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

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.

Signal Flow Diagram
From RJ-45 Signal Direction Signal To DB-9
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

NTI Part # Price Quote Buy
DB9F-RJ45F $5.00

Female DB25 to Female RJ45 adapter

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.

Signal Flow Diagram
From RJ-45 Signal Direction Signal To DB-25
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

NTI Part # Price Quote Buy
DB25F-RJ45F $5.00

Male DB25 to Female RJ45 adapter

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.

Signal Flow Diagram
From RJ-45 Signal Direction Signal To DB-25
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

NTI Part # Price Quote Buy
DB25M-RJ45F-T $5.00

Male DB25 to Female RJ45 adapter, Modem

Male DB25 to Female RJ45 adapter
DB25M-RJ45F-C
  • Connect your modem to a SERIMUX console switch using CAT5/5e/6 cable.

Signal Flow Diagram
From RJ-45 Signal Direction Signal To DB-25
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

NTI Part # Price Quote Buy
DB25M-RJ45F-C $5.00

Serial RS232 crossover using a male RJ45 connector

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"

Signal Flow Diagram
Male RJ-45 Signal Direction Signal Female DB-25
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

NTI Part # Price Quote Buy
RJ45MF-RS232-CO $6.00

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