User Manual

Architecture
Nortel Networks Confidential
3–4
PE/DCL/DD/0063
411–9001–063
Standard 12.07/EN September 2000
GSM/BSS V12
PA
TRX
DRX (**)
DRX Logic
part
CPCMI CMCF
CBCF (*)
Private PCM
RECAL
DRX Radio
part
Private
PCMs
Note: (*) The two interconnection boards of the CBCF module (BCFICO and CBP) are not shown.
(**) DRX or e–DRX.
FH bus
Private PCMs
External PCMs
Transmitter coupler
subsystem
Reception coupler
subsystem
Figure 3–2 Subsystem architecture with CBCF