![background image](http://html1.mh-extra.com/html/lts/83-k-et-series/83-k-et-series_quick-start-manual_1945189014.webp)
Digital
Video
Recorder
Quick
Start
Guide
13
2.3
RS
‐
485
and
Controller
Connection
Typical
Connection:
Figure
2
‐
5
Controller
Connection
A
To
connect
PTZ
to
the
DVR:
Step
1
Disconnect
pluggable
block
from
the
RS
‐
485
terminal
block.
Step
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.
Step
3
Connect
A+
on
PTZ
to
D+
on
terminal
block
and
B
‐
on
controller
to
D
‐
on
terminal
block.
Fasten
stop
screws.
Step
4
Connect
pluggable
block
back
into
terminal
block.
Make
sure
both
the
controller
and
DVR
are
grounded.