Nortel Networks DCT1900 manual Hardware Building Blocks, Radio Exchange

Technical Product Manual - DCT1900

System Description, Hardware Building Blocks

CHAPTER 3

Hardware Building Blocks

The hardware building blocks of the DCT1900 system are (see Figure 3-1)

zRE

zBase Stations

zPortable Telephones

PWT/PWT(E)

Covered Areaair interface (Cell)

Portable Telephone

Base

Station

Radio Exchange

Telephone Network

Fig. 3-1 Basic Parts of a DCT1900 System

3.1Radio Exchange

The RE interfaces between the PBX/MS and the Base Stations. Incoming and outgoing calls are routed via the RE.

The RE may be connected to the PBX via an E1 connection, T1 connection, standard analog two– wire lines or possibly a digital interface. The RE may connect to the MS via an E1 or T1 CCS interface.

Standard RS232 ports on the cabinet make it possible to connect a personal computer and a printer or a SMS server (in SA mode) to the system. The personal computer is necessary for system initialization, system fault tracing, system statistics information retrieval, and Short

System-DCT1900/R8/mw	3-1
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