Satec PM172EH series - Input and Output Ratings

Chapter 7 Communications
63
Modem Connections COM1 – RS232
Figure 7-6 Connection for
25-pin Modem
Connector
Figure 7-7 Connection for
9-pin Modem
Connector
Computer Connections COM1 - RS-422/RS-485
RS-422
TO SATEC
CONVERTER
TO PM172
COM1
+T
+R
-R
-T
8
1
6
2
7
3
9
4
5
(MALE)
DB9
+T
+R
-T
-R
RS-422 CABLE
5
4
3
2
1
Figure 7-8 COM1 RS-422/RS-485 Connections