Cabling and Specifications

Table 12 Gigabit Ethernet CWDM GBIC Laser Optic Parameters (continued)

GBIC Product Number

CWDM GBIC Wavelength

Color Identifier

 

 

 

CWDM-GBIC-1550=

Longwave 1550 nm laser single-mode

Yellow

 

 

 

CWDM-GBIC-1570=

Longwave 1570 nm laser single-mode

Orange

 

 

 

CWDM-GBIC-1590=

Longwave 1590 nm laser single-mode

Red

 

 

 

CWDM-GBIC-1610=

Longwave 1610 nm laser single-mode

Brown

 

 

 

General CWDM GBIC Installation and Usage Guidelines

The Cisco CWDM GBIC solution has two main components: the Cisco CWDM GBICs and the Cisco OADM plug-in modules or mux/demux plug-in modules, which are rack mounted in a Cisco CWDM OADM chassis external to the Cisco 12000 Series Router that contains the Ethernet line card.

The CWDM OADM plug-in modules and mux/demux plug-in modules are passive optical components that multiplex together multiple wavelengths from multiple SMF fiber pairs into one SMF fiber pair. Up to two CWDM plug-in modules can be rack-mounted by using the single-rack-unit CWDM chassis.

The CWDM GBICs plug into the standard GBIC receptacles on the faceplate of the Ethernet line card and are connected to the CWDM OADM or mux/demux plug-in modules in the external CWDM chassis using SMF jumper cables with SC-type connectors.

A Cisco 12000 Series Router equipped with an Ethernet line card and CWDM GBICs can be connected into a CWDM network through external CWDM plug-in modules in the following deployment scenarios:

•Point-to-point—Two endpoints are directly connected via a fiber link. You can add or drop up to eight Gigabit Ethernet channels into a pair of single-mode fibers.

•Hub-and-spoke(ring)—Multiple nodes (spokes) are connected with a hub location through a ring of single-mode fiber. Each hub/node connection can consist of one or more wavelengths, each carrying a full Gigabit Ethernet channel.

•Mesh (ring)—Combines the hub-and-spoke and point-to-point (or even multiple point-to-point) connections in parallel on the same CWDM optic link. The maximum of eight GBIC wavelengths allows different combinations of these scenarios.

Related CWDM Documentation

For more information about CWDM GBIC solution deployment, including the optical parameters (insertion loss and isolation values) for the CWDM OADM and mux/demux plug-in modules, see the following related documentation:

•Cisco CWDM GBIC Solution, Data Sheet

•Cisco CWDM GBIC Solution, Q & A

•Installation Note for the CWDM Passive Optical System

General Connection Rules for CWDM GBICs

Observe the following connection rules for CWDM GBICs:

•Always match the CWDM GBIC color with the equipment port of the same color on the CWDM passive optical system plug-in module.

Use the CWDM passive optical system connector color codes shown in Table 12 to help you connect your router to the CWDM passive optical system.

Cisco XR 12000 Series Router Ethernet Line Card Installation

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OL-7861-01

 

 

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Cisco Systems OL-7861-01 manual General Cwdm Gbic Installation and Usage Guidelines
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OL-7861-01 specifications

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