
Section 7 - 2-Wire Polling Loop Expansion
7-3
Compatible Polling Loop Devices
4101SN
Serial Number Single
Output Relay Module
•
Form C relay rated at 2A, 28VAC/VDC with
contact supervision.
•
One class B/style B EOLR-supervised aux input
zone.
•
Serial Number ID learned by control panel.
•
Tamper-protected cover.
4939SN-BR
4939SN-GY
Serial Number Surface
Mount Reed Contacts
•
Compact surface-mount magnetic reed contact
with built-in RPM.
•
Serial number ID learned by control panel.
4191SN-WH
Serial Number
Recessed Reed Contact
•
Recessed (1/2” dia.) magnetic reed contact with
built-in RPM.
•
Serial number ID learned by control panel.
4959SN
Aluminum Overhead
Door Contact
•
24-inch armored cable
•
Serial number ID learned by control panel.
4208U
Universal 8-Zone
Expander
•
Uniquely identifies 8 EOLR supervised zones
(all zones use 10k resistors, supplied).
•
Can be used in zone assignment mode or serial
number mode.
•
When used in the serial number mode, each
serial number in the selected group can be
assigned to any zone number.
•
Loops A&B can be programmed for fast
(10msec) response.
•
Can be optionally powered from an external DC
power supply to reduce current draw from the
polling loop.
•
Tamper protected
4193SN
Serialized 2-Zone
Expander
•
Two-zone expander used to connect alarm
sensing devices to control panels.
•
Can be configured as one supervised zone (10K
EOLR) and one unsupervised zone, or two
unsupervised zones (normally closed devices
only).
•
Serial number ID learned by control panel.
4293SN
Serialized 1-Zone
Expander
•
Single-zone expander used to connect alarm-
sensing devices to control panels.
•
Can be configured as one unsupervised zone
(normally closed devices only).
•
Serial number ID learned by control panel.
7500
Single Technology
Glass Break Detector
•
Glassbreak detector with built-in RPM.
•
DIP switch programmable.
9500
Dual Technology Glass
Break Detector
•
Dual technology glass-break detector with
built-in RPM
•
DIP switch programmable.
UL
Models 7500 and 9500 glassbreak detectors are not UL Listed.
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