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Possible Types of Protection
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Single and Multiple Group Generic Tributary Card Protection Rules
OMS 1260 generic tributary cards can be organised in groups, where each group has
a protection card. See Table 7-4.
Table 7-4: Slot Position Rules for OMS 1260 Generic Tributary Cards and Protection
01
Single group generic tributary card protection examples. See notes below.
1
2
3
4
5
Note:
Note:
Table 7-5: Slot Position Rules for Generic Tributary LTUs and 2M Balanced LTUs
Trib Description
Tributary
2M Trib 1 (ports 1-21)
Group 1
2M Trib 1 (ports 22-42)
2M Trib 1 (ports 43-63)
221 02-ZAP 701 25/1 Rev C 2006-08-04
03PHB00004AAV-CUA
For 1:N protection groups the protection trib must be fitted in the next
generic trib slot to the right of the worker group. Workers must be fitted in
adjacent generic trib slots.
It is possible to have multiple 1:N protection groups. Each group has a
dedicated protection trib.
Unprotected Tribs (all different types)
1+1
1:N (1:6- i.e max)
Multiple 1:N (protection other side of Core Cards)
Multiple protection groups including 1:1 and 1:N
02
03
04
05
U
U
W
P
W
W
W
W
W
P
1: Key: W=Worker card, P=Protection card, U=Unprotected card, N=Not
fitted
2: The protection card must be fitted to the right of the card or group of cards
which it is protecting.
Trib Slot
Number
S1_01
S1_01
S1_01
Technical Product Description
Options
Slot S1_ ...
06
07
08
09
U
N
W
P
W
LTU Description
2M LTU 1A
2M LTU 1B
2M LTU 1C
© Ericsson AB 2006
Commercial in confidence
Marconi OMS 1200
10
11
12
13
U
U
U
N
N
N
W
W
W
W
W
W
P
W
W
LTU Slot
Number
S3_01
S3_02
S3_03
67 (136)
14
15
U
N
P
P
P
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