Encoder User Manual
Manual-H264_ENC-Rev1207A
Copyright © KBC Networks 2012
Page 9 of 49
www.kbcnetworks.com
2.2.6.3
RS-232
(Use RS-232 dip switch selection)
From encoder: TX+
to camera:
Transmit
From encoder: RX+
to camera:
Receive
From encoder: GND to camera:
Ground
2.2.6.4
Known Incompatible Protocols
The following data protocols are not supported by the KBC encoder/decoder:
•
Sensornet
•
Biphase & Bilinx, other Bosch proprietary protocols
•
Kalatel protocols using RS-422. The system is compatible in RS-485 at 9600
Baud Rate
•
Coaxitron or other “up the coax” PTZ control systems
2.2.7
Alarm Input / Output Parameters
2.2.7.1
Voltage Specification
Contact Closure Specification
DI
Connection Design
TTL-compatible logic levels
Voltage
Trigger
(low)
Logic level 0: 0V ~ 0.4V
Normal
(high)
Logic level 1: 3.1V ~ 30V
Current
10mA ~ 100mA
DO
Connection Design
TTL-compatible logic levels
Voltage
Trigger
(high)
Logic level 0: 2.4V ~ 5V
Normal
(low)
Logic level 1: 0.1V ~ 0.6V
Current
50mA
