Technical data

With the RPL_UPD_M service, the data remain in the buffer until the buffer

is overwritten. This means that the data can be read out more than once.

How the data are written to the buffer:

(Evaluation of status word))

RECEIVER

Confirmation

When the data are entered in

buffer, the condition code word

of the receiver changes.

The acknowledgment consists

of an 8-byte header and can

be received with the

RECEIVE HDB

The receiver supplies the

buffer with data (responder

function), which the sender

fetches with the SRD service.

To allow this, the receiver sends

this data with an 8-byte header

to its own CP with the SEND HDB

(Evaluation of status word))

Fig. 8.9 RPL_UPD_S service

B8976060/02 Free Layer 2 Communication

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