Hitachi UX Twin Nozzle Service Manual

3-29
Connector for
communication
(RS-232C)
CN3
EZJ127A board
EZJ119A board
(Option)
Terminal block
(Push type)
TB1
Terminal block
(M4 screw)
TB2 (Option)
[Specification of External communication (RS-232C)]
- Connector for external communication (RS-232C) is mounted on EZJ127A board.
- Used signals: SD, RD and SG
- Signal specification (NC: No connection)
- Connector position: Inside the top cover (upper part of cabinet)
Pin number Name Input/Output Remarks
1 (NC) - No connection
2 RD Input
3 SD Output
4 DTR - Connected to DSR on IJ printer
5 SG - Ground
6 DSR - Connected to DTR on IJ printer
7 RTS - Connected to CTS on IJ printer
8 CTS - Connected to RTS on IJ printer
9 (NC) - No connection
The control signals
are looped back on
EZJ127A board.
External device
IJ Printer
SG
#5
SG
#8
CTS
Input
#7
RTS
Output
DSR
Input
#4
DTR
Output
Input
RD
#2
SD
RD
Output
SD
#3
Cable length : maximum 15m
FG
Send data
Receive data
#6
Connector on EZJ127 board: 9-pin D-sub connector (Plug)
Fixing screws: Inch screw
1#
5#
9#
6#

Hitachi UX Twin Nozzle Specifications

General

Brand	Hitachi
Model	UX Twin Nozzle
Category	Printer
Language	English