Optiview VR LT Quick Start Up Manual page 12

485 A/B
For VR16LT DVR System
Parameter
Alarm Input
1-NO C，
2-NO C，
3-NO C
485 A/B
For VREM Series
In the second line, from the left to the right,: 1，
2，3，4，5，6，7，8，
In the first line, from the left to the right: 9，10，
11，12，13，14，15，16
In the second line, from the left to the right:
NO1 C1，
NO2 C2，
In the first line, the NO3 C3
RS485 A/B
For VR16PRO and VR32PRO Embedded DVR Systems
485 communication port. They are used to control devices
such as PTZ. Please parallel connect 120Ω between
RS485 A/B cables if there are too many PTZ decoders.
(Alarm) Rear Panel for VR16LT DVR System
Grounding Alarm
Ground line
1, 2, ..., 16.. It becomes valid in low voltage.
Three NO activation outputs.
485 communication port. They are used to control devices such as PTZ. Please parallel
connect 120Ω between RS485 A/B cables if there are too many PTZ decoders.
ALARM 1 to ALARM 16. The alarm becomes active in low voltage.
The three groups of normal open activation outputs(on/off button)
Ground cable.
RS485 communication port. They are used to control devices such
as PTZ. Please parallel connect 120Ω between RS485 A/B
cables if there are too many PTZ decoders.
RS485 Connection port for PTZ camera
RS485 Connection port for PTZ camera
RS485 Connection port for PTZ camera
Data polarity: + = A -- = B
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