Manual
Nortel Secure Router 8000 Series
Configuration -WAN Access
Figures
Figure 4-1 STM-N frame structure......................................................................................................................4-3
Figure 4-2 Process of multiplexing E1 to STM-1...............................................................................................4-4
Figure 4-3 Process of multiplexing T1 to STM-1...............................................................................................4-4
Figure 4-4 Sequence of arrangement of TUG-3, TUG-2 and TU-12 in VC-4
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4-5
Figure 4-5 Networking diagram of connecting routers directly through POS interfaces
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4-27
Figure 4-6 Networking diagram of using STM-1 CPOS interface....................................................................4-30
Issue 5.3 (30 March 2009)
Nortel Networks Inc.
iii