231378 ⎘
Selecting arrangements for multiplex systems for time-division multiplexing; Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals; Details Selection or connection testing arrangements
OPTICAL NETWORK TEST INSTRUMENT INCLUDING TESTING FOR OPTICAL NETWORK UNIT AND OPTICAL LINE TERMINAL ASSIGNMENT
#2Data Cable Management System and Method
#3Line terminal for determining operational status of a U interface
#4Recording in a distributed environment
#5System for measuring the effect of an ADSL splitter
#6Third party recording of data transferred using the IP protocol
#7System and method for notification of power system status
#8Test device for data services
#9Test system for assessing DSL capability of telephone lines
#10Fault isolation constructs for POTS emulation service on an FTTx platform
#11Telecommunications transmissions test set
#12System for maintaining an active data link layer for ISDN call processing during a software reset operation
#13Method for transferring information and associated network transition units