Quick Installation Guide

EZHD-TRF4/8/16 HD-TVI Real Time DVR Quick Installation Guide
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2. Press and hold the orange part of the pluggable block; insert signal cables into slots and release the orange part. Ensure signal cables
are in tight.
3. Connect pluggable block back into terminal block.
RS-485 Connection
1. Disconnect pluggable block from the RS-485 terminal block.
2. Press and hold the orange part of the pluggable block; insert signal cables into slots and release the orange part. Ensure signal cables
are in tight.
3. Connect A+ on PTZ to D+ on terminal block and B- on controller to D- on terminal block. Fasten stop screws.
4. Connect pluggable block back into terminal block.
To connect PTZ to the DVR:
1. Disconnect pluggable block from the RS-485 terminal block.
2. Press and hold the orange part of the pluggable block; insert signal cables into slots and release the orange part. Ensure signal cables
are in tight.
3. Connect A+ on PTZ to T+ on terminal block and B- on controller to T- on terminal block. Fasten stop screws.
4. Connect pluggable block back into terminal block.
Make sure the DVR is grounded.
Termination Switch Operation
 This function is applicable to certain models only.
 The termination switch is placed on the mainboard instead of the rear panel. Open the upper cover and turn on/off the SW switch if
needed.
Purpose:
To connect the DVR with several speed domes, the multi-drop/bus topology can be used, which means multiple speed domes are connected
with each other via the R+ and R- of RS-485 serial interface, for proper impedance and to reduce reflections, terminations should be in