8A083X30 Rev.11
APX Series P25 Interface
DVRS
User’s Guide
January 2019
Page 24 of 94
DVRS Features by PSU Type
– Motorola Infrastructure
When the PSU user is out of system radio coverage, the PSU can be switched to a
dedicated DVR channel so that the PSU can communicate via the DVRS. The features
available to the PSU user depend on the PSU type, programming and selected mode.
The table below specifies what features are supported by the different PSU types.
PSU FEATURE SUPPORT BY
DVRS
DVRS Enabled
PSU [Note 5]
Generic
P25 PSU
Analog PSU
Registration / Deregistration
Yes
Yes [Note 1]
Yes [Note 3]
Talk Group Proxying / Translation
Yes
Yes
No
Group Calls
Yes
Yes
Yes
PSU PTT ID
Yes
Yes
Yes [Note 2]
Private Calls
Yes
No
No
Announcement Group
No
No
No
Phone Interconnect
Yes
No
No
Patch
Yes
No
No
Dynamic Regrouping
Yes
No
No
Selector Lock / Unlock
No
No
No
Emergency Call / Alarm
Yes
Yes
Yes
Emergency ID Pass Through
Yes
Yes
Yes [Note 2]
PSU Hot Mic
Yes [Note 4]
No
No
PSU Emergency Revert
Yes
Yes
Yes
P25 Encryption
Yes
Yes
No
Call Alert /Page
Yes
Yes
No
System Status Broadcast (Failsoft,
Out Of Range, Site Trunking)
Yes
No
No
Local Mode Indication
Yes
No
No
Automatic Revert to TA when no
DVR
Yes
No
No
Adaptive Power Control
Programmable
Yes [Note 6]
No
Talk Permit Tones (generated by
PSU)
Yes
No
No
Leading / Trailing Tones (sent over
the air)
No
No
Yes
Radio Check / Radio Inhibit
Yes
Yes
No
P25 Trunking OTAR
Yes
No
No
PSU Group Services
Yes [Note 7]
No
No
PSU LOCATION
Yes
No
No
PSU SCAN
No
No
No
Remote DVR Activation by PSU
Yes (Call Alert)
Yes (Call Alert)
Yes (DTMF)
Remote DVR Activation by PSU
Emergency Alarm
Yes
Yes
Yes
(MDC1200)
End to End digital on TDMA P25
Phase 2
Yes[Note 8]
No
No
Table 2 DVRS Features vs Type of PSU
Note 1 When selecting a DVR Mode on the Generic P25 PSU, it registers upon first Group Call. Generic
PSU is deregistered after a preprogrammed timer counting the period of inactivity expires.
Note 2 Supported only with MDC1200 capable portables.
Note 3 Analog PSU is registered on the P25 system with its MDC1200 ID.
Note 4 Requires firmware R12.00.13 or later in the XTS ‘DVRS Enabled’ PSU and R07.00.05 or later if
using APX ‘DVRS/VRX Enabled’ PSU.
Note 5 The PSU models that can be programmed as
DVRS Enabled
