Cisco ATM Cable DS-3 & E3, 3m CAB-ATM-DS3/E3-OEM Manual De Usuario

This chapter describes the PA-MC-T3 port adapter and contains the following sections:

The PA-MC-T3 is a single-width single-port, port adapter that provides one T3 interface connection 
using BNC connectors. (See 

.) The interface can provide up to 28 T1 lines (a single T3 group). 

Each T1 line is presented to the system as a serial interface that can be configured individually.