Dock
Signal Name
TXD (Transmit Data)
DTR (Data Terminal Ready)
RTS (Ready to Send)
RXD (Receive Data)
CTS (Clear to Send)
DSR (Data Set Ready)
SG (Signal Ground)
13
1
25-Pin D-sub Male
25-Pin to 15-Pin Cable (P/N 226-162-XXX)
25-Pin to 15-Pin Cable (P/N 226-162-xxx)
6820 Series 80-Column Printer User's Manual
Chapter 5 — Troubleshooting and Maintaining the 6820
Pin #
2
20
4
3
5
6
7
shield
open
25
14
Printer w/6210 Terminal Holder
Pin #
Signal Name
4
TXD
2
DTR
3
RTS
5
RXD
6
CTS
7
DSR
9
SG
shell
8
1
15-Pin D-sub Female
15
9
101