TROUBLESHOOTING
I-E96-225A
5 - 3
CTT Port
The IMCPM03 module supports the signals required for the
CTT terminal through the round, five-pin male connector (P5)
mounted on the faceplate (refer to Table
DB-25 Computer Port
The IMCPM03 module supports the signals required for the
console or station (serial channel A) through the DB-25 com-
puter port female connector (P4) mounted on the faceplate
(refer to Table
). Jumper J5 configures DCE (data communi-
cations ) or DTE (data terminal ) operation.
Table 5-3. Termination Unit Signals, P3 Edge Connector
Pin
Signal
Pin
Signal
1
(NC)
16
(NC)
2
(NC)
17
(NC)
3
(NC)
18
(NC)
4
(NC)
19
(NC)
5
(NC)
20
(NC)
6
(NC)
21
(NC)
7
Serial RXD A-
22
Serial RXD A+
8
Serial RXD B-
23
Serial RXD B+
9
Serial CTS A-
24
Serial CTS A+
10
Serial CTS B-
25
Serial CTS B+
11
Serial TXD A-
26
Serial TXD A+
12
Serial TXD B-
27
Serial TXD B+
13
Serial RTS A-
28
Serial RTS A+
14
Serial RTS B-
29
Serial RTS B+
15
(NC)
30
(NC)
NOTE: Serial Channel A is the DB-25 computer port. Serial Channel B is the DB-9 EWS port. (NC)
means no connection for IMCPM03 module.
Table 5-4. CTT Port Signals,
P5 Connector
Pin
Signal
1
+5 VDC
2
Common
3
Common
4
Power fail interrupt
5
Module bus
