Appendix H - Rs422 / 485 Port - KGuard Security KG-SH330 User Manual

KGUARD Standalone (KG-SH330) User Manual
Appendix H – RS422 / 485 Port
This port allows the connection of keyboard controller or VT-100 terminal via their appropriate
cables. Please refer to the following diagram for pin definition & cross reference with section
7.7.9 (RS-232/422/485 setting) for setup purpose.
PIN Definition:
For 4-line devices (such as keyboard)
DVR
GND
TxD-
TxD+
RxD-
For PTZ cameras
DVR
GND
TxD-
TxD+
RxD-
RxD+
Devices
GND
TxD-
TxD+
RxD-
Devices
GND
RS485-
RS485+
95 www.kguardsecurity.com