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SECTION 2: INSTALLING YOUR SYSTEM
2.4.1 Connect alarm in, alarm out, PTZ devices
Alarm in, alarm out, and PTZ device cabling terminates on the wire terminal block on the back of the DVR. These terminal blocks are
different for each DVR. See below.
Terminal block of DVR9004N
Terminal block of DVR9008N
Terminal block of DVR9016N
DVR9004N
The DVR9004N provides four alarm inputs (“1” .. “4”) with ground terminals (labeled “G”), and one alarm output (labeled “-” and
“+”). RS422/RS485 terminations are labeled TX+, TX-, RX+, RX-.
DVR9008N
The DVR9008N provides four alarm inputs (“1” .. “4”) with one ground terminal (labeled “G”).
One normally open alarm output (labeled “NO” and “COM”).
RS485 terminations are labeled “A” and “B” for RS485-A and RS485-B respectively.
DVR9016N
The DVR9008N provides 16 sensor inputs. The lower row of terminations are for sensor inputs for alarms 1 - 12, left to right. Sensor
inputs 13 through 16 are in the upper row of terminations where marked.
One Normally Open (NO) alarm output is provided on the upper row of terminations and marked “NO” and “COM”.
Keyboard terminations are labeled KB “+” and “-”.
RS485 terminations are labeled 485 “A” and “B” for RS485-A and RS485-B respectively.
Ground terminal are labeled “G”.
