Satec System 295 Installation And Operation Manual page 166

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