www.tekvox.com
PTZ Cameras
79068 User Manual
RS232 (DB-9) Port Definition
No.
Port
Definition
1
DCD
Data Carrier Detect
2
RXD
Receive Data
3
TXD
Transmit Data
4
DTR
Data Terminal Ready
5
GND
System Ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
RI
Ring Indicator
Note
: HDMI models have RS232 input & output interfaces, so you can cascade as shown above
VISCA Networking
Camera Cascade Connection Method
Camera 1
Camera 2
1. DTR
1. DTR
2. DSR
2. DSR
3. TXD
3. TXD
4. GND
4. GND
5. RXD
5. RXD
6. GND
6. GND
7. IR OUT
7. IR OUT
8. NC
8. NC