Optical Performance For Roadm Rings And Linear Networks; Table 16-11 Span Loss For 8-Channel Linear Networks Without Oadm Nodes Using Smf Fiber; Table 16-12 Span Loss For 32-Channel Linear Or Ring Networks With All Roadm Nodes Using Smf Fiber - Cisco ONS 15454 DWDM Installation And Operation Manual

Chapter 16 DWDM Network Reference
See
Note
client class.

Table 16-11 Span Loss for 8-Channel Linear Networks without OADM Nodes Using SMF Fiber

10 Gbps
Number of
Spans Class A
1 37 dB
2 34 dB
3 31 dB
4 29 dB
5 27 dB
6 —

16.3.3 Optical Performance for ROADM Rings and Linear Networks

The following tables list the reference optical performances for ROADM rings and linear networks.
Table 16-12
only ROADM nodes installed. Span loss values assume the following:
•
•
•
See
Note
client class.

Table 16-12 Span Loss for 32-Channel Linear or Ring Networks with all ROADM Nodes Using SMF Fiber

10 Gbps
Number of
Spans Class A
1 34 dB
2 29 dB
3 28 dB
4 25 dB
5 24 dB
6 23 dB
7 22 dB
8 21 dB
9 20 dB
10 19 dB
December 2004
Table 16-2 for client card class definitions. A dash (—) indicates the spans are not available for that
Class B Class C Class I
31 dB 31 dB 37 dB
27 dB 26 dB 36 dB
24 dB 23 dB 33 dB
— — 31 dB
— — 29 dB
— — 28 dB
shows the optical performance for 32-channel linear or ring networks using SMF fiber with
All nodes in the ring or linear network are ROADM.
OPT-PRE and OPT-BST/OPT-BST-E amplifiers are installed.
Span losses are equal.
Table 16-2 for client card class definitions. A dash (—) indicates spans that are not available for that
Class B Class C Class I
26 dB 26 dB 36 dB
21 dB 21 dB 32 dB
19 dB 18 dB 30 dB
— — 28 dB
— — 27 dB
— — 26 dB
— — 25 dB
— — 24 dB
— — 23 dB
— — 23 dB
16.3.3 Optical Performance for ROADM Rings and Linear Networks
2.5 Gbps
Class D Class E Class F
37 dB 37 dB 35 dB
37 dB 33 dB 30 dB
34 dB 30 dB 27 dB
31 dB 28 dB 25 dB
30 dB 27 dB 24 dB
— — —
2.5 Gbps
Class D Class E Class F
37 dB 33 dB 27 dB
33 dB 29 dB 27 dB
31 dB 27 dB 25 dB
29 dB 25 dB 23 dB
28 dB 24 dB 22 dB
27 dB 22 dB 21 dB
26 dB 21 dB 20 dB
25 dB 20 dB —
24 dB 19 dB 27 dB
23 dB 18 dB 25 dB
Cisco ONS 15454 DWDM Installation and Operations Guide, R4.7
Class G Class H Class J
37 dB 37 dB 35 dB
32 dB 34 dB 30 dB
29 dB 31 dB 27 dB
27 dB 29 dB 25 dB
26 dB 27 dB 24 dB
— — —
Class G Class H Class J
32 dB 34 dB —
28 dB 30 dB —
26 dB 27 dB —
24 dB 26 dB —
22 dB 24 dB —
21 dB 23 dB —
20 dB 22 dB —
18 dB 20 dB —
17 dB 19 dB —
14 dB 18 dB —
16-13