PC Engines Null Modem Cable (DB9F-DB9F) - 1.8m - DB9CAB1

This null modem cable (RXD / TXD / handshake crossed over) is ideal for a console connection between APU / ALIX / WRAP boards and a regular PC. It can also be used with any MikroTik Routerboard which includes a 9-pin serial RS232 connector.

It features 2 x 9-pin female D connectors.

It is wired as follows:

1 DCD, 6 DSR - 4 DTR
2 RXD - 3 TXD
3 TXD - 2 RXD
4 DTR - 1 DCD, 6 DSR
5 GND - 5 GND
7 RTS - 8 CTS
8 CTS - 7 RTS
9 RI = no connect

If you require a straight through RS232 serial cable then use 1.8m Serial cable.