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INSTALLATION
PSTN CONNECTION
The installation should be done at a location that has an available PSTN connection such as a
standard copper pair, digital PBX with an ATA (analog telephone adapter) connection, or VOIP
telephone service ATA such as Vonage or MagicJack. Most telephone connections that have a
ring voltage and "tip and ring" connections (also referred to as 2‐wire) should work with the
NEXLINK gateway. This connection is plugged into the port labeled TELCO on the gateway.
RADIO RF PATH
The RF path to and from the repeater site needs to have a solid signal to and from the radio
connected to the gateway. It is not necessary for the radio and the NEXLINK gateway to be
located at the tower site. For instance, a radio located at a service dispatch area with an outside
antenna that has a solid signal to and from the repeater is perfect. If the radio is to be located
at the tower site, then the appropriate measures should be taken to ensure a solid and
balanced RF connection. Before connecting the gateway to the radio, make sure that all
programmed zones in the radio have a clear transmit and receive path and the programmed
ID's and zones are the desired user/groups to be used with the gateway.
PLUG AND PLAY CABLE CONNECTIONS
The NEXLINK gateway comes complete with all the cables required for connection to the
Kenwood NX‐700 or NX‐800 radio. Plug the cable harness as shown in Fig 1.
MIC GAIN SETTING
The MIC GAIN on the front panel of the gateway should be set at about 10:00 using the
indentation on the shaft of the control. This control adjusts the level of audio that is sent out
over the air to the repeater from the user on the TELCO port of the gateway. This setting may
vary slightly depending on the installation. This level should be set so that the user of the
gateway sounds almost the same as all other users on the system.
Beta V1.00
07/01/2012
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