Table of Contents

Definitions of Acronyms

Definitions of Acronyms

This appendix describes the Token Ring and FDDI acronyms used in this manual.

Acronym Description
A and C bits Address Recognized and Frame Copied bits
ARE All routes explorer
ARP Address Resolution Protocol
ASN.1 Abstract Syntax Notation One
BPDU Bridge Protocol Data Unit
CEM Configuration Element Manager
CFM Configuration management
CTS Clear to send
D Direction bit (in RIF)
DA Destination address or duplicate address
DAS Dual attachment station
DCE Data Communication Equipment
DSAP Destination Service Access Point
DSR Data set ready
DTE Data Terminal Equipment
DTR Data terminal ready
ECM Entity Coordination Management
ED End Delimiter
ELM Elasticity Buffer and Link Monitor
FDDI Fiber Distributed Data Interface
FDU FDDI uplink module
FS Frame Station
GND Ground
ID Identifier
IP Internet Protocol
LAN Local Area Network
LED Light emitting diode
LF Largest Frame bits (in RIF)
LLC Logical Link Control
LTH Length bits (in RIF)
MAC Media Access Control
MAU Media Access Unit
Mbps Megabits per second
MIB Management Information Base
MIC Media interface connector
MSB Most significant bit
NA Not applicable/Not available
NetBIOS Network Basic Input/Output System
NIC Network interface card
NVRAM Nonvolatile random access memory
PCM Physical Connection Management
POST Power-on self test
RARP Reverse Address Resolution Protocol
RC Routing Control (bits in RIF)
RDn Route Descriptor n (bits in RIF)
RFC Request For Comment
RIF Routing Information Field
RII Routing Information Indicator
RMON Remote Monitor
RMT Ring Management
RO Read-only
ROM Read-only memory
RT Routing Type bits (in RIF)
RTS Request to send
RW Read-write
RX Receive
SA Source address
SAS Single attachment station
SC Single exit connector
SC-Duplex Two single-exit connectors
SD Start Delimiter
SMT FDDI Station Management
SNMP Simple Network Management Protocol
SR Source Route
SRDB Source route data base
SRF Source route frames
SRF Status reporting frame (FDDI)
SRT Source route transparent
SR/TLB Source route to transparent bridge
STE Spanning-Tree explorer
STP Shielded twisted pair or Spanning-Tree Protocol
TB Transparent bridge
TD Transmit Data
TFTP Trivial File Transfer Protocol
TRX Token Ring switch
TTRT Target token rotation time
TVX Valid Transmission Timer
TX Transmit
UDP User Datagram Protocol
UNDA Upstream neighbor duplicate address
UPS Uninterruptable Power Supply
UTP Unshielded twisted pair
VDC Volts DC

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