OTS Series Command Line Interface User Guide
Page 14 of 95
2.3.3
Connecting the Parameter Setting Terminal
The pin specifications for the OTS system console port are shown in 2.3.4 and RS-232 cable connection examples are
shown in 2.3.5 and 2.3.6. The console port is a DTE (male) DB-9 connector.
2.3.4
Console Port Pin Specifications
3
Stop bit
1 bit
4
Parity
None
5
Flow control
None
6
Baud rate
9600 bit/s
7
RS, ER
Always ON
8
CD
Not monitored
9
Terminal connection cable
RS-232 cable (cross)
However, a DB-9 female connector should be used
on the OTS series side.
Pin No.
Signal name
Signal contents
Remarks
1
Not connected
2
RD
Receive data
Input
3
TD
Send data
Output
4
Connected to pin 6
5
SG
Circuit ground
6
Connected to pin 4
7
Connected to pin 8
8
Connected to pin 7
9
Not connected
