52
12 Input/Output Functions
12.1
RS232C Output
12.1.1
Connector pin numbers and functions
Pin No.
Signal
Name
Input/Output
Function & Remarks
1
-
-
-
2
RXD
Input
Receiving data
3
TXD
Output
Transmitting data
4
DTR
Output
HIGH
(When the balance is powered ON)
5
GND
-
Signal ground
6
-
-
-
7
-
-
-
8
-
-
-
9
-
-
-
Caution:
Be sure to disconnect the AC adapter from the power outlet before plugging or unplugging the
connector.
D-SUB9P Male Connector: Rear Panel
1
2
3
4
5
6
7
8
9