Radio Check / Inhibit; P25 Trunking Otar; Patch; Dynamic Regrouping - Futurecom Mobexcom P25 User Manual

8A083X20 Rev. 16
6881013Y38-P
User's Guide
it. The above indication is only available on 'DVRS Enabled' PSUs and is not available to
Generic P25 PSUs when using the DVRS.

Radio Check / Inhibit

Radio Check and Radio Inhibit functions are passed through the DVRS to the Local PSU
when the DVRS is in the SYSTEM or LOCAL mode. Those functions are available to
both 'DVRS Enhanced' and Generic P25 PSUs.

P25 Trunking OTAR

P25 Over-The-Air-Rekeying (OTAR) is supported through the DVRS when the Local
PSUs are of the 'DVRS Enabled' type (with required options installed), the DVRS is in
the SYSTEM or LOCAL mode and the MSU is on a P25 Trunking TG.
OTAR is not supported if generic P25 PSUs are used and / or if the MSU is on a P25
Conventional channel.

Patch

When two or three TGs are patched on the System side (using the trunking group-
regrouping function), the DVRS ensures the patching is matched on the Local PSU side
when 'DVRS Enabled' PSUs are used, the DVRS is in the SYSTEM or LOCAL mode
and the MSU is on a P25 Trunking TG.
Patch cannot be supported on PSU TGs that are programmed for TG Translation in the
DVR. Patch is supported only on the selected MSU TG as follows:
Inbound call from PSU on TG Translation enabled TG will be translated to the patch
supergroup and repeated locally and to the system.
Outbound call will be repeated as is (with the supergroup TG ID).

Dynamic Regrouping

The System Dispatcher can temporarily assign selected individual radios operating on
different TGs to operate on a new dedicated TG. The DVRS extends this functionality to
the 'DVRS Enhanced' Local PSUs when the DVRS is in the SYSTEM or LOCAL mode.
Dynamic Regrouping is not supported on Generic P25 PSUs.

Phone Interconnect

Phone Interconnect is supported on Local P25 DVRS Enhanced PSUs when the DVR is
on a full duplex P25 channel (digital or mixed mode) and the MSU is on a P25 Trunking
Talk Group. Phone Interconnect requires the DVR to be in the System or Local Mode.

Adaptive Power Control

The DVRS sends P25 messages to the Local 'DVRS Enabled' PSUs to adjust their
transmit power depending on the received signal strength and thereby to conserve the
PSU battery. This feature is not supported on Generic P25 PSUs.

Audio Buffering

Audio buffering is supported by the DVRS in order to eliminate loss of words / parts of
words due to the inherent delays associated with acquiring system access.
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