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16-CH SDI Multiviewer & Matrix Switcher API Guide
Part 1 Communication Mode I
Interface: LAN
Communication Protocol: UDP Broadcast
Destination Port: 7000
Communication Mode II
Interface: RS-422
Baud Rate: 9600
Parity Bit: NONE
Data Bit: 8
Stop Bit: 1
Part 2 Format of Protocol Mode
2.1 Send from PC to Multiviewer
Data Packet
Value
0xA5
Packet Header
0x6C
Data Length
0x0000~0x0420
Device Type
0x00~0xFF
Device ID
0x00~0xFF
Interface Type
0x00~0xFF
Reserve
0x00
Command
0x00~0xFF
Packet Data
...........
Checksum
0x0000~0xFFFF
Packet End
0xAE
(hex)
Byte
2
2
1
1
1
9
1
Variable length
2
1
Description
The beginning of data packet
The length of the entire data packet from packet
header to end (including header and end). The
lower byte stays head.
Definition of device type, OXFF means broadcast.
A distinguishing of the device when there are
several devices in a same LAN at same time. OXFF
means broadcast.
0x00:UART（serial port); 0x01: LAN
For reserve.
Command for each function.
<= 1024
The algebraic sum of all bytes from packet header
to checksum (including the packet header and
checksum). Take 2 bytes, other parts omitted. The
lower byte stays ahead.
The end of the packet.
1
V1.1
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