Table of Contents
Advertisement
APPENDIX B: WAN TERMS AND ACRONYMS
SDLC
SNA
T-1
T1.617-D
TDM
Timeslot
WAN
WPIM
B-4
Synchronous Data Link Control, layer 2 (link layer) protocol
developed by IBM for SNA connectivity. Basis for HDLC.
Systems Network Architecture, data communication network
architecture developed by IBM in the 1970's.
A Bell System term that refers to the physical carrier used to
transmit a digital signal at 1.544 Mbps.
T1.617 Annex D, an ANSI link management protocol specifi-
cation used in Frame Relay.
Time Division Multiplexing, a technique in which separate
data or voice signals are transmitted simultaneously over a sin-
gle communications medium based on time interleaving.
A standard 64,000 bit/second channel. Synonymous with DS-0
(Digital Signal, level 0).
Wide Area Network, a network spanning a large geographic
area.
WAN Physical Interface Module, Cabletron Systems modules
that provide connectivity/functionality for WAN modules such
as the BRIM-W6.
WPIM-E1 LOCAL MANAGEMENT GUIDE
Advertisement
Table of Contents
