Cisco Cisco Explorer Set-top Software Version 2.1 Mode D'Emploi
Glossary
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NVM
non-volatile memory. Memory that holds its content when the device it is associated with is
turned off.
O
one-way operation
Operation in which transmission is made in only one direction (from the headend to the
subscriber).
OOB
Out-Of-Band. See FDC.
OOB signaling
Data is sent through an addressable transmitter to subscribers on a separate RF carrier outside
of the normal frequency range.
P
PAT
program association table. A second table in the transport stream which contains a list of all
MPEG programs on the transport stream along with their associated program numbers.
PCR
program clock reference.
PEI
Packet error indication.
PER
Pipeline errors.
PHAL
Platform hardware adaptation layer.
PID
packet/program identifier. A number assigned to MPEG transport packets to identify the
contents of the data and the information stream to which they belong. The 13-bit PID number
is assigned in the MPEG-2 transport packet headers. All packets from the same stream have
the same PID number.
PIP
Picture-in-Picture. Allows you to watch more than one TV program (channel) at the same