Cabletron Systems ZX-250 manual Pdu

Acronyms

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

Q

QOS Quality of Service

QSAAL Q-Signaling ATM Adaptation Layer. (Q represents the Q-series of the ITU-T (International Telecommunications Union).

R

R	Read-Only Access
RAM	Random Access Memory
RCC	Routing Control Channel
RCR	Raw Cell Received
RD	Receive Deactivated
RFC	Request for Comment

A-8 SmartCell ZX-250 User Guide