Cisco ONS 15454 DWDM Installation And Operation Manual page 919

Chapter 18 Network Reference
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See
Table 18-12 Span Loss for 32-Channel Linear or Ring Networks with all ROADM Nodes Using SMF Fiber
10 Gbps
Number of
Spans Class A
1 35 dB
2 30 dB
3 28 dB
4 26 dB
5 25 dB
6 24 dB
7 23 dB
8 22 dB
9 21 dB
10 21 dB
1
11 18 dB
1
12 17
1
13 15
14 —
15 —
1. If the number of boosters is greater than 10 and power per channel is = to +1 dBm.
Table 18-13
OADM nodes using SMF fiber. Span loss values assume the following:
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See
Table 18-13 Span Loss for 32-Channel Ring and Linear Networks with ROADM and OADM Nodes Using SMF Fiber
10 Gbps
Number of
Spans Class A Class B
1 30 dB 23 dB
2 26 dB 19 dB
3 23 dB —
4 21 dB —
5 20 dB —
August 2005
OPT-PRE and OPT-BST/OPT-BST-E amplifiers are installed.
Table 18-2 for a list of cards in each class. A dash (—) indicates the spans that are not supported.
Class B Class C Class I
25 dB 25 dB 36 dB
21 dB 20 dB 32 dB
18 dB 17 dB 30 dB
— — 28 dB
— — 27 dB
— — 26 dB
— — 25 dB
— — 24 dB
— — 23 dB
— — 23 dB
— — 22 dB
— — 21 dB
— — 21 dB
— — 20 dB
— — 20 dB
shows the optical performance for 32-channel linear or ring network with ROADM and
All nodes in the ring or linear network are ROADM or OADM.
OPT-PRE and OPT-BST/OPT-BST-E amplifiers are installed.
Span losses are equal.
Table 18-2 for a list of cards in each class. A dash (—) indicates the spans that are not supported.
Class C Class I
24 dB 31 dB
19 dB 27 dB
— 25 dB
— 23 dB
— 22 dB
18.3.3 Optical Performance for ROADM Rings and Linear Networks
2.5 Gbps
Class D Class E Class F
37 dB 33 dB 30 dB
34 dB 28 dB 25 dB
32 dB 26 dB 23 dB
30 dB 24 dB 21 dB
29 dB 23 dB 20 dB
28 dB 22 dB 18 dB
27 dB 21 dB 14 dB
26 dB 20 dB —
25 dB 19 dB —
25 dB 18 dB —
24 dB 17 dB —
24 dB 15 dB —
23 dB — —
23 dB — —
22 dB — —
2.5 Gbps
Class D Class E Class F
34 dB 31 dB 28 dB
27 dB 26 dB 23 dB
26 dB 23 dB 21 dB
24 dB 22 dB 18 dB
23 dB 20 dB 13 dB
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
Class G Class H Class J
32 dB 34 dB —
26 dB 29 dB —
24 dB 27 dB —
22 dB 25 dB —
20 dB 23 dB —
19 dB 22 dB —
17 dB 20 dB —
— 18 dB —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
Class G Class H Class J
29 dB 30 dB 28 dB
26 dB 27 dB 23 dB
23 dB 24 dB 21 dB
21 dB 22 dB 18 dB
20 dB 21 dB 13 dB
18-13