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Adapter Diagrams:
The following information lists the various cables and adapters that can be used connect serial devices to Serial Console Server products.
| Type | Pin | ||
| DB-25 to DB-25, straight-thru | DB-25 M / F ------ 2 TxD 3 RxD 7 Gnd 20 DTR 6 DSR 8 DCD 4 RTS 5 CTS |
------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------ |
DB-25 M / F ------ TxD 2 RxD 3 Gnd 7 DTR 20 DSR 6 DCD 8 RTS 4 CTS 5 |
| DB-25 to DB-25, crossover | DB-25 M / F ------ 2 TxD 3 RxD 7 Gnd 20 DTR 6 DSR 8 DCD 4 RTS 5 CTS |
------------ ------------ ------------ --------|--- |--- ---|-------- ---| ------------ ------------ |
DB-25 M / F ------ RxD 3 TxD 2 Gnd 7 DSR 6 DSR 8 DTR 20 CTS 5 RTS4 |
| DB-25 to DB-9, straight-thru | DB-25 M / F ------ 2 TxD 3 RxD 7 Gnd 20 DTR 6 DSR 8 DCD 4 RTS 5 CTS |
------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------ |
DB-9 M / F ------ Txd 3 RxD 2 Gnd 5 DTR 4 DSR 6 DCD 1 RTS 7 CTS 8 |
| DB-25 to DB-9, crossover | DB-25 M / F ------ 2 TxD 3 RxD 7 Gnd 20 DTR 6 DSR 8 DCD 4 RTS 5 CTS |
------------ ------------ ------------ --------|--- |--- ---|-------- ---| ------------ ------------ |
DB-9 M / F ------ RxD 2 TxD 3 Gnd 5 DCD 1 DSR 6 DTR 4 CTS 8 RTS 7 |
| DB-9 to DB-9, crossover | DB-9 M / F ------ 1 6 2 3 4 5 7 8 |
|
DB-9 M / F ------ 4 (1 and 6 connected to 4) 3 (2 connected to 3) 2 (3 connected to 2) 1 (4 connected to 1 and 6) 6 5 (5 connected to 5) 8 (7 connected to 8) 7 (8 connected to 7) |
| RJ-45 (ATEN / ALTUSEN) to DB-25, straight-thru SA0144 (M) / SA0148 (F) |
RJ-45 ALTUSEN ------ 1 RTS 2 DTR 3 TxD 4 CTS 5 Gnd 6 RxD 7 DCD 8 DSR |
----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- |
DB-25 M / F ------ 4 20 2 5 7 3 8 6 |
| RJ-45 (ATEN / ALTUSEN) to DB-25, crossover SA0143 (F) / SA0147 (M) |
RJ-45 ALTUSEN ------ 1 RTS 2 DTR 3 TxD 4 CTS 5 Gnd 6 RxD 7 DCD 8 DSR |
------------ ------------ ------------ ------------ ------------ ------------ ----|-------- ----| |
DB-25 M / F ------ 5 6+8 3 4 7 2 20 |
| RJ-45 (ATEN / ALTUSEN) to DB-9, straight-thru SA0142 (M) / SA0146 (F) |
RJ-45 ALTUSEN ------ 1 RTS 2 DTR 3 TxD 4 CTS 5 Gnd 6 RxD 7 DCD 8 DSR |
------------ ------------ ------------ ------------ ------------ ------------ ------------ ------------ |
DB-9 M / F ------ 7 4 3 8 5 2 1 6 |
| RJ-45 (ATEN / ALTUSEN) to DB-9, crossover SA0141 (F) / SA0145 (M) |
RJ-45 ALTUSEN ------ 1 RTS 2 DTR 3 TxD 4 CTS 5 Gnd 6 RxD 7 DCD 8 DSR |
------------ ----|-------- |------- ------------ ------------ ------------ ------------ ----|-------- ----| |
DB-9 M / F ------ CTS 8 DSR 6 DCD 1 RxD 2 RTS 7 Gnd 5 TxD 3 DTR 4 |
| RJ-45 (ATEN / ALTUSEN) to RJ-45 (Sun/Cisco), crossover | RJ-45 ALTUSEN ------ 1 RTS 2 DTR 3 TxD 4 CTS 5 Gnd 6 RxD 7 DCD 8 DSR |
------------ ------------ ------------ ------------ -------|---- |---- ------------ -----| ------|------ |
RJ-45 Sun/Cisco ------ CTS 8 DSR 7 RxD 6 RTS 1 Gnd 5 Gnd 4 TxD 3 DTR 2 |