User Manual

Software descrIptionNortel Networks Confidential 4–1
S8000/S8002/S8006 BTS Reference Manual
4 SOFTWARE DESCRIPTION
4.1 BTS software presentation
BTS software is divided into downloadable files and an onboard PROM.
4.1.1 Downloadable files
The BSC downloads these files via the A–bis interface.
There are two sets of files, BCF and DRX (or e–DRX). Each set is arranged in a file
catalogue that contain the list of files and the files themselves.
4.1.2 PROM
PROM chips are read-only memory units used to store software.
They are all installed on all BTS equipment boards.
4.1.2.1 S8000 BCF software
Boards serving the BCF are described in Table 4–1:
Board
Software product
name
Software product
type
CSWM
PE_CSWM_B
PE_CSWM_L
BOOT
LOAD
PCMI
PE_BS_DTI_E1
or
PE_BS_DTI_T1
PROM
SYNC PE_SYN PROM
DSC PE_DCC PROM
GTW PE_GTW PROM
ALCO PE_BS_ALO PROM
Table 4–1 BCF software product names