Cisco D9858 Installation And Configuration Manual page 213

Output Mode
Full DPM Control
Transcoding
A message appears to confirm that you want to resynchronize the output
changes and PIDs to match the selected input programs. Click Yes.
If a conflict occurs and Enable Auto Map for Collision is set to No, a detailed list
of all the conflicts is displayed in the Output Channel and PID Conflicts table
when you click View Conflicts. You can then resolve the conflicts manually. If a
conflict occurs and Enable Auto Map for Collision is set to Yes, a message that
the conflicts will be fixed automatically and the Output Channel and PID
Conflicts table is empty.

For channel conflicts, the system will only automatically change the
duplicated output channel numbers. If both PE actions are set to Map or
XCode, the output channel number of the higher PE is changed. Otherwise,
the output channel number of the mapped and transcoded PE is changed.
The new channel number selected is the next channel number that does not
appear in the current PAT or belong to any other PEs.

For PID conflicts, the system will only automatically change t he duplicated
output PID numbers. If both PE actions are set to Map or XCode, the output
PID number of the higher PE is changed. Otherwise, the output PID number
of the mapped or transcoded PE is changed. For example, if the PMT PID of
PE1 matches the ES PID of PE2, the ES PID of PE2 is changed. The new PID
number selected is the next number that does not appear in the output of any
PE and it is not in the current transport input.
Description
The output will be generated according to the DPM settings on the
ASI Digital Program Mapping page. This is a manual control
setting.
The output will be generated using the DPM MAP settings, except
that the DPM Action will be set to XCode and the Descrambled
mode will be set to Descrambled. If the input is tuned to a valid
channel, the PEs are automatically set to XCode. Otherwise, the
PEs are automatically set to Drop.
Note: If the PE is transcoded, it uses the last valid input. The
output map (for example, output channel PMT) does not change
automatically if the input or channel number is changed.
Configuring Transport Stream Information
191