Cabletron Systems ZX-250 Manual Do Utilizador

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A-8   SmartCell ZX-250 User Guide
  Acronyms
Q
R
PDU
Protocol Data Unit
PGL
Peer Group Leader
PMD
Physical Media Dependent Sub-layer
PMP
Point-to-Multipoint
P-NNI
Private Network Node Interface or Private Network-to-Network Interface
PPD
Partial Packet Discard
PROM
Programmable Read-Only Memory
PTI
Payload Type Indicator
PTP
Point-to-Point
PTSE
PNNI Topology State Element
PTSE
PNNI Topology State Packet
PVC
Permanent or Provisioned Virtual Circuit
QOS
Quality of Service
QSAAL 
Q-Signaling ATM Adaptation Layer. (Q represents the Q-series of the 
ITU-T (International Telecommunications Union).
R
Read-Only Access
RAM
Random Access Memory
RCC
Routing Control Channel
RCR
Raw Cell Received
RD
Receive Deactivated
RFC
Request for Comment