User Manual

Software descrIptionNortel Networks Confidential 4–15
S8000/S8002/S8006 BTS Reference Manual
4.2.4 TIL software functions
TIL is an application running on a PC in the WINDOWS 95 environment. The TIL
application is connected to the BCF or CBCF through an ethernet connection.
The TIL is designed to do the following:
validate the BTS in the factory
install the BTS site
perform diagnostics of hardware problems
check equipment substitution
check the equipment extension within a cabinet
Ethernet
This unit is installed in the PC. It provides the level 1 and 2 communication layer.
Level 1 is a hardware driver. The level 2 protocol is an LAPD UI frame. TCP–IP
Protocol is used.
L3 TIL
This software unit manages all the boards of the BTS by establishment of a network
with all the GSM entities of the BTS. It integrates the factory and installation test
environment.
The TIL takes the following testing into consideration:
the conformity of the cabinet configuration
the validity of the data links
the external BTS PCM
the connectors in the cabinet for cabinet extensions