User manual

6
Chapter 2 Keyboard Installation
2.1 Interface Description
figure 2 -1 keyboard back panel
Port 1A_B_GRS-485 port
Port 2A_B_Y_Z_GRS422 port
Network port10Base-T
Power supplyDC12V/1500mA
Relay outputNC_COM normally closedNO_COM normally open
For extension
2.2 Installation and Connection
1 Select communication port. Choose corresponding port for controlling different
devices. E.g. choose network port for controlling intelligent network matrix
switcher, and RS-485 port for controlling speed dome/ PTZ camera.
2 Thread power cable and control cable through back cover, connect them the correct
place and install side cover.
figure 2 2 keyboard installation back view
3 User can adjust the position by using brackets.