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A-2
CMX 240 Series Installation Guide
Table A-1 shows the pinouts for the RS-232 port on the Infinity CMX
240 controller.
Figure A-1 shows the required and optional pinouts for cables
connecting a terminal to the controller, a modem to the controller, and
a modem to the terminal.
a. "To" and "From" are in relation to the Infinity CMX 240 controller.
"Modem" means it is required for the modem.
Table A-1. Pinouts for RS-232 Comm Porta
with Male DB25 Connector to Terminal
Pin Number
Purpose
Direction
Required
1
Chassis
---
NO
2
TD
From
YES
3
RD
To
YES
4
RTS
From
MODEM
5
CTS
To
MODEM
6
DSR
To
MODEM
7
GND
---
YES
8
DCD (CXD)
To
MODEM
9
+V
From
NO
10
-V
From
NO
20
DTR
From
MODEM
22
RI
To
NO
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Содержание CMX 240 Series
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