Lucent Technologies DDM-2000 OC-3

363-206-285
Transmission and Synchronization Interfaces
5-6 Issue 3 June 2001
Figure 5-3. DDM-2000 OC-3 Multiplexer Block Diagram — Hubbing
MXRVO
7
STS-1
STS-1
1
1
VT-G
1
STS-1
2(P)
2(P)
2(P)
8(P)
DS1
OC-3
OC-3
UnitLow Speed
OC-3
OC-3
2
7
6
5
4
3
1
28
DS1
Function
OC-3
1
Receive
Clock
2(P)
OC-3
Main
SYSCTL OHCTL
Control
1
2(P)
Timing
Receive
Reference
Inputs
DS1
DS1
DS1
DS1
Reference
Outputs
and Function
TG
Timing to Main
DS1External
Clocks from
OLIUs
Lucent
Intrashelf
Unit Slots
OLIU
(Note)
OLIU
(Note)
OLIU
(Note)