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2
）
RS‐232 Mini‐DIN 8‐pin Port Definition
3
）
RS232(DB9) Port Definition
4
）
VISCA networking as shown below
Note: PTZ Camera has RS232 input and output interface, so you can cascade as the above way.
NO.
Port
Definition
1
DTR
Data Terminal Ready
2
DSR
Data Set Ready
3
TXD
Transmit Data
4
GND
System Ground
5
RXD
Receive Data
6
GND
System Ground
7
IR OUT
IR Commander Signal IR
8
NC
No Connection
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
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.OPEN
8. NC
8.OPEN