3 cellular transceivers, Cellular transceivers, 8. com220 modem with surge protector – Campbell Scientific UT10 10 foot Tower w/ Grounding Kit and Hinged Base User Manual

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UT10 Weather Station

FIGURE 8-8. COM220 Modem with Surge Protector

8.3.3 Cellular Transceivers

Campbell Scientific offers two digital cellular modems — the RavenXTV

CDMA modem and the RavenXTG GPRS modem. Refer to our product

brochure for information on choosing the right cellular modem for your

weather station.

Mount the digital cellular modem in the enclosure by doing the following

steps:

1. Mount the modem to the enclosure backplate using the hardware provided

in pn 14394, Mounting Kit.

2. Connect the modem to the datalogger’s CS I/O port via the SC105 or

SC932A interface or connect the modem to the datalogger’s RS-232 port

via pn 18663, Null Modem Cable.

3. Mount the cellular antenna on a grounded mast, positioning it to point

toward the nearest cellular tower, with the radiating elements oriented

vertically. Route the coaxial cable into the enclosure through the wiring

port and connect it to the cellular transceiver’s coaxial connector. Provide

strain relief for the cable on the left side of the enclosure with a cable tie

and tab.

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