Lucent Technologies FT-2000 OC-48 - Provisioned Externally Timed and All Other Nodes; Provisioned Line Timed (Without Timing Drops)

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Control, Transmission, and Synchronization Interfaces

5-32 Issue 8.0 July 2002

Figure 5-19. Example of a Ring Application with One Node

Provisioned Externally Timed and All Other Nodes

Provisioned Line Timed (Without Timing Drops)

NOTE:

In (Figure 5-19) synchronization messages (DUS and STU) are shown as

they are transmitted on the OC-48 line.

FT-2000

Line Timed

DS3/EC-1/OC-3

IS-3/OC-12

DS3/EC-1/OC-3

IS-3.OC-12

DS3/EC-1/OC-3

IS-3/OC-12

P = TIMING IN PRI to TG3-1

S = TIMING IN SECY to TG3-2

BITS

Externally Timed

Node A

Node B

Node C

Node D

Provisioning Modes:

Node A: External with no Back-up

Node B: Line Timed, Reconfiguration enabled

Node C: Line Timed, Reconfiguration enabled

Node D: Line Timed, Reconfiguration enabled

STU

DUS

STU