18
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Applied range: in the same segment, not suitable for bridge network.
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To apply, enter camera OSD, choose VISCA option: OVER IP
How to use VISCA over IP
VISCA Command
Commands are sent from controller to camera, and when camera receives the commands, it returns
ACK. When the command is executed, a complete message will be returned.
VISCA Inquiry
Inquiry is sent from controller to camera, and when camera receives the command, it will return
required message.
VISCA Reply
Reply is sent from camera to controller. ACK, which is the complete message, can be either reply or
error reply.
Command format:
Note that LAN output is big-endian, and LSB is in the front.
Payload type:
data definitions are listed below:
Name
Value (Byte 0)
Value (Byte 1)
Value
VISCA command
0x01
0x00
Stores VISCA command.
VISCA inquiry
0x01
0x10
Stores VISCA inquiry.
VISCA reply
0x01
0x11
Stores reply for VISCA command and VISCA
inquiry, or VISCA device setting command.
VISCA device
setting command
0x01
0x20
Stores VISCA device setting command.
Control command
0x02
0x00
Stores control command.
Control reply
0x02
0x01
Stores reply for the control command.
Payload length:
Valid data length in Payload (1~16), is the command length. For example, when valid data
length is 16-byte, Byte 2: 0x00; Byte 3: 0x10. Controller will save the sequence number of each command.
When one command is sent, the sequence number of that command will add 1; when the sequence number
reaches its max, it will return back to 0. The camera will save sequence number of each command, and return
