Gateway Operation; Jumper Setting Description - NexLink IOP-1 Instruction Manual

GATEWAY OPERATION
Once the NEXLINK gateway is properly installed and the radio is programmed to be used with
the NEXLINK gateway, operation is as follows:
ACCESSING THE GATEWAY
To gain access to the gateway, the user simply dials the telephone number connected to the
TELCO port on the gateway from a cellphone or any other phone(which usually has a memory
stored in the phone for the gateway telephone number). The gateway could also be connected
to a PBX system. In that case, the user would enter the internal extention number. The NEXLINK
gateway will auto‐answer the call and ask the user for a 4 digit passcode(the passcode entry can
be disabled, see the "JUMPER SETTING DESCRIPTION, jumper 2" section of this manual). After
sucessful entry, the gateway will respond "NEXLINK Ready", followed by the prerecorded voice
prompt for the current zone that the radio is switched to such as "Dispatch One". Immediately
audio from the receiver in the radio is passed to the user on his phone to monitor "Dispatch
One" activity. If the radio connected to the gateway is progrmamed for scan, and the user has
turned it on, the user will hear the prompt "Scanning" prior to the Zone prompt.
MONITORING THE CHANNEL
The user will now be monitoring the last zone previously selected. If the user just chooses to
monitor the frequency, after 4(or 8 minutes, see the "JUMPER SETTING DESCRIPTION, jumper
1) minutes the user will be asked "Are you still there?" to see if the user is still actively using the
gateway(the gateway is checking for a possible dropped call). The user must respond by
pressing "0" or any other key to reset the activity timer. If the user does not respond within one
more minute, the gateway will end the call. The gateway will never interrupt the user with "Are
you still there" if the user is active in a conversation that has transmissions less than 4(or 8)
minutes. The user will only be asked if the user shows no sign of activity. It is reccommened
that if the user is monitoring for extended periods of time that the user mute the microphone
on the users' phone to maintain audio in one direction.
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