance function enabled | S1/3 | Off |
|---+-------------------------------------+-------+----------|
| » | DSR lead normal during testing | S1/4 | Off |
|---+-------------------------------------+-------+----------|
| | DSR lead off during testing | S1/4 | On |
|---+-------------------------------------+-------+----------|
| » | Elastic store function disabled | S1/5 | On |
|---+-------------------------------------+-------+----------|
| | Elastic store function enabled | S1/5 | Off |
|---+-------------------------------------+-------+----------|
| » | Remote digital loopback functions | S1/6 | Off |
| | enabled | | |
|---+-------------------------------------+-------+----------|
| | Remote digital loopback function | S1/6 | On |
| | disabled | | |
|---+-------------------------------------+-------+----------|
| » | Streaming terminal function | S2/5 | On |
| | disabled | | |
|---+-------------------------------------+-------+----------|
| | Streaming terminal function enabled | S2/5 | Off |
|---+-------------------------------------+-------+----------|
| » | System status disabled | S2/6 | On |
|---+-------------------------------------+-------+----------|
| | System status enabled | S2/6 | Off |
|---+-------------------------------------+-------+----------|
| » | Faceplate switches enabled | S3/1 | On |
|---+-------------------------------------+-------+----------|
| | Faceplate switches disabled | S3/1 | Off |
|---+-------------------------------------+-------+----------|
| » | Switched control of RTS lead | S3/2 | On |
| | enabled | | |
|---+-------------------------------------+-------+----------|
| | Continuous control of RTS lead | S3/2 | Off |
| | enabled | | |
|---+-------------------------------------+-------+----------|
| » | LL testing through 25-pin serial | S3/3 | Off |
| | connector disabled | | |
|---+-------------------------------------+-------+----------|
| | LL testing through 25-pin serial | S3/3 | On |
| | connector enabled | | |
|---+-------------------------------------+-------+----------|
| » | LL testing through V.35 DTE | S3/4 | Off |
| | connector disabled | | |
|---+-------------------------------------+-------+----------|
| | LL testing through V.35 DTE | S3/4 | On |
| | connector enabled | | |
|---+-------------------------------------+-------+----------|
| » | 64.0Kbps CC scrambler function | S3/5 | On |
| | disabled | | |
|---+-------------------------------------+-------+----------|
| | 64.0Kbps CC scrambler function | S3/5 | Off |
| | enabled | | |
|---+-------------------------------------+-------+----------|
| » | 25-pin serial port enabled | S3/6 | Off |
|---+-------------------------------------+-------+----------|
| | V.35 DTE port enabled | S3/6 | On |
|---+-------------------------------------+-------+----------|
| » | Separate signal and frame grounds | S5/1 | Off |
|---+-------------------------------------+-------+----------|
| | Connects signal ground to frame | S5/1 | On |
| | ground | | |
|---+-------------------------------------+-------+----------|
| » | Test mode indication disabled | S5/2 | Off |
|---+-------------------------------------+-------+----------|
| | Test mode indication enabled on pin | S5/2 | On |
| | 25 of 25-pin serial port | | |
|---+-------------------------------------+-------+----------|
| » | Test mode indication disabled | S5/3 | Off |
|---+-------------------------------------+-------+----------|
| | Test mode indication enabled on pin | S5/3 | On |
| | NN of V.35 DTE port | | |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | S5/4 | Off |
|---+-------------------------------------+-------+----------|
| » | DSR forced high disabled | S5/5 | Off |
|---+-------------------------------------+-------+----------|
| | DSR forced high enabled | S5/5 | On |
|---+-------------------------------------+-------+----------|
| » | Diagnostic message clamping | S5/6 | On |
| | disabled | | |
|---+-------------------------------------+-------+----------|
| | Diagnostic message clamping enabled | S5/6 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA RATE SELECTION |
|------------------------------------------------------------|
| Setting | S2/1 | S2/2 | S2/3 | S2/4 |
|---------------------------+--------+-------+-------+-------|
| | 2.4Kbps (+6dBm) | Off | On | On | On |
