21
R
R
S
S
-
-
2
2
3
3
2
2
C
C
C
C
a
a
b
b
l
l
e
e
S
S
p
p
e
e
c
c
Make sure the RS-232 cable matches the cable spec design.
PC COM Port
DSUB-9P (Female)
12345
6789
AVerVision RS-232 Port
DSUB-9P (Female)
12345
6789
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
CD
RXD
TXD
DTR
SG
DSR
RTS
CTS
RI (CI)
TXD
RXD
SG
R
R
S
S
-
-
2
2
3
3
2
2
C
C
T
T
r
r
a
a
n
n
s
s
m
m
i
i
s
s
s
s
i
i
o
o
n
n
S
S
p
p
e
e
c
c
Star bit
:1 bit
Data bit
:8 bit
Stop bit
:1 bit
Parity bit
:None
X parameter
:None
Baud rate(Communication speed)
:9600bps
R
R
S
S
-
-
2
2
3
3
2
2
C
C
C
C
o
o
m
m
m
m
u
u
n
n
i
i
c
c
a
a
t
t
i
i
o
o
n
n
F
F
o
o
r
r
m
m
a
a
t
t
Start Code(1 Byte) : 0xFF
Type Code(1 Byte) : 0x70
DataLength Code(1 Byte) : 0x01
Data Code(1 Byte) : See the Command Table for reference.
CheckSum Code(1 Byte) : See the Command Table for reference.
Format : Start + Type + DataLength + Data + CheckSum
Example : 0xFF + 0x70 + 0x01+ 0x80 + 0xF1 (Command Power)
R
R
S
S
-
-
2
2
3
3
2
2
C
C
C
C
o
o
m
m
m
m
a
a
n
n
d
d
T
T
a
a
b
b
l
l
e
e
FUNCTION DATA CODE
CHECKSUM
CODE
POWER 0x80 0xF1
CAPTURE 0x90 0xE1
TIMER 0x8A 0xFB
NIGHT VIEW 0x8E 0xFF
FREEZE 0x91 0xE0
CAMERA 0x83 0xF2
MODE
SELECTION
PC 0x82 0xF3
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