ABR (available bit rate) emulator
Analogue datacom testers
Codec analysers
Digital communication analysers
Error detectors
Error rate measurement
ISDN interface monitor
ISDN system test/analysis
Multichannel data generators
PCM (pulse code modulation) testers
Protocol analysers
Pulse pattern generators
Signal analyser/frame analyser
Signalling test sets
Transmission impairment measurement (TIMS)
xDSL system testers