CTP2000 T1/E1 Interface Module
The CTP2000 Series T1/E1 interface module has RJ-48 ports numbered 0–7 left to right. It provides a configurable eight-port E1 (2.048 MHz) or T1 (1.544 MHz) interface with AMI or B8ZS encoding. (See Figure 1.) You can use the eight port T1/E1 interface module to interconnect digital voice applications with CESoPSN bundles.