Cisco ONS 15454 DWDM - Page 921

18-15
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 18 Network Reference
18.3.3 Optical Performance for ROADM Rings and Linear Networks
Table 18-15 shows the pass/fail criteria for 16 ROADM nodes (15 spans) required for any-to-any node
circuit reconfigurations.
• All nodes in the ring are ROADM.
• Span losses are equal.
See Table 18-2 for a list of cards in each class. A dash (—) indicates the spans that are not supported.
13 OPT-PRE and
OPT-BST/
OPT-BST-E
Yes <7 <7 Yes Yes Yes Yes Yes Yes —
14 OPT-PRE and
OPT-BST/
OPT-BST-E
Yes <7 <7 Yes Yes Yes Yes Yes Yes —
15 OPT-PRE and
OPT-BST/
OPT-BST-E
Yes <7 <7 Yes Yes Yes Yes Yes Yes —
Table 18-14 Pass/Fail Criteria for 32-Channel, Eight-Node ROADM Rings Using SMF Fiber (continued)
Span
Loss (dB)
Amplifiers
Installed
10 Gbps 2.5 Gbps
Class A Class B Class C Class I Class D Class E Class F Class G Class H Class J
Table 18-15 Pass/Fail Criteria for 32-Channel, 16-Node ROADM Rings Using SMF Fiber
Span
Loss (dB)
Amplifiers
Installed
10 Gbps 2.5 Gbps
Class A Class B Class C Class I Class D Class E Class F Class G Class H Class J
1 OPT-PRE only <15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
2 OPT-PRE only <15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
3 OPT-PRE only <15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
4 OPT-PRE only <15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
5 OPT-PRE only <15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
6 OPT-PRE only <15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
7OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
8OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
9OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
10 OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—
11 OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes Ye s < 15
1
<15
1
<15
1
<15
1
—