Network Monitoring Software from GL Communications, Inc.

WCS LAPD Server over T1 E1 -- XX661


 
 
WCS LAPD Server over T1 E1 -- XX661 -- View Larger Image
WCS LAPD Server over T1 E1 -- XX661-Image

LAPD Server is GL's WCS based server module which runs as a special task under the GL Server. The WCS LAPD Server provides Layer 3 LAPD protocol services over GL's T1 E1 boards. It permits to create multiple LAPD links of various bandwidths (time-slots, sub-channels) and provides UDP interface to the client applications for generating & receiving LAPD payload over these created LAPD streams.

LAPD is the protocol used on ISDN's (Integrated Services Digital Network) D channel. Link Access Procedures on the D channel (LAPD), specified in ITU-T Q.920 and ITU-T Q.921, is the second layer protocol on the ISDN protocol stack in the D channel. The LAPD Server provides LAPD protocol services over GL's T1/E1 boards. It permits to create multiple LAPD links of various bandwidths (time-slots, and sub-channels) and provides UDP interface to the client applications for generating and receiving LAPD payload over these created LAPD streams.

Main Features

  • Provides multiple data link connections on a single physical link
  • Ability to detect errors and recover from lost, erred or duplicated information
  • Releases data link connections
  • Maintains flow control of transfer of data
  • Supports Automatic TEI Assignment Procedures
  • Upon detection of an error it re-initializes data link connections
  • Supports both User and Network end


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GL Communications, Inc.