Satec System 295 Installation And Operation Manual page 164

Powermeters
9-pin DB9 male connectors
#1
TxD
RxD
TxD-
RxD-
#2
TxD
RxD
TxD-
RxD-
#32
TxD
RxD
TxD-
RxD-
156 ATechnical Specificationsppendix D Cable Drawings - Computer Connection
9-pin Computer Connector
Shield
6
7
8
9
Shield
6
7
8
9
Shield
6
7
Ω
120
8
9
IBM PC/compatible
A 9-pin DB9 female connector
RxD
8
Ω
120
TxD
4
RxD-
9
TxD-
5
RTS
2
CTS
7
RTS-
3
CTS-
6