４５
SK1-21/31
5- 2
．
Serial
(1) Pin layout
Connector:
CVILUX CH87102HA00
or equivalent
Pin
Signal Direction
Function
1 N.C
――
2 DTR
――
DSR loop connect
3 RxD
Input
Serial
data
input
4 RTS
Output
Request
to
send
5
TxD
Output
Serial data output
6 CTS
Input
Clear
to
send
7 DSR
――
DTR loop connect
8 N.C
――
9 GND
――
10 N.C
――
DTR is used to control data transmission to some host systems.
When the host system is communicated by DTR, use loop connect of the host system.
(2) Conditions
Baud rate:
1200 to 115200bps
Parity:
None,
Odd,
Even
Bit length:
7, 8 bit
Busy
control:
Hardware
control(RTS/CTS/Software control(XON/XOFF)
1
2
9
10
