Glossary
GL-14 July 2008 Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06
ONT Product Information Manual Edition 01 3FE 51892 AAAA TCZZA
PCI Peripheral Component Interconnect
PCM Pulse Code Modulation
A form or modulation used to sample a voice signal and convert the sample
into a digital code. A digital modulation method that converts a pulse
amplitude modulated signal into a digital signal.
PCR Peak Cell Rate
The Peak Cell Rate in cells/sec; the cell rate that the source may never
exceed.
PDF Power Distribution Frame
PE Protective Earth
PHY Physical (Medium independent)
PID Protocol Identifier
A part of the SNAP header that identifies the protocol to be encapsulated.
PLID Physical Location Identification
PLOAM Physical Layer Operation Administration and Maintenance
PM Performance Monitoring
A type of transport measurement that provides the continuous collection of
performance data.
PoE Power over Ethernet
A technology that enables the transmission of electrical power, along with
data, to remote devices over unshielded twisted-pair wiring in an Ethernet
network.
P-OLT Packet Optical Line Termination
The fully assembled shelf in the 7342 ISAM FTTU system. The P-OLT
consists of two NT cards (for redundancy), one AACU card, and 18 LT
cards.
PON Passive Optical Network
A fiber-based network that uses passive splitters to deliver signals to
multiple users.
POTS Plain Old Telephone Service
Term used to describe narrowband, voice-only telephone service.
PPP Point-to-Point Protocol
A protocol that allows a computer to use TCP/IP with a standard telephone
line and a high-speed modem to establish a link between two terminal
installations
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