Installation guide

VAR4 / VAR12 / VAR20 - Product Description
6.3 Control Ports
6.3.1 Control Port 1 (Base VAR4 Unit)
In addition to the analogue contacts, base VAR4 unit Control Port 1 accommodates the Fire Microphone
interface, Fault Relay outputs, and Remote Fault outputs on a 25-way female D connector.
Section “6.3.6.1 Fire Microphone Wiring Examples” shows examples of connections to this port for
interfacing the Fire Microphones.
Section “6.3.6.2 Fault Relay Output Wiring Examples” shows the connections to the Fault Relay outputs on
this port.
Figure 16 Base VAR4 Unit Control Port 1
ALL-CALL-ONLY
LED -2
FEMALE
10
9
8 7 613 12 11
18 17 16 15 1423
22
21 20 1925 24
5 4 3 2 1
CONTACT-1
CONTACT-2
CONTACT-4
CONTACT-6
CONTACT-8
CONTACT-3
CONTACT-5
CONTACT-7
CONTACT-10
CONTACT-9
0V
MONITORED
FAULT RELAY
COM
N/0 N/C
FAULT
RELAY
ALL-CALL
ONLY LED-1
SPEAK-NOW LED-2 SPEAK-NOW LED-1
REMOTE
FAULT-1
REMOTE
FAULT-2
ALL-CALL-1
(FIRE MIC-1 PTT)
ALL-CALL-2
(FIRE MIC-2 PTT)
AUX POWER
Issue: 03 complete, approved
Page 49 of 68