User Manual

Software descrIption

Nortel Networks Confidential

4–4

PE/DCL/DD/0063

411–9001–063

Standard 12.07/EN September 2000

GSM/BSS V12

4.1.2.5 S8002/S8006 BTS DRX/e–DRX software

The software products AMNU, SPU, DLU, BOOT, TX, BDT and BISTs are listed

below:

AMNU: It is the DRX/e–DRX management unit.

SPU: it enables level 1 radio communication with the mobile.

BDT: It extracts the GSM TIME carried on the private PCM.

TX: It manages and monitors radio transmission. it is installed on each DRX

board. It defines the FH bus input from which the TRX reads data, and defines the

transmission power to be used. it also forwards TX alarms to the CMCF and

controls the Power Amplifier (PA).

BISTs: Basis hardware self test programs of a BTS subsystem. An exemple is the

AMNU BIST which tests the components of the AMNU such as memory.

AMNU, BISTS, TX BOOT, BDT BOOT, and optionnally Cyphering ASIC

softwares are installed in factory.

Board Sofware product name Software product type

AMNU PE_AMNU_L

PE_AMNU_B

Load

Boot

SPU PE_SPU2G_EGAL_2

PE_SPU2G_DLU_DCS

Load

TX PE_TX_L_GSM Load

BDT PE_BDT_L Load

Table 4–5 S8002 BTS: DRX software product names