Rs-232c cable spec, Rs-232c transmission spec, Rs-232c communication format – AVer 300AF user manual User Manual
Page 27: Rs-232c command table
E-21
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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)
1
2
3
4
5
6
7
8
9
AVerVision RS-232 Port
DSUB-9P (Female)
1
2
3
4
5
6
7
8
9
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
PC 0x82 0xF3
MODE
SELECTION
PREVIEW 0x81
0xF0
DELETE 0x88 0xF9
PAGE UP
0x8D
0xFC
PREVIEW
MODE
PAGE DOWN
0x8F
0xFE
IN 0x9A 0xEB
ZOOM
OUT 0x9C 0xED