GW3-TRBO IP Site Connect

IP Site Connect Repeater — Backbone IP Connection

Preferred Connection Method

IP Site ConnectThe GW3-TRBO system will be connected to an Ethernet network with IP connectivity to the MOTOTRBO repeater(s). A remote connection to a MOTOTRBO™ network through a repeater utilizes a UDP/IP connection over Ethernet, and therefore the repeater must only be reachable on a given network. GW3-TRBO fully supports peer network authentication if enabled in the repeater firmware or can connect to unauthenticated multi-site peer networks.

Connection to an IP Site Connect (IPSC) MOTOTRBO system as a fully compatible "peer" allows for two-way communication with all of the repeater(s) in the IPSC network. GW3-TRBO is able to send Inbound Signaling Word (ISW) messages back to the repeaters and individual radios connected to the IPSC network to allow for radio commands such as Radio Inhibits and Radio Checks to be issued.

In order to accurately monitor and report on system activity, GW3-TRBO requires IP connectivity to all peers on a MOTOTRBO peer IP network. Motorola's RDAC IP application functions in the same manner, and as such, is a valuable diagnostic tool for confirming IP connectivity between a host PC and all peers in the MOTOTRBO system. Determining whether or not a peer IP network configuration is compatible with GW3-TRBO is absolutely crucial and should always be verified with the RDAC IP application before attempting connection with GW3-TRBO.

There is no GW3-TRBO limit to the number of talkgroups or subscribers that have their activity monitored and stored. Activity for repeater channels configured as Local Area Channels is not broadcast over the IP network and cannot be monitored over the backbone connection due to Motorola firmware restrictions imposed on the current MOTOTRBO IP Site Connect platform. GW3-TRBO will report all MOTOTRBO activity that is broadcast over the IP network on Wide Area Channels.

 

RF Only — Control Station Over the Air (OTA) Connection

Alternative Connection Method

The GW3-TRBO system will be connected to one or more control stations. A control station is a MOTOTRBO mobile or portable radio that has been directly connected to the GW3-TRBO machine through a USB port. The same cable used for CPS configuration of the radios is used for the control station setup. Up to 16 control stations may be connected to a single GW3-TRBO host at any one time.

A control station does NOT perform as an RF-modem, which monitors all radio activity on a particular frequency. A control station can only see activity that a normal radio on the MOTOTRBO network would see. Private calls can only be detected if the target or source radio for the call is the control station radio itself. Private voice and data calls between subscribers are ignored by the control station.

GW3-TRBO communicates back and forth with the control stations using XNL/XCMP to monitor and control MOTOTRBO subscriber radios over the air. Talkgroup activity may be monitored with the OTA connection, and some direct control over the MOTOTRBO radios is permitted directly from the GW3-TRBO software. Support exists for Radio Inhibits and Un-inhibits as well as Radio Ping (radio check).

Each attached control station can monitor up to 16 talkgroups operating on a single channel/slot. Additional control stations can be added to monitor talkgroups in excess of the 16 talkgroup per channel/slot limit. In the Motorola CPS software for the IP Site Connect repeaters, channels can be configured as "Wide Area Channels" or &quto;Local Area Channels." Local Area Channel activity is not broadcast to other repeaters over the IP network and can only be monitored if the control stations are within RF signal range of the repeater with the local area channel. Wide Area Channel activity is broadcast to all other repeaters in the IP network and can be monitored by control stations located within range of any repeater joined with the Wide Area Channel.

 

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