IBM EasyCoder 3400e - Manual (Page 125)

HelvC NugFont
C 39
Communications Reference
C-11
C
Printer Serial Port
The rear panel of the printer contains the serial port connector. It is a 25-pin
D-style subminiature receptacle. The port is wired as a data terminal equipment (DTE)
device. Refer to the following figure for pin names on the serial port:
3XXXU.063
13
12
11
10
9
8
7
6
5
4
3
2
1
25
24
23
22
21
20
19
18
17
16
15
14
PS
SG
CTS
RTS
RD
TD
GND
DTR