User's Manual Printer CLP-6401

6-11
6.2.5 Interface pin assignment
Serial and parallel interface pin assignment tables are shown below.
n Serial interface pin assignment table
Pin No. Signal Input/Output Description
1 F.GND - Frame ground
2 TXD Output RS-232C output data
3 RXD Input RS-232C input data
4 RTS - RS-232C (pull up to +5V with 2 KW]
5 CTS Input RS-232C data transmission on
computer permitted
6 NC - No connection
7 S.GND - Signal ground
8 NC - No connection
9 NC - No connection
10 NC - No connection
11 NC - No connection
12 NC - No connection
13 S.GND - Signal ground
14 +5VDC - +5 V (max. load 100 mA)
15 NC - No connection
16 NC - No connection
17 NC - No connection
18 NC - No connection
19 NC - No connection
20 DTR Output RS-232C data transmission (busy) on
printer permitted
21 NC - No connection
22 NC - No connection
23 NC - No connection
24 NC - No connection
25 NC - No connection