User manual

Publication AG-UM008C-EN-P - February 2005
Configuring Modems 8-15
Cable Pin Assignments
The Model 137-001 requires a 15-pin male connector with the pin
assignments shown below or these MARC cable assemblies:
• 127-056 (1785-KE to MARC 137-001)
• 127-067 (1785 PLC-5/xx to MARC 137-001)
Figure 8.9 MARC, Inc. Model 137-001
Table 8.12 MARC, Inc. Model 137-001 Pin Assignments
Switch Settings
For Bell 202 full-duplex operating mode, set the switches on Model
137-001 according to those in
Table 8.13. For Bell 202 half-duplex
mode (point-to-multipoint), set the switches on Model 166-101
according to those in
Table 8.14.
MARC
15-pin D female
port
RJ11 jack
5 Receive(-)
4 Transmit (-)
3 Transmit (+)
2 Receive (+)
To Allen-Bradley PLC-5/xx
or 1785-KE
Modem
15-pin female
Pin Name Pin Name PLC-5
25-pin female
1785-KE
15-pin female
1 DCD.OUT — DCD.IN 8 8
2 TXD.IN — TXD.OUT 2 2
3 RXD.OUT — RXD.IN 3 3
4 DTR.IN — DTR.OUT
20
(2)
(2) Pin 6 is jumpered (within the connector) to pin 20.
11
(3)
(3) Pin 6 is jumpered (within the connector) to pin 11.
5
(1)
(1) Pin 5 is jumpered (within the connector) to pin 9.
SIG.GND — SIG.GND 7
7
(4)
(4) Pin 7 is jumpered (within the connector) to pin 13.
7 RTS.IN — RTS.OUT 4 4
8 CTS.OUT — CTS.IN 5 5