Dvr System Topologies; Global Dvrs Features; Automated Vr Activation (Avra); Table 12 Dvr System Topologies- Voice - Futurecom P25 Installation & Programming Manual

DVR System Topologies

The following table provides an overview of all possible DVR system configurations and
whether each is supported. The rest of the document provides details on the supported
system topologies.
PSU Type DVR Ch
Analog
Digital
Mixed
Analog
Forced
Analog
Forced
Analog All
Analog
Digital
Mixed
P25
Forced
Generic
Analog
Forced
Analog All
Analog
Digital
P25 Mixed
DVRS
Forced
Enabled
Analog
Forced
Analog All

Table 12 DVR System Topologies- Voice

Global DVRS Features

This section describes Global DVRS features, which are common for all DVR channel
types.

Automated VR Activation (AVRA)

The MSU has Vehicular Interface Port (VIP) inputs that can be wired to a switch (refer to
the Motorola MSU installation documentation), which can be used for activation /
deactivation of the DVR. The switch that asserts the VIP Input could be the opening of the
car door, the removal of a PSU from the charger, a manual switch, parking brake switch
or a combination of the above. Alternatively, the AVRA trigger can be wired to the
designated pin on the DVR auxiliary cable as described in Part I of this manual.
The handling of the VIP inputs is determined by the 'AVRA Function' field programming in
the DVR as follows:
January 2019
DVRS Installation & Programming Guide – PART II
MSU / System Type
Conv. Conv.
Analog P25
Yes Yes
No No
Yes Yes
Yes No
Yes Yes
No No
No Yes
No Yes
No Yes
No No
No No
No Yes
No Yes
Yes Yes
Yes Yes
APX Series P25 Interface
Type II P25 FDMA
Trunked Trunked
Yes Yes
No No
Yes Yes
Yes No
Yes Yes
No No
No Yes
No
Yes
No Yes
No No
No No
No Yes
No Yes
Yes Yes
Yes Yes
8M083X25 R14
P25 TDMA
Trunked
Yes
No
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
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