... and 120 interfacesHDB3 and AMI line codesOut-of-service 2Mb/s, N×64kb/s BER testing2) Datacom testingDatacom (V.24, V.35, ... -Up to 99 days continuance test performance Specifications: ItemDescription2MInternal Clock2048kb/s ± 10ppmFrequency Deviation±999ppmLine Interface75Ω (Unbalanced), 120Ω (Balanced); High ... 8, 7.2, 9.6, 19.2, 38.4kb/s, N×64kb/s ( N=1- 32),4M,8Mkb/sTest PatternsPRBS223-1,220-1, ...