ABC Buss General Information
2.8.2012
52-296 Rev B05
Page 26 of 27
AlarmSaf
65A Industrial Way, Wilmington, MA 01887 978 658 6717 www.alarmsaf.com
APPENDIX B, PAGE 3
About the Accessory Board Connector (continued)
Fire Alarm Interface (FAI) Status Buss
The FAI status buss carries FAI activation signals on systems utilizing a Fire Alarm Interface.
This buss is used to control outputs on compatible accessory boards. See the documentation
for the accessory boards in the system to determine FAI capability.
Some accessory boards have a jumper to split the FAI buss, allowing independent control of
groups of accessory boards and power supplies with multiple FAI input sources. If the buss is
not split, all power supplies and accessory boards with FAI capability will change state upon
activation of
any FAI input source in the chain. If the buss is split, FAI activation of any FAI
input source will only activate accessory boards or power supplies up to the split. Products
after the split require their own FAI input source.
Note: Not all accessory boards have FAI capability; however the FAI status is still carried
through these accessory boards to maintain continuity through the chain.
DC Common
The DC Common (ground) for the system is maintained through the entire ABC chain. Any
power supplies or accessory boards connected to the chain are common grounded through the
ABC.
Accessory Boards
ACCESSORY MODULE
MODULE DESCRIPTION
ABC CABLE
ORDER
MODEL#
ORDER
MODEL#
10041, 10042
PD8(F)
8 outputs
00521
ABC-03
10067, 10068
MB8(F)
8 outputs w/FAI & voltage selection
00521
ABC-03
10069, 10070
CMB8(F)
8 outputs w/FAI; 4 Relay Controlled
00521
ABC-03
10066
SPS4
Secondary Power Source Module: 5-18V @ 4A
00523
ABC-05
03207
FAIM
Fire Alarm Input Module (used w/PS5-M)
00521
ABC-03
97471
EDB-10
Power Distribution Module for proprietary systems
00523
ABC-05
97472
LDB-8
Power Distribution Module for proprietary systems
00523
ABC-05
