CTP2000 Series T1/E1 Interface Module
The CTP2000 Series T1/E1interface 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.)
Figure 1: CTP2000 IM-8P-T1/E1 Interface Module