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Products » Console Serial Switches
Serial RJ45 Adapters
Connect DB25M, DB25F and DB9M serial ports to RJ45 connectors
Also known as: serial port adapters, serial port connectors, console adapters, RJ45 connectors, serial port pinouts, serial cable adapters.
RJ45 Serial Adapters
Female DB9 to Female RJ45 adapter
DB9F-RJ45F
- Connect your serial device with a male DB9 connector to a SERIMUX console switch using CAT5/5e/6 cable.
| From RJ45 | Signal | Direction | Signal | To DB9 |
|---|---|---|---|---|
| 1 | CTS |  |
RTS | 7 |
| 2 | DSR |  |
DTR | 4 |
| 5 | DCD | |||
| 3 | RxD | |
TxD | 3 |
| 4 | Gnd |  |
SG | 5 |
| 6 | TxD |  |
RxD | 2 |
| 8 | RTS | |
CTS | 8 |
| 7 | DTR |  |
DCD | 1 |
| DSR | 6 |
Female DB25 to Female RJ45 adapter
DB25F-RJ45F
- Connect your serial device with a male DB25 connector to a SERIMUX console switch using CAT5/5e/6 cable.
| From RJ45 | Signal | Direction | Signal | To DB25 |
|---|---|---|---|---|
| 1 | CTS | |
RTS | 4 |
| 2 | DSR | |
DTR | 20 |
| 5 | DCD | |||
| 3 | RxD | |
TxD | 2 |
| 4 | Gnd | |
SG | 7 |
| 6 | TxD | |
RxD | 3 |
| 8 | RTS | |
CTS | 5 |
| 7 | DTR | |
DSR | 6 |
| DCD | 8 |
Male DB25 to Female RJ45 adapter
DB25M-RJ45F-T
- Connect your serial device with a female DB25 connector to a SERIMUX console switch using CAT5/5e/6 cable.
| From RJ45 | Signal | Direction | Signal | To DB25 |
|---|---|---|---|---|
| 1 | CTS | |
RTS | 4 |
| 2 | DSR | |
DTR | 20 |
| 5 | DCD | |||
| 3 | RxD | |
TxD | 2 |
| 4 | Gnd | |
SG | 7 |
| 6 | TxD | |
RxD | 3 |
| 8 | RTS | |
CTS | 5 |
| 7 | DTR | |
DSR | 6 |
| DCD | 8 |
Male DB25 to Female RJ45 adapter, Modem
DB25M-RJ45F-C
- Connect your modem to a SERIMUX console switch using CAT5/5e/6 cable.
| From RJ45 | Signal | Direction | Signal | To DB25 |
|---|---|---|---|---|
| 1 | CTS | |
CTS | 5 |
| 2 | DSR | |
DSR | 6 |
| 3 | RxD | |
RxD | 3 |
| 4 | Gnd | |
Gnd | 7 |
| 5 | DCD | |
DCD | 8 |
| 6 | TxD | |
TxD | 2 |
| 7 | DTR | |
DTR | 20 |
| 8 | RTS | |
RTS | 4 |
Downloads & References
Serial RS232 crossover using a male RJ45 connector
RJ45MF-RS232-CO
- For connecting two like serial devices (DCE or DTE) directly; output of one to input of the other.
- Connect SUN/Cisco equipment to a SERIMUX console switch.
- Serial RS232 crossover using a male RJ45 connector on one end and a female RJ45 connector on the other (Male to Female)
- 8P8C
- Cable Length: 6"
| Male RJ45 | Signal | Direction | Signal | Female RJ45 |
|---|---|---|---|---|
| 1 | CTS | |
RTS | 8 |
| 2 | DSR | |
DTR | 7 |
| 3 | RxD | |
TxD | 6 |
| 4 | Gnd | |
Gnd | 4 |
| Open | DCD | 5 | ||
| 5 | DCD | |
CTS | 1 |
| 6 | TxD | |
RxD | 3 |
| 7 | DTR | Open | ||
| 8 | RTS | |
DSR | 2 |
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