|---+-----------------------+--------+-------+-------+-------|
| | 4.8Kbps (+6dBm) | Off | On | Off | On |
|---+-----------------------+--------+-------+-------+-------|
| » | 9.6Kbps (0dBm) | Off | On | On | Off |
|---+-----------------------+--------+-------+-------+-------|
| | 19.2 (-10dBm) | On | On | On | On |
|---+-----------------------+--------+-------+-------+-------|
| | 19.2 (0dBm) | On | Off | On | On |
|---+-----------------------+--------+-------+-------+-------|
| | 19.2 (+6dBm) | Off | On | Off | Off |
|---+-----------------------+--------+-------+-------+-------|
| | 38.4Kbps (+6dBm) | On | On | Off | On |
|---+-----------------------+--------+-------+-------+-------|
| | 56.0Kbps (+6dBm) | On | On | Off | Off |
|---+-----------------------+--------+-------+-------+-------|
| | 64.0Kbps (+6dBm) | On | Off | On | Off |
|---+-----------------------+--------+-------+-------+-------|
| | 64.0Kbps (+6dBm) LADS | On | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIMING SOURCE SELECTION |
|------------------------------------------------------------|
| Setting | S1/1 | S1/2 |
|------------------------+-----------------+-----------------|
| » | Digital network | On | On |
|---+--------------------+-----------------+-----------------|
| | LADS slave | On | Off |
|---+--------------------+-----------------+-----------------|
| | LADS internal | Off | On |
|---+--------------------+-----------------+-----------------|
| | LADS external | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NETWORK ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | S4/1 | S4/2 | S4/3 | S4/4 | S4/5 | S4/6 |
|------------+-------+-------+-------+-------+-------+-------|
| | 1 | On | On | On | On | On | Off |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 2 | On | On | On | On | Off | On |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 3 | On | On | On | On | Off | Off |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 4 | On | On | On | Off | On | On |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 5 | On | On | On | Off | On | Off |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 59 | Off | Off | Off | On | Off | Off |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 60 | Off | Off | Off | Off | On | On |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 61 | Off | Off | Off | Off | On | Off |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 62 | Off | Off | Off | Off | Off | On |
|-----+------+-------+-------+-------+-------+-------+-------|
| | 63 | Off | Off | Off | Off | Off | Off |
|-----+------+-------+-------+-------+-------+-------+-------|
| » | 64 | On | On | On | On | On | On |
|------------------------------------------------------------|
| Note: |
| |
| A total of 64 address settings are available. The switches |
| are a binary representation of the decimal memory |
| addresses. S4/1 is the Most Significant Bit and switch |
| S4/6 is the Least Significant Bit. Default setting 64 is |
| out of sequence. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-------+----------+----------+------------------------------|
| OK | Green | On | DSU is on |
|-------+----------+----------+------------------------------|
| OK | Green | Off | DSU is off or detecting a |
| | | | system failure |
|-------+----------+----------+------------------------------|
| OS/NS | Red | Blinking | Out-of-service or out-of |
| | | slow | -frame messages received |
| | | | from network |
|-------+----------+----------+------------------------------|
| OS/NS | Red | Blinking | DSU not receiving signals |
| | | fast | from network |
|-------+----------+----------+------------------------------|
| TST | Yellow | On | DSU is executing a test |
|-------+----------+----------+------------------------------|
| TST | Yellow | Off | DSU is not executing a test |
|-------+----------+----------+------------------------------|
| TST | Yellow | Blinking | DSU is setting up or taking |
| | | | down a test |
|-------+----------+----------+------------------------------|
| REM | Yellow | On | Remote DSU or digital |
| | | | network test request |
| | | | received |
|-------+----------+----------+------------------------------|
| REM | Yellow | Off | Remote DSU or digital |
| | | | network test request not |
| | | | received |
