4
2.1.1
Interface instruction
Rs422 and Rs485 interfaces are on the 6bit ribbon cable connection of the keyboard.RS485 A+
B-) can connect with the dome when the keyboard controls the dome directly;RS485 A+B-can
connect with DVR or other keyboards when the keyboard controls the dome by matrix
。
With VGA input, the keyboard can work with a display, can connected with DVR, PC ect.
，
The max input
resolution is 1280X720, 1024X768, 800X600.
USB Interface
，
use to connect with the PC
，
By this connect way, the keyboard can working as a aim object
。
Video interface used for camera
。
2. 2 Connect Matrix
Can control the PELCO CM6700
、
CM6800matrix
。
Follow are the connection way of matrix PELCO
CM6700
，
to show the steps of connection
。
Cover board of CM6700 matrix has the interface of RS422
（
“
REMOTE KEYBOA-RD(s)
”
)
，
connect it to the RS422 on the keyboard
，
longest distance is 1200m
2. 3 Direct connect with Dome
Keyboard connect the Dome with RS485
。
The RS485 interface of the Dome is on the commutator of the Dome
。
Press the metal button in the hanging frame
，
open the commutator, will find a 4bit power jack
，
follow the surface
instruction to find RS485
（
A+
，
B-
）
follow the instruction
。
Maybe a different connect way when come from
different manufacturer
12V A+ B-
A+ B-
485 Match
ON/OFF
Display
screen
LOCK
VGA Input
ON/off
Figure
2-1.1
Figure 2-3.1
Dome
DC 12V-36V
USB
Video input
RS485
Power input
