User Manual

e1152.doc
Data and design subject to change without notice. Supply subject to availability
© Copyright by CERBERUS AG, CH-8708 Männedorf, Switzerland 1995
07.93 7
CDDL Protocol - Data link level
4.4 Waiting
The master station sends a packet without data instead of a polling sequence when it
wants to signify it is no longer able to receive and manage information.
The slave station answer must be [DLE, ACK] if it correctly understood the message.
Otherwise the answer must be [DLE, NAK].
The waiting sequence is shown in Fig.: 5.
Fig.: 5