Toshiba MR-3018 service manual Description of Interface Signals

2.6Description of Interface Signals

The following 6 lines are used to transmit/receive signals between the equipment and the RADF.

REQ	Communication request signal (from equipment to the RADF)
DF-REQ	Communication request signal (from the RADF to equipment)
DF-ACK	Communication request acknowledging signal (from the RADF to equipment)
ACK	Communication request acknowledging signal (from equipment to the RADF)
TxD	Data transmitted from equipment to the RADF
RxD	Data transmitted from the RADF to equipment

Data communication (RxD and TxD) between the scanner and the RADF has adopted the serial com- munication system which does not allow checking using testing devices to see whether the signals are transmitted/received properly in the field.

RADF Equipment

REQ

DF-ACK

TxD

DF-REQ

ACK

RxD

Fig.2-5

MR-3018 GENERAL DESCRIPTION June 2005 © TOSHIBA TEC

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