Lucent Technologies DDM-2000 OC-3, User & Service Manual

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ENT-CRS-VT1 17 of 3 Page ENT-CRS-VT1
5-4
5-3
5-2
5-1
4-4
4-3
4-2
4-1
7
Group
VT
3
Group
VT
2
Group
VT
1
Group
VT
Note
Note: Each STS-1 signal contains 28 VT1.5 signals.
M
3-3
7-4
7-3
7-2
7-1
6-4
6-3
6-2
6-1
3-4
3-2
3-1
2-4
2-3
2-2
2-1
1-4
1-3
1-2
1-1
Function Unit C
STS-1 #3
Function Unit B Function Unit A
STS-1 #2
STS-1 #1
N
I
A
Signals VT1.5 with Shelf DDM-2000 11-7. Figure
signals. STS-1 three contains signal OC-3 each 11-8, Figure in highlighted As
Group VT Each signals. of Groups VT seven contains signal STS-1 Each
individual an to corresponds signal VT1.5 each and signals, VT1.5 four contains
port. T1 or DS1
signal. STS-1 1 contains signals OC-1 two the of each pack, OLIU 27-type a In
OC-3 DDM-2000
2000 February 2 Issue
11-89