Cisco Systems 7600 manual LC Connectors, Figure B-7 LC Fiber-Optic Connector

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Appendix B Cable and Connector Specifications

Fiber-Optic Connectors

Make sure that you insert the connector completely into the socket. This action is especially important when you are making a connection between a module and a long distance (1.24 miles [2 kilometers]) or a suspected highly attenuated network. If the LINK LED on the supervisor engine or route switch processor does not light, try removing the network cable plug and reinserting it firmly into the module socket. It is possible that enough dirt or skin oils have accumulated on the plug faceplate (around the optical-fiber openings) to generate significant attenuation, reducing the optical power levels below threshold levels so that a link cannot be made.

Caution Use extreme care when removing or installing connectors so that you do not damage the connector housing or scratch the end-face surface of the fiber. Always install protective covers on unused or disconnected components to prevent contamination. Always clean fiber connectors before installing them.

For fiber-optic connector cleaning instructions, see the “Cleaning the Fiber-Optic Connectors” section on page B-15.

When you disconnect the fiber-optic cable from the module, grip the body of the connector. Do not grip the connector jacket-sleeve. Gripping the sleeve can, over time, compromise the integrity of the fiber-optic cable termination in the MT-RJ connector.

LC Connectors

The small form-factor pluggable (SFP) tranceiver modules used on the Supervisor Engine 720, Route Switch Processor 720, and RSP720-10GE uplink ports use either MT-RJ connectors or LC connectors depending on the SFP module vendor. Figure B-7shows an LC connector.

Figure B-7 LC Fiber-Optic Connector

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Caution Use extreme care when removing or installing connectors so that you do not damage the connector housing or scratch the end-face surface of the fiber. Always install protective covers on unused or disconnected components to prevent contamination. Always clean fiber connectors before installing them.

For fiber-optic connector cleaning instructions, see the “Cleaning the Fiber-Optic Connectors” section on page B-15.

When you disconnect the fiber-optic cable from the module, grip the body of the connector. Do not grip the connector jacket-sleeve. Gripping the sleeve can, over time, compromise the integrity of the fiber-optic cable termination in the LC connector.

	Cisco 7600 Series Router Supervisor Engine and Route Switch Processor Guide
B-14	OL-10100-04

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Contents Americas Headquarters Text Part Number OL-10100-04Copyright 2007-2008 Cisco Systems, Inc. All rights reserved N T E N T S Safety Precautions for Module Installation and Removal Cleaning the Fiber-Optic Connectors B-15 OL-10100-04 Contents Document HistoryChapter Title Description Document OrganizationDocument Conventions Convention DescriptionRelated Documentation OL-10100-04 Cisco 7600 Product Overview Cisco 7600 Series RoutersSupported Hardware Features Feature DescriptionFeature Description Port Addresses Physical Interface AddressesMAC Addresses FAN StatusRoute Switch Processors Supervisor Engines Overview Product Number Description Product Number RSP720-3CXL-GEWS-SUP720-3BXL WS-SUP32-GE-3BWS-X6K-S2U-MSFC2 Route Switch ProcessorWS-X6K-S2-MSFC2 WS-X6K-S2-PFC2Supported Chassis, Line Cards, and Modules RSP720 FeaturesUnsupported Hardware and Features RSP720-10GE Features RSP720 with 10GE Uplink PortsUnsupported Features Unsupported Chassis and ModulesRSP720-10GE Usage Guidelines and Limitations QoS on the RSP720-10GEQoS Configuration Guidelines Supervisor Engine 720 and Supervisor Engine Front-Panel Controls RSP720, RSP720-10GE, Sup720, Sup32Color Description Front-Panel LEDs RSP720, RSP720-10GE, Sup720, Sup32Component Description Supervisor Engine Supervisor Engine 2 Front PanelSection on page 3-10 for more information Off when you insert a card Preparing for Installation or Removal Safety Precautions for Module Installation and Removal Preventing Electrostatic Discharge DamageModule Slot Assignments Tools Required for Module InstallationDetermining Module Location Installing a Supervisor Engine or Route Switch Processor ModuleEjector Levers and Captive Installation Screws See Figure Removing a Supervisor Engine or Route Switch Processor Hot Swapping OIR Modules Removing and Replacing MemoryConnecting to the Console Port Connecting a TerminalSupervisor Engine Connecting to the Uplink PortsConnecting a Modem Module Uplink Ports Using Flash Memory Cards Locating the Flash PC Card Write-Protection SwitchInstalling a Flash Memory Card Removing a Flash Memory Card Power Management and Environmental MonitoringDetermining Software Feature Support Regulatory Standards Compliance Module SpecificationsSpecification OL-10100-04 Cable and Connector Specifications Limiting Connection DistancesUplink Port Transceiver Modules Transceiver Module Part Numbers1GE Uplink Ports and Cabling Specifications Product ID DescriptionMMF SMF10GE Uplink Ports and Cabling Specifications SMF ITU-TConsole Port Cabling Specifications Console Port Cabling Specifications and PinoutsGbic Module Cabling Specifications MHz km MicronConsole Port Signals and Pinouts Rate bps Distance feet Distance metersRollover Cable Signal RJ-45 Pin DB-9 PinRJ-45-to-RJ-45 RJ-45-to-DB-9 Console DeviceRJ-45-to-RJ-45 RJ-45-to-DB-25 Rollover Cable Modem Adapter Signal RJ-45 Pin DB-25 PinRJ-45-to-DB-25 Terminal Console RTS DTRConsole Port Console Device RJ-45 ConnectorConsole Port Mode 2 Signaling and Pinouts Sup2 Only Side 2 Pin Signal RD+ TD+ Not usedSide 1 Pin Signal Side 2 Pin Signal Fiber-Optic ConnectorsSC Connectors MT-RJ Connectors Figure B-5 SC Optical ConnectorLC Connectors Figure B-7 LC Fiber-Optic ConnectorCleaning the Fiber-Optic Connectors LX/LH Gbic and MMF Cable Considerations Patch CordPatch Cord Installation OL-10100-04 Active LED MACGBICs, connecting to Gigabit Ethernet cables Active ConsolePWR Mgmt LED Link LEDLX/LH Gbic NvramStatus LED System LED

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