|-------+----------+----------+------------------------------|
| PASS | Green | On | Device test completed |
| | | | without failure |
|-------+----------+----------+------------------------------|
| PASS | Green | Off | Device test not completed |
|-------+----------+----------+------------------------------|
| F/S/D | Red | On | Device test unsuccessful or |
| | | | DSU has been disabled |
|-------+----------+----------+------------------------------|
| F/S/D | Red | Blinking | Streaming terminal alarm |
| | | | condition exists |
|-------+----------+----------+------------------------------|
| F/S/D | Red | Off | Failure not detected |
|-------+----------+----------+------------------------------|
| TP | Yellow | On | Test pattern circuit is |
| | | | active. Press the TP |
| | | | pushbutton switch to |
| | | | generate a local test |
| | | | pattern |
|-------+----------+----------+------------------------------|
| TP | Yellow | Off | Test pattern circuit is not |
| | | | active. |
|-------+----------+----------+------------------------------|
| LL | Yellow | On | DSU is in local loopback. |
| | | | Press the LL pushbutton |
| | | | switch to initiate a local |
| | | | loopback test |
|-------+----------+----------+------------------------------|
| LL | Yellow | Off | DSU is not in local loopback |
|-------+----------+----------+------------------------------|
| DL | Yellow | On | DSU is performing a digital |
| | | | loopback or channel |
| | | | loopback. Press the DL |
| | | | pushbutton switch to |
| | | | initiate digital loopback |
| | | | test. |
|-------+----------+----------+------------------------------|
| DL | Yellow | Off | DSU is not performing a |
| | | | digital loopback test |
|-------+----------+----------+------------------------------|
| RL | Yellow | On | Remote digital loopback has |
| | | | been requested of the remote |
| | | | DSU. Press the RL pushbutton |
| | | | switch to request a digital |
| | | | loopback test at the remote |
| | | | end. |
|-------+----------+----------+------------------------------|
| RL | Yellow | Off | Remote digital loopback has |
| | | | not been requested of the |
| | | | remote DSU. |
|-------+----------+----------+------------------------------|
| TXD | Green | On | Receiving all zeros from the |
| | | | DTE |
|-------+----------+----------+------------------------------|
| TXD | Green | Off | Receiving all ones from the |
| | | | DTE |
|-------+----------+----------+------------------------------|
| TXD | Green | Blinking | Data is being transferred |
|-------+----------+----------+------------------------------|
| RXD | Green | On | Transmitting all zeros from |
| | | | the DTE |
|-------+----------+----------+------------------------------|
| RXD | Green | Off | Transmitting all ones from |
| | | | the DTE |
|-------+----------+----------+------------------------------|
| RXD | Green | Blinking | Data is being transferred |
|-------+----------+----------+------------------------------|
| RTS | Green | On | RTS signal is high |
|-------+----------+----------+------------------------------|
| RTS | Green | Off | RTS signal is low |
|-------+----------+----------+------------------------------|
| CTS | Green | On | CTS signal is high |
|-------+----------+----------+------------------------------|
| CTS | Green | Off | CTS signal is low |
|-------+----------+----------+------------------------------|
| DSR | Green | On | DSR signal is high |
|-------+----------+----------+------------------------------|
| DSR | Green | Off | DSR signal is low |
|-------+----------+----------+------------------------------|
| LSD | Green | On | LSD signal is high |
|-------+----------+----------+------------------------------|
| LSD | Green | Off | LSD signal is low |
|-------+----------+----------+------------------------------|
| 9.6 | Green | Blinking | Data rate at 2.4Kbps or |
| | | | 4.8Kbps |
|-------+----------+----------+------------------------------|
| 9.6 | Green | On | Data rate at 9.6Kbps |
|-------+----------+----------+------------------------------|
| 56/64 | Green | Blinking | Data rate at 19.2Kbps or |
| | | | 38.4Kbps |
|-------+----------+----------+------------------------------|
| 56/64 | Green | On | Data rate at 56.0Kbps or |
| | | | 64.0Kbps |
+------------------------------------------------------------+