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Mounting the GSMHS
The GSMHS must be mounted indoors.
Warning - The antenna(s) used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons and must not be collocated or
operating in conjunction with any other antenna or transmitter.
NOTE: The GSMHS must be installed in accordance with the National Fire Alarm Code,
ANSI/NFPA 72.
For mounting see Figure 2-1 and complete the following steps:
Unshielded, 22 AWG cable is recommended for GSMHS power/data wires.
1.
Unpack the GSMHS and detach the case back by pushing up into the two tabs located at
the bottom of the GSMHS with the blade of a screwdriver while pulling the case back
and case front apart.
2.
Temporarily connect the GSMHS to the AC transformer, supplied.
3.
Choose the installation site with the best signal strength by observing the signal
strength (RSSI) bar graph (refer to Appendix A for information about signal strength
and status indications). Signal strength should be within 3-5 bars. The best signal
strength is usually found at the highest point in the building, near a window. Unplug
the transformer.
4.
Locate the case back over the mounting surface such that the opening in the case back is
aligned with the wire/cable access opening (in the mounting surface) while passing the
wires/cable through the opening in the case back, or through the removable knockouts
located on the bottom of the back cover.
5. Secure the case back to the mounting surface using four screws (supplied).
When all wiring is completed, attach the case front of the GSMHS to the case back.
6.
Attach the top of the GSMHS first then press the bottom section inward until it snaps
into place. Secure bottom using cover securing screw (supplied) as shown below,
(required for UL installations).
Mounting and Wiring
RF Exposure
3 BARS MIN.
R
Y
Y
G
G
G
7845i-GSM-025-V0
S E C T I O N
2
2-1
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