10
3.4 RS-232/485
CONTROLLER
0 1 0 1
A B A B
D0+ D0- D1+ D1-
Dome Cam 1
CH 1
ID 1
Dome Cam 2
CH 2
ID 2
Dome Cam 3
CH 3
ID 3
RXD TXD
0 1 0 1
0 1 0 1
A B A B
A B A B
D0+ D0- D1+ D1-
D0+ D0- D1+ D1-
Dome Cam 1
CH 1
ID 1
Dome Cam 2
CH 2
ID 2
Dome Cam 3
CH 3
ID 3
RXD TXD
Data format
Data: 1 Byte / Parity: None / Start bit: 1 / Baud: 9600
Totally 3 bytes in data frame:
1.
Byte=0x10
:Broadcasting
DVR
Byte=0x80+ID
Number
:Remote
Control DVR (ID number range: 5~21)
2. Byte=Refer to below table
:Command for each key string
3. Byte=First byte plus Second byte :Command for confirm checksum
8-ch DVR 16-ch DVR
Command
8-ch DVR
16-ch DVR
Command
F.Rew F.Rew 0x38
Rew Rew 0x3a
Picture
Rew
Picture
Rew
0x3b STOP
STOP
0x3c
Picture
Fwd
Picture
Fwd
0x3d PLAY
PLAY
0x39
F.Fwd F.Fwd 0x3e
0x32
0x31
0x33
0x34
ENTER ENTER 0x35
AUTO AUTO 0x37
SEL SEL 0x36
1 1
0x11 2 2
0x12
3 3
0x13 4 4
0x14
5 5
0x15 6 6
0x16
7 7
0x17 8 8
0x18
9 9
0x19 10
0x1a
11
0x1b 12
0x1c
13
0x1d 14
0x1e
15
0x1f 16
0x30
PIN
DEFINE
RS-232 2
RXD
3
TXD
5
GND
RS-485 6
RXDA
R+
7
RXDB
R-
8
TXDZ
T+
9
TXDY
T-