Section 19.
I/O MODULES
Figure 19-1. Panel views of the 7 types of I/O modules used in the RFL 9785
19.1
INTRODUCTION
The RFL 9785 I/O modules serve as an interface for input and output signals between the RFL 9785
and the line coupling equipment. There are seven types of I/O modules that can be used with the RFL
9785. These are shown in Figure 19-1.
NOTE
Chassis power must be turned OFF before removing or installing any RFL 9785 I/O modules.
SS Input I/O
SS Input/Output I/O
Alarm Relay I/O
RF Line I/O
SS INPUT
Current Limit I/O
External Power Amp I/O
Skewed Hybrid I/O
RELAY ALARM
1 1
2 2
3 3
4 4
5 5
6 6
9785 RF LINE I/O
1
2
3
4
5
6
7
8
1
2
3
J5
TX
J7
RX
CURRENT
LIMIT
SS INPUT/OUTPUT
CKBK
AUX.
CHASSIS
+
-
EXT POWER AMP
EXT MTR
AMP FAIL
+
-
+
-
TX
RX
106685-2 SKEWED HYBRID I/O
FINE ADJUST
COARSE ADJUST
J5
RX
RFL 9785
RFL Electronics Inc.
September 1, 2006
19-1
(973) 334-3100