User's Manual
Link port Stackable up to three boxes only with one IP
RS232/RS422/RS485 To communicate between external devices.
These pins are for devices that satisfy RS-232,
RS422, or RS485
Sensor In To input video signal through 6 coaxial cables
Alarm Out To output video signal through 6 coaxial
cables
3) RS232/RS422/RS485 Descriptions
Connector Name Description Remark
Power To supply power to external devices
Ground To ground cables of power, communication, etc.
RS-232
To communicate between NetServer-6 and external
devices such a CCTV camera, NetServer A10 (An audio
transmission kit), or an external modem. These pins are for
devices that satisfy RS-232C protocol, and they are
consisted in RX and TX.
RS-422
To communicate between NetServer-6 and a CCTV
camera that satisfies RS-422 protocol. They are half-duflex.
It is consisted in R+, R-, T+, and T-.
RS-485
To communicate between NetServer-6 and a CCTV
camera that satisfies RS-485 protocol. They are consisted in
S+ and S-.
P G
R
S
2
3
2
G
R
S
422
RS485
Rx Tx R+ R- T+ T-
S+ S-










