... - featured hand-held, LCD display, Data storage, PC supported E1 tester 2M Transmission Analyzer Always in stock!Specifications ItemDescription2MInternal Clock2048kb ... 703 COLine Rate64kb/s ± 100ppmLine Interface120Ω, BalancedLine CodeAMIDatacomLine InterfacesV.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530, ... . Warranty card 1 pc11. Product Qualified Certificate 1 pc E1 tester 2M Transmission Analyzer