
Communication solutions for power utilities
1U SHELF TYPE MAS-2
WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP - Rev. 9 (January 2018)
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Figure 17 Use of the line connection terminals
Figure 18 RS-232C connector
RS-232C
connector
J2 connector
MAFP
Use
DTE/DCE
2
22c
TD - Transmitted data
3
22a
RD - Received data
4
30c
RTS - Request to send
5
30a
CTS - Clear to send
8
24a
CD - Data carrier detect
6
24c
DSR - Modem ready
7
8c
Signal ground (common return)
-
1
32ac
Protective ground
-
Table 1 Assignation of RS-232C connector pins