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6. All power-limited wiring must be secured a minimum of ¼ inch away from all
non-power-limited high voltage wiring, and all non-power-limited high voltage
wiring must be routed through a different conduit than any of the power-limited
wiring or cable.
7. The 2550 can be used in conjunction with the alarm panel’s DACT, or it can be
the only means of off-premises communication for the alarm panel.
8. The 2550 must be programmed to send a Test signal to the central station a
minimum of once every 24 hours.
9. The 2550 Output Relay #1 must be programmed for Loss of Cellular Service
(i.e., Network Trouble Supervision), must be connected to a reporting zone on
the alarm panel, and the zone must be set up as closed in the normal state and
open in the off-normal state . Activation of this zone must annunciate locally.
10. The 2550 Output Relay #2 must be programmed for Failure to Receive ACK
from the Central Station (i.e., Communications Failure), must be connected to a
reporting zone on the alarm panel, and the zone must be set up as closed in the
normal state and open in the off-normal state. Activation of this zone must
annunciate locally.
B. Household Burglary (UL 1023 - Category NBSX, and evaluated to
UL 1635 - Category AMCX)
1. The 2550 must be connected to an alarm panel that also holds a current UL
1023 Listing.
2. Power to the 2550 must be supplied from a 16.5 VAC – 40 VA UL Listed wall
transformer. (Recommended Transformer: Ademco 1361, MG Electronics Model
MGT1640 or equivalent)
3. Use a 12V, 1.4 Ampere hour rated sealed lead-acid or gel cell type
rechargeable battery with the 2550. (Recommended Battery: Powersonic PS-
1212 or equivalent)
4. The 2550 must be located within 20 feet of the alarm panel.
5. The wiring between the 2550 and the alarm panel must be in conduit.
6. All power-limited wiring must be secured a minimum of ¼ inch away from all
non-power-limited high voltage wiring, and all non-power-limited high voltage
wiring must be routed through a different conduit than any of the power-limited
wiring or cable.
7. The 2550 can be used in conjunction with the alarm panel’s DACT, or it can be
the only means of off-premises communication for the alarm panel.
