Chapter 1. Introduction1-6 TSU 600 User Manual 61202076L1-1Drop and Insert, Voice, and Router ApplicationThe TSU 600 provides a router interface with an Nx56/64 module. Adrop and insert module provides a second T1 interface to a remote TSU.T-WATCH PRO (which runs on a PC) easily manages the network. FXOmodules are used to provide PBX extensions to remote sites. See Figure1-3.Figure 1-3. Drop and Insert, Voice, and Router ApplicationSet UpROUTERROUTER0T-WATCHOK TEST ALARMOK TEST ALARMOK TEST ERROR ALARMDSUMODULECSU321ENTER654987#0*CBAFEDCLEARALARMREMOTESHIFTHOMECOPYCANCELTSU 100PBX
