Description Of Interface Signals - Toshiba MR-3022 Service Manual

2.6

Description 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.
MR-3018/3020/3021/3022
GENERAL DESCRIPTION
RADF
REQ
DF-ACK
TxD
DF-REQ
ACK
RxD
Fig. 2-5
2 - 6
05/12
Equipment
© 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved