User's Manual

NDA-24300 CHAPTER 2
Page 5
Issue 1
SYSTEM MAINTENANCE OUTLINE
2.1 System Configuration
Figure 2-2 shows the system configuration of the fully expanded 4-IMG type. For details on each module
accommodation, see Figure 2-3 through Figure 2-5.
Figure 2-2 System Configuration
TOPU
PIM3
PIM2
FANU
PIM1
PIM0
LPM
BASEU
FRONT VIEW
IMG0
TOPU
PIM3
PIM2
FANU
PIM1
PIM0
TSWM
BASEU
IMG1
TOPU
PIM3
PIM2
FANU
PIM1
PIM0
DUMMY
BASEU
IMG2
TOPU
PIM3
PIM2
FANU
PIM1
PIM0
DUMMY
BASEU
IMG3
BASEU: Base Unit
DUMMY: Dummy Box
FANU: Fan Unit
LPM: Local Processor Module
PIM: Port Interface Module
TOPU: Top Unit
TSWM: Time Division Switch Module