Cisco Cisco ONS 15454 SONET Multiservice Provisioning Platform (MSPP) Guía De Diseño
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Figure 9-37: Passive DWDM Interface
IP &
TDM
1310
1550
In Out
1310 nm &
1550 nm
1550 nm
Passive
Coupler
Coupler
Figure 9-38 shows the shelf layout for an ONS 15454 Passive Wavelength Multiplexing node.
Figure 9-38: Passive Wavelength Multiplexing Node
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12-1 LR
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-48-1
-48-1
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-48-1
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Ethernet Applications
The Cisco ONS 15454 integrates Ethernet into a SONET time-division multiplexing (TDM)
platform. The ONS 15454 supports E-Series, G-Series, and ML-Series Ethernet cards.
The ONS 15454 E-Series cards include the E100T-12, E100T-G, E1000-2, and E1000-2-G. An
ONS 15454 supports a maximum of ten E-Series cards. You can insert these cards in any
multipurpose slot. Use the E-Series cards if your application requires Layer 2 switching. These
cards support point-to-point, hub and spoke, and shared packet ring topologies with a maximum
circuit size of STS-12c.
The G-Series cards include the G1000-4 and G1K-4. These cards map up to four Gigabit
Ethernet interfaces onto a SONET transport network. G-Series cards provide scalable and
provisionable transport bandwidth at signal levels up to STS-48c per card. The G-Series cards
provide line rate forwarding for all Ethernet frames (unicast, multicast, and broadcast) and can be
configured to support Jumbo frames (defined as a maximum of 10,000 bytes). Use the G-Series
cards if your application is for an Ethernet private line service providing transparent LAN services
(TLS), line rate GigE, and high-availability transport for applications such as storage over
MAN/WANs. You can independently map the four ports on the G-Series card to any combination
of STS-1, STS-3c, STS-6c, STS-9c, STS-12c, STS-24c, and STS-48c circuit sizes, provided the
sum of the circuit sizes that terminate on a card do not exceed STS-48c.