Rs-232 cable specifications, Rs-232 transmission specifications, Rs-232 communication format – AVer M70 User Manual
Page 37: Rs-232 send command table, Rs s
ENGLISH
32
R
R
S
S
-
-
2
2
3
3
2
2
C
C
a
a
b
b
l
l
e
e
S
S
p
p
e
e
c
c
i
i
f
f
i
i
c
c
a
a
t
t
i
i
o
o
n
n
s
s
M
-232 cable matches the cable specification design.
ake sure the RS
1
2
3
4
5
6
7
8
9
CD
PC COM Port
)
AVerVision RS-232 Port
DSUB-9P (Female)
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
RXD
D
RI
TXD
RXD
R
R
S
S
-
-
TXD
DTR
SG
SR
SG
RTS
CTS
(CI)
2
2
3
3
2
2
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
i
i
f
f
i
i
c
c
a
a
t
t
i
i
o
o
n
n
s
s
：
1 bit
it
eter
：
None
munication speed)
：
9600bps
R
R
S
S
-
-
2
2
Start bit
Data bit
：
8 bit
Stop bit
：
1 bit
：
None
Parity b
X param
Baud rate (Com
3
3
2
2
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
Send Device Code(1 Byte)
: 0x52
: See the Command Table for reference.
Receive Device Code(1 Byte) : 0x53
CheckSum Code(1 Byte)
: See the Command Table for reference.
Format
: Start + Type + DataLength + Data + CheckSum
Example
: 0x52 + 0x0B + 0x03+ 0x3 + 0x01 + 0x00 + 0x00 + 0x53 +
0x5A (Command Power)
R
R
S
S
-
-
2
2
3
3
2
2
S
S
e
e
n
n
d
d
C
C
o
o
m
m
m
m
a
a
n
n
d
d
T
T
a
a
b
b
l
l
e
e
Send Format︰0x52 + 0x0B + 0x03 + Data[0] + Data[1] + Data[2] + 0x53 + CheckSum
Receive Format︰0x53 + 0x00 + 0x02+ *2 + *3 + 0x52 + CheckSum
*1 ：CheckSum = 0x0B xor 0x03 xor Data[0] xor Data[1] xor Data[2] xor 0x53
*2 ：Receive data ok : 0x0B, ID error: 0x01, CheckSum error: 0x02, Not Command : 0x03,
Function fail = 0x04
*3 ：Data[0], Return 0x00 if error
Type Code(1 Byte)
: 0x0B
DataLength Code(1 Byte)
: 0x03
Data Code(1 Byte)
: See the Command Table for reference.
Data Code(2 Byte)
: See the Command Table for reference.
Data Code(3 Byte)