Hitachi UX Twin Nozzle Service Manual

3-41
[Specification of RS-232C external communication connector]
- Signal specification of the external communication connector(RS-232C) on EZJ129 board is shown in
the table below.
-Signals used: RD, SD, DTR, SG, DSR, RTS and CTS
-Signal specification ( NC is No connection )
Pin number
Name
Input / Output
Remarks
1
(NC)
-
No connection
2
RD
Input
3
SD
Output
4
DTR
Output
5
SG
-
Ground
6
DSR
Input
7
RTS
Output
8
CTS
Input
9
(NC)
-
No connection
External device IJ Printer
SG
#5
SG
#8
CTS
Input
RTS
#7
RTS
Output
CTS
#6
DSR
Input
DTR
#4
DTR
Output
DSR
Input
RD
#2
SD
RD
Output
SD
#3
Cable length : maximum 15m
FG
Send data
Receive data
Circuit board side connector: 9 pin D-sub connector (pin side)
Fixing screw: Inch screw
1#
5#
9#
6#

Hitachi UX Twin Nozzle Specifications

General

Brand	Hitachi
Model	UX Twin Nozzle
Category	Printer
Language	English