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18-7
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 18 Network Reference
18.3 Optical Performance
DWDM client cards are grouped into nine classes, shown in
. Span loss estimates are based
on the number of spans in the network and the client card class. Some cards belong to more than one
class depending on whether forward error correction (FEC) is enabled and on the payload data type
provisioned for the card.
Table 18-1
Supported Topologies and Node Types
Number of Channels
Fiber
Topologies
Node Type
32 channels
SMF-28
1
E-LEAF
2
TW-RS
3
1.
SMF-28 = single-mode fiber 28
2.
E-LEAF = enhanced large effective area fiber
3.
TW-RS = TrueWave reduced slope fiber
Ring
Linear
Linear without OADM
Hub
Active OADM
Passive OADM
Terminal
Line
OSC regeneration
16 channels
SMF-28
Ring
Linear
Linear without OADM
Hub
Active OADM
Passive OADM
Terminal
Line
OSC regeneration
8 channels
SMF-28
Linear without OADM
Terminal
Line
Table 18-2
ONS 15454 Client Card Classes
Class
Rate
Clients
A
10 Gbps
TXP_2.5G_10G—FEC enabled
TXP_2.5G_10E—FEC enabled
TXP_MR_10G—FEC enabled
TXP_MR_10E—FEC enabled
B
10 Gbps
TXP_2.5G_10G—FEC not enabled
TXP_MR_10G—FEC not enabled
C
10 Gbps
OC-192 LR ITU
TXP_2.5G_10E—FEC not enabled
D
2.5 Gbps TXP_MR_2.5G—FEC enabled
TXPP_MR_2.5G—FEC enabled
Summary of Contents for ONS 15454 DWDM
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