... Transmission Analyzers can be used to test the digital channels with 2Mbit/s interfaces and with V.24/V.28/RS232, V.35 ... of Figure 10.1.(4) Input balance response: Attenuation complies with the law of square root of frequency, and is within ... .2) Frame structure: PCM30, PCM31, PCM30CRC, PCM31CRC,Frame structure complies with the requirement of G. 704.(7) Testing pattern: 26-129 ...