Digital Transmission Analyser with User Selectable Interface is designed for use with digital transmission system operating at 2 Mb/ s, 8 Mb/ s, 34 Mb/ s and 140 Mb/ s. The Transmission Analyser incorporates almost all the features for measurements on 30-channel PCM MUX equipment and up to IV order MUX equipment. The Transmission Analyser is available with user selectable interface like HDB3, AMI, NRZ and CMI. Digital Transmission Analyser with User Selectable Interface is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service.