USER’S MANUAL
83
EXTERNAL TERMINAL INFORMATION
Chapter 7
External Terminal Information
7.1 RS-485
These ports are to control the connected PTZ cameras and can be used to connect the external
controller.
7.2 RELAY OUT
For controlling alarm output by relay
No
DESCRIPTION
1
TA(TX+)
RS485:Transmit data
2
TB(TX-)
RS485: Receive data
3
GND
NO
DESCRIPTION
NO
DESCRIPTION
1
NO(Normal Open)
5
NO(Normal Open)
2
CM(Common)
ALARM
6
CM(Common)
MD
3
NO(Normal Open)
7
NO(Normal Open)
4
CM(Common)
V-LOSS
8
CM(Common)
POWER
USER
NOT USED
HDD ERROR