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VOIP-RF-900 Installation Instructions
Talk-A-Phone Co. Rev. 3-17-08
7530 North Natchez Avenue • Niles, Illinois 60714-3804
Phone: (773) 539-1100 Fax: (773) 539-1241
e-mail: info@talkaphone.com http://www.talkaphone.com
All prices and specifications are subject to change without notice.
I. Introduction
Talk-A-Phone's 900Mhz radios are shipped as matched pairs and require no programming or dipswitch
adjustments. The output is IP, which requires a Talk-A-Phone VOIP-1 (or equivalent) to communicate with a
Talk-A-Phone Emergency Phone.
NOTE: The VOIP-RF-900 ship as matched pairs that are hard linked. Please do not mix paired units since a
mismatched pair will NOT work as expected.
II. Contents
Before beginning installation, make sure you have all the included components. The VOIP-RF-900 includes:
2 Radio Modules in outdoor enclosures
2 Power Over Ethernet (PoE) injectors
2 Power supplies (or power cords with battery terminals for solar or battery-powered installations)
2 11dBi antenna
2 Pole Mounting kits
III. Communication Installation
For 120V applications, connect the VOIP-RF-900 as shown in the diagram. For low voltage applications
(including solar/battery powered systems), the VOIP-RF-900 will accept 6-48VDC using the PoE injector.
IV. Mounting
The radio modules have holes and the antennas include brackets for wall mounting. For mounting on a pole, use
the included pole mounting kits and see the separate Pole Mount Directions.
ETP-MT/R OP SOLAR Solar Tower:
When mounting on the mast of a solar tower, make sure the solar panels are mounted as high on the
pole as possible to avoid interference with the antenna. Attach the assembled bracket with antenna and
radio to the pole. Feed the ethernet cable through the antenna mounting hole. You will need to remove
the "C" nut from the fitting to feed the cable assembly through the mast, then re-attach it by slipping the
cable through and tightening the nut onto the bottom of the fitting.
ETP-SMW Wireless Surface Mount Housing:
When mounting using the ETP-SMW, mount the radio and antenna on the wall or pole above the ETP-
SMW. Use the top knockout with a water-tight conduit fitting to ensure a protected environment for the
electronics.
ETP-BOX/PCS (or other NEMA 3R housing):
You may use either the conduit holes on the bottom to run the antenna cable out, or, if desired, drill a 1/2"
diameter hole to use the included water-tight fitting as described above in the Solar Tower instructions.