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Lucent Technologies DDM-2000 OC-12 - Page 162

Lucent Technologies DDM-2000 OC-12
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363-206-295
Transmission and Synchronization Interfaces
Issue 1 December 1997 5-15
Figure 5-6. Synchronization Timing Configurations (Sheet 2 of 2)
DDM-2000 DDM-2000
CO
Clock Source
(Stratum 3 or better)
(Stratum 3 or better)
DS1 DS1
External Clock
CO
DDM-2000 DDM-2000
CO
Clock Source
(Stratum 3 or better)
(Stratum 3 or better)
May be Plesiochronous
DS1 DS1
External Clock
CO
(c) External Timing Configuration
(d) External Timing Plesiochronous (BBF2B)
TG
TG
DS31/OC3/OC3c DS3/OC3/OC3c
TG
TG
DS31/OC3/OC3c DS3/OC3/OC3c
Derived DS1 Timing
Output From Sync
Out Mode
OC-12
OC-12

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