Chapter 3 External Interfaces; Overview - CPI S5CIA Installation And Operation Manual

E I
XTERNAL NTERFACES

3.1 Overview

The Indoor SSPA has external interfaces that allow it to connect to many optional external
devices. The interfaces located on at the rear of the unit are:
• CIF serial port RS-232
•
CIF serial port RS-422/485
•
Diagnostic Interface
• Discrete interface
• Ethernet interface
3.1.1 RS-232 Serial Port
The operator can use a PC with a RS-232 adapter at distances up to 3m. Table 3-1 can be used to
design a cable or a cable may be purchased to connect the Indoor SSPA directly to a computer.
The CIF protocol must be set to RS-232 using the front panel setup menu.
Note: TX and RX functionality is from the standpoint of the amplifier: TX is
an output and RX is an input.
Table 3-1. J7 CIF Serial Port RS-232 Pin-out
Pin Number
1
2
3
4
5
6
7
8
9
3-2
Function
Chassis GND
RS-232C Tx
RS-232C Rx or RS-422/485 Rx -
RS-422/485 Tx -
RS-232 or RS-422/485 GND
RS-422/485 Tx +
No Connect
No Connect
RS-422/485 Rx +
D .01040045 R .6
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