... and routine maintenance testing of 2M system, N×64K communication channels.SAT-1CS 2M Transmission Analyzers can ... 1211-1215-1220-1223-1, and artificial codeInput ImpedanceDatacom Inde(1) Data interface type: V.24, V.35, V.36, X.21, ... code insertion: None, single, or ratio 10-1 ~ 10-7.(3) Receiver(3.1) SYNCH modeClock source: Internal or external ... : 5%90%, non-condensing 2M Transmission E1 BER Tester