Architecture
Nortel Networks Confidential
3–38
PE/DCL/DD/0063
411–9001–063
Standard 12.07/EN September 2000
GSM/BSS V12
BB_FILTCHIF
RAM
AMNU
DSP DECOD DSP DECOD
RAM
DSP TRANS DSP TRANS
RAM RAM
Receivers
FH bus
GSM TIME bus
SPU (A Chain) SPU (B Chain)
DSP EGAL
DPRAM DPRAM
Figure 3–11 DCU8 unit diagram
