Fire Or Paging Microphone Connection To Var4/Var12/Var20 Input 1 - ASL INTERCOM SMC02G Product Manual

4.2.1

Fire or Paging Microphone Connection to VAR4/VAR12/VAR20 Input 1

The following diagram shows the connection of the SMC02 to the VAR4/VAR12/VAR20's Mic/Line input 1 as
Zoned Fire Microphone or Paging Microphone, the latter being the only option for the 'S' variants.
Figure 5 SMC02 Connection to VAR4/VAR12/VAR20 Input 1
SMC02
POWER SUPPLY
ALL-CALL-ONLY LED
SPEAK NOW LED
FAULT LED
PRESS-TO-TALK
AUDIO
DATA
LISTEN-IN
(a) Fire Microphone connections: only on standard SMC02 units.
(b) Remote Fault Output to be programmed as 'Remote Fault Active Indicator' at the
SMC02G/SMC02F/Variants - Product Manual
ZONED FIRE MICROPHONE / PAGING MICROPHONE
CONNECTIONS TO VAR4 / VAR12 / VAR20 INPUT 1
+ SUPPLY
0V SUPPLY
ALL CALL ONLY LED
SPEAK NOW LED
FAULT LED
470
PTT+
PTT-
AUDIO OUT -
AUDIO OUT+
DXN
DXP
AUDIO IN -
AUDIO IN+
Router.
For EMC compliance:
! !
1. Cable tails to be < 3 cm.
2. Screen of all cables to be connected to earthing terminals installed on the rack.
Issue: 02 complete, approved
FROM V400 AUX
OUTPUT
(a)
(a)
(a)
(a)
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VAR4 / VAR12 / VAR20
CONTROL PORT-1
ON BASE UNIT
PIN 11: ALL-CALL-ONLY-1
PIN 23: SPEAK-NOW-1
(b)
PIN 24: REMOTE FAULT-2
PIN 8: ALL-CALL-1
PIN 6: 0 V
INPUT-1
PIN1: AUDIO -
PIN2: AUDIO +
PIN5: DATA-
PIN9: DATA+
A OUTPUTS 1-4
ON BASE BOARD
PIN15: AUX OUT -
PIN17: AUX OUT +