Okidata OL 810e Laser printer
Okidata to DCB mux cable
Okidata DE9S
Direction
SR RJ45
SPL DB25P
Signal
1
<===
2
8
DCD
2
<===
5
3
RxD
3
===>
6
2
TxD
4
===>
3
11
Busy
5
====
4
7
SGND
6
<===
1
6
DSR
7
===>
8
4
RTS
8
<===
7
5
CTS