Reference Guide

Table Of Contents
A-2
PDT 6800 Series Product Reference Guide
Null Modem Pin-outs for Half-Duplex
Use the pin-outs shown in Figure A-2 for testing.
Figure A-2. Null Modem Pin-Outs - Half Duplex
PGND
TD
RD
RTS
CTS
DSR
SG
DCD
DTR
PGND
RD
TD
DCD
DTR
SG
RTS
DSR
1
2
3
4
5
6
7
8
20
1
3
2
8
20
7
4
5
CTS
6