Product Description

ESMB *****9A.**1 *****9A.**2 Flexi Multiradio System Module(*8TRX) Base Station NSN Nokia

Flexi Multiradio System Module (ESMB/C)

The Flexi Multiradio System Module provides the GSM/EDGE functionality to the BTS.

It provides internal and external BTS connections, and stores and runs the GSM/EDGE

BTS software.

The System Module also receives and stores the unit identification information of all

other units of the BTS. ESMB and ESMC System Modules support configurations of up

to *8 and *6 TRXs respectively.

The main functions of the ESMB/C are:

• GSM/EDGE BTS Operation and Maintenance

• Abis interfacing

• Open Base Station Architecture Initiative (OBSAI) connectivity

• Power distribution to other modules

• GSM/EDGE baseband

• BTS synchronization

External and internal interfaces in ESMB/C are:

• *8V DC distribution, 4 outputs and 1 Auxiliary output

• Abis interface

• External Alarm and Control Interface

• 4 optical interfaces (OBSAI RP**1)

• Auxiliary equipment interfaces

Q1

Flexi Power Alarms (FPA)

• Local Management Port (LMP)