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20
4G CELLULAR
ALARM COMMUNICATOR
INSTALLATION (cont.)
D. Locating and Installing the 4550-CF
The Model 4550-CF unit comes in a metal enclosure. The installer needs to supply
the unit’s 16.5 VAC – 45VA transformer (For UL installations, only the Enclosed
ELK TRG1640 can be used) and a 12VDC 5 AH backup battery (Recommended
Battery: Powersonic PS-1250F1 or equivalent)
After carefully considering all issues outlined in the General Considerations section
on page 15, proceed as follows:
1. Open the enclosure’s door. Locate the four (4) mounting holes. Use the
enclosure as a template to mark where to drill holes for the screws and
anchors that will hold the enclosure in place on the wall.
2. Connect the supplied antenna with the 4550-CF. The Antenna supplied
may differ from the ones depicted in the figures in this manual.
3. Go to the red, 4-position Dipswitch as shown in Figure 1 and set the
dipswitch as appropriate for this installation (table on page 16).
4. Place Dipswitch #4 (S4) in the ON position. The LEDs are now operating in
RSSI Mode. Locate a good mounting position based on a good Received
Signal Strength Indication (RSSI).
It is recommended that the installation
location demonstrate an RSSI of at least -80dBm (2 solid green LEDs).
The
minimum acceptable RSSI is -90 dBm (1 solid green LED). If the minimum
acceptable RSSI cannot be achieved with the supplied antenna at the
installation location, contact customer service.
(INSTALLATION continued next page)