Agilent Technologies 622Vu Advisor, User Manual

Page: 169 / 244

Use these fields
to set the CPCS
values at the end
of the payload.
Field Description
PAD Character with which to fill unassigned positions in the payload.
UU Indication User-to-user indicator (generally zero).
CPI Common Part Indicator, or message type (generally zero).
Length Length of the entire packet (data only, excluding any end-of-datagram
signal).
CRC Computed CRC checksum for the payload.
Special Settings
There’s one Special field, used to specify whether in-payload-timestamp-
generation is on or off for the cell. With this property on (the check box
marked), 622Vu Advisor places a timestamp in the cell payload before it’s
transmitted, overriding bytes 8–10 and 12–14 for this purpose:
Use these fields
to set the CPCS
values at the end
of the payload.
Note: If you insert a timestamp then remove it (by clearing the check box), the positions that were
formerly reserved remain set (to 00) in the payload, although they can now be modified.
9: Editing Transmit Sequences
9.4 Defining the Cells In a Sequence
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