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Remote interface cards (RICs) in the transponder cabinets allow for data, power, and
audio interconnections between the 4100 host panel and remote locations. They support
RUI connections in Style 4 and Style 7 wiring configurations.
TB2
LED1
TBL
+COMM
PRIM
+COMM
PRIM
-COMM
-COMM
+COMM
+COMM
24C
24C
PIEZO
CTRL
LED
CTRL
PTT+
PTT-
SHLD
GRN
MIC
WHT
Figure 3-3. The RIC II Card
MINIPLEX System Components (Non-4100U), Continued
The Remote
Interface Card (RIC)
COMMS TROUBLE LED
(LED 1):
Lights if there is a line short
on either primary or
secondary lines, or if both
comms inputs are absent.
POWER/COMM
TERMINAL BLOCK (TB1)
HEADER CONNECTOR
(J1)
SEC
+24 V
+24 V
8
1
PIEZO/MICROPHONE
TERMINAL BLOCK (TB2)
REMOTE MICROPHONE
CONNECTOR (P1)