Advanced Functions and Settings: RS-232C Serial Interface
104
Pin Assignment
of the Serial Con-
nector
The pin assignment of the serial interface connector is described in the table
below.
Table 2: RS232-C Electrical Characteristics
RD, SD
(Negative Logic)
RS, CD, DR, ER
(Positive Logic)
Input voltage level +5V to +12V
-5V to -12V
Logical “0” “ON”
Logical “1” “OFF”
Output voltage level +5V to +8V
-5V to -8V
Logical “0” “ON”
Logical “1” “OFF”
Table 3: Pin Assignment of the Serial Connector
Pin Signal Name Pin Signal Name
1 GND (Frame) 14 Not used
2 SD (TxD) 15 Not used
3 RD (TxD) 16 Not used
4 RS (RTS) 17 Not used
5 CS (CTS) 18 Not used
6 DR (DSR) 19 Not used
7 GND (Logic) 20 ER (DTR)
8 Not used 21 Not used
9 Not used 22 Not used
10 Not used 23 Not used
11 Not used 24 Not used
12 Not used 25 Not used
13 Not used