User guide

14 Distributed Audio Panel Manual — P/N 52265:B1 6/8/2010
Product Description Product Features
TB1
+ -
+ -
Form-C
AC Loss Relay
nonsupervised
Input Trigger-
supervised
(activation by
reverse polarity-
active polarity
shown)
use ELR specified
for triggering
source
Specific
Application
Power
35 mA
nonsupervised
power-limited
CMD1 & CMD 2 Input
Trigger by contact
closure or NAC
reverse polarity -
alarm polarity shown
Form-C Trouble Relay
(nonsupervised)
HOT
NEUTRAL
EARTH
Connector for
Transformer
ac25damnt1a.wmf
AC Power Only (supervised,
nonpower-limited)
Refer to AC Power in Section
“Specifications” on page 17
CMD3, CMD4 & CMD5 Input
Trigger by contact closure
alarm polarity shown (inputs only)
S3 Charger
Enable/Disable Switch
(shown in charger
enabled position)
All CMD inputs and Trouble Contact Closure are supervised
and power-limited and require a 4.7K ELR, P/N: 27072
OUT IN OUT IN
nonsupervised
OUT IN
shield
shield
FC-MIM
Battery
(supervised,
nonpower-limited)
for monitoring
trouble contacts of
an external device
such as charger or
power supply
1 2 1 2 1 2
1 2
Figure 1.1 Distributed Audio Main Board
IC Label
Version
Message Generator Module
FC-MGM Connector
Remote
Microphone
TRBL INPUT
CONTACT
CLOSURE
AC LOSS
MASTER
CMD BUS
AUX
POWER
CMD1
CMD2
CMD3
CMD4
CMD5
AUDIO RISER
OUT IN
ACC-ZSM
ZONE SPLITTER
MODULE
CHGR DISABLE