EverFocus ECOR Series - Page 104

97
2-1. Packet Format:
Commands should be sent in packets using the following command string:
Length Byte
Receiver ID high byte
Receiver ID low byte
Opcode Byte
Data Byte
Checksum Byte
2-2. Length Byte
This Length Byte is a prefix.
EX: 0x85 ==> this packet contains 5 bytes. (not including Length byte)
2-3. Receiver ID
ID number can be found by converting the ID in the DVR’s Control Menu to hexadecimal.
Receiver ID
(in Decimal)
16bit binary value
High
byte
Low
byte
0
00000000 00000000
00
00
1
00000000 00000001
00
01
2
00000000 00000010
00
02
...
127
00000000 01111111
00
7F
128
00000000 10000000
00
80
...
255
00000000 11111111
00
FF
256
00000001 00000000
01
00
...
511
00000001 11111111
01
FF
512
00000010 00000000
02
00
...
16382
00111111 11111110
3F
FE