Installation guide

VAR4 / VAR12 / VAR20 - Product Description
6.3.6.2 Fire Microphone on Input 2
L
The LEDs must have suitable series resistors fitted; these are fitted as standard within the ASL
FMS range of product.
Figure 23 Fire Microphone Connections to Input 2
CONTROL PORT-1 ON BASE UNIT
PIN 25: ALL-CALL-ONLY-2
PIN 12: SPEAK-NOW-2
PIN 7: ALL-CALL-2
ALL-CALL-ONLY LED
(NORMALLY FITTED
ON ZONEABLE
FIREMIC ONLY)
SPEAK NOW LED
PRESS-TO-TALK
PIN 6: 0 V
ROUTER
FIRE MIC
AUDIO
DATA
INPUT-2
PIN1 AUDIO -
PIN2 AUDIO +
PIN9 DATA+
PIN5 DATA-
ALL-CALL-ONLY-LED
SPEAK-NOW-LED
PTT
0V
AUDIO -
DATA +
AUDIO +
DATA -
+ SUPPLY
0V SUPPLY
FROM V400 AUX
OUTPUT
FIRE MIC CONNECTIONS: INPUT 2
6k8
470
Issue: 03 complete, approved
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