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# PATTON ELECTRONICS COMPANY
2040MC-MT
Card Type V.35/RS-422 to HSSI Interface Converter
Chip Set Unidentified
I/O Options V.35/RS-422 DCE/DTE port, HSSI DCE/DTE port,
power
Maximum Data Rate 10Mbps
Data Bus External
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| V.35/RS-422 DCE/DTE | CN1 | HSSI DCE/DTE port | CN2 |
| port | | (50-pin connector) | |
| | | | |
| (34-pin male | | | |
| connector) | | | |
|---------------------+-------+----------------------+-------|
| Power | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SOURCE |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 |
|--------------------------------------------+-------+-------|
| » | Terminal timing supplied by HSSI ST | On | Off |
| | signal | | |
|---+----------------------------------------+-------+-------|
| | Terminal timing supplied by V.35 | Off | On |
| | (RS-422) DTE device | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYNCHRONIZATION METHOD |
|------------------------------------------------------------|
| Setting | SW1/3 | SW1/4 |
|-----------------------------------------+--------+---------|
| » | Data skips sync circuit | Off | On |
|---+-------------------------------------+--------+---------|
| | Data passes through sync circuit | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|-----+-------+--------+-------------------------------------|
| STS | Green | On | Both DTR and DSR signals are active |
|-----+-------+--------+-------------------------------------|
| STS | Green | Off | DTR and/or DSR signals are inactive |
|-----+-------+--------+-------------------------------------|
| TST | Red | On | Device is conducting a loopback |
| | | | test |
|-----+-------+--------+-------------------------------------|
| TST | Red | Off | Device is not conducting a loopback |
| | | | test |
+------------------------------------------------------------+