Workshop Manuals Factory service & repair Aston Martin
01 Introduction and safety02 Electrics03 Body and trim04 Air conditioning05 Diagnostic system (PDU)
Aston Martin DB7 Factory Workshop Manual Volume 2: Electrics, Body and Air Conditioning (1994-1998)05 · Diagnostic system (PDU)
05 · Diagnostics

Print Facility

Make
Aston Martin
Model
DB7 Factory Workshop Manual Volume 2: Electrics, Body and Air Conditioning
Year
1994–1998
Section
Operating instructions › Print Facility
Diagnostic system (PDU)Print Facility

Print Facility

The print trace and print screen facilities provided on DB7 CD2 will enable the Dealer to print directly to a serial printer via an isolated RS 232 cable.

General Information

This cable is designed to provide full electrical isolation between the Portable Diagnostic Unit (PDU) and a device using the RS232 serial communication port. The cable is constructed with an in-line module that contains the optical isolation circuitry, powered from the PDU.

Printer type

The cable is supplied configured to suite an Epson LX300 printer. This is the only installation verified and approved by Aston Martin Lagonda Ltd.

Unexpected results may occur if used with an unapproved printer.

Part NumberEquipment type
3539-1114-03Epson LX300 printer cable kit
comprising
3539-1169-03Printer Cable
3539-1175-02User Self Test Adaptor

Connecting to the PDU

Connection to the PDU RS232 port is made by plugging the circular connector with the BLUE ident ring into socket (1) on the PDU interface panel.

RS232 Printer Cable

RS232 Protocol

The RS232 protocol operated by the PDU is 9600 baud, 8 bit, no parity, 1 stop bit, RTS / CTS hardware handshake.

Printer Configuration

When connected to the printer a hardcopy of the PDU data can be produced.

Connection diagram showing PDU, Isolator, RS232 Cable, 25 Way Connector, and Printer

Printer Connection

When connecting to the printer please record original printer settings prior to making any changes. Neither GenRad nor Aston Martin Lagonda can accept responsibility for re-configuration of the printer for other applications.

Self Test Adaptor

Each cable type is supplied with a User Self Test (UST) adaptor. This allows the function of the cable to be verified independently of a printer. Future releases of UST software will include testing procedures for this cable.

Parts & tools for this job For 1994 Aston Martin DB7

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