User manual

Chapter 4 - Hardware Description
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Figure 4-16: Net-2/Net-4/Net-8 ISDN/T1-CAS and Net-8L ISDN Network Interface
Module
TDM Interface
DPR
COM
Processor
Card
Manager
Front
Panel
LEDs
Watch
Dog
HDLC Interface
PHYI/F
FRAMER
TDM I/F