3
2.
I
nterface illustrations (rear panel view)
Port
Physical interface
Description
1
RS232
9-pin DB9 RS232
Full duplex Male
RS232 DB9 to camera RS232 8-pin Mini-DIN with
included RS232 cable
KB RS232 9-pin DB9 Camera 8pin Mini-DIN
RXD Pin 2
TXD Pin 3
TXD Pin 3
RXD Pin 5
GND Pin 5
GND Pin 4
2
RS-422/
RS485
RS422/RS485 connection
RS422 Full duplex
RS485 Half-duplex
For RS422 or RS485 connection with the camera.
Please refer to the table below
RS422
KB controller
Camera
Ta
-
RXD IN
-
Tb
-
RXD IN
+
Ra
-
TXD IN
-
Rb
-
TXD IN
+
RS485
KB controller
Camera
Ta
-
RS485
+
Tb
-
RS485
-
3
Ground
Ground (G)
Signal control line to ground
4
PW
Power indicator light
The light is in steady red when keyboard is working
5
TXD
Sending data indicator light
Flashing in green when the unit is sending data
6
RXD
Receiving data indicator light
Flashing in green when the unit is receiving data
7
DC-12V
Power jack
DC12V power input
Note:
for more details on how to control multi cameras, please visit
