Lucent Technologies DDM-2000 OC-3

363-206-285
Transmission and Synchronization Interfaces
Issue 3 June 2001
5-13
Figure 5-7. DDM-2000 OC-3 Multiplexer Block Diagram—FiberReach Stand-Alone Host
Configuration
Low Speed
8(P)
7
6
5
4
3
2
1
DS1
VT-G
Function
Unit
2(P)
1
STS-1
MXRVO
DS3
DS1
Function
Unit
2(P)
1
STS-1
STS-1
3
1
2(P)
OC-3
OC-3
1
2(P)
Function
Unit
Main
1
2(P)
DS1
DS1
DS1
DS1
Reference
Outputs
Intrashelf
Timing to Main
and Function
Unit Slots
Timing
Control
SYSCTL OHCTL
TG
DS1
28
DS3
OLIU
(Note 1)
OLIU
(Note 2)
Note:
External
Reference
Inputs
Receive
Clocks from
OLIUs
OC-1
OC-1
OC-1
OC-1
1. 27-type OLIU
2. 22-type OLIU
tpa 851644/01