Cisco Systems CGS 2520 manual Dual-Purpose Ports, Alarm Port, Alarm Ratings

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Appendix B Connector and Cable Specifications

Connector Specifications

Dual-Purpose Ports

The 10/100/1000 Ethernet ports on the dual-purpose ports use RJ-45 connectors.

Figure B-3 10/100/1000 Port Pinouts

Pin Label

1TP0+

2TP0-

3TP1+

4TP2+

5TP2-

6TP1-

7TP3+

8TP3-

1 2 3 4 5 6 7 8

60915

Alarm Port

The alarm port uses an RJ-45 connector. See the “Alarm Ports” section on page 1-7for more information.

Figure B-4 Alarm Port Pinouts

Pin	Alarm connection

1Alarm 1 input

2Alarm 2 input

3Normally closed

4Alarm 3 input

5Alarm 4 input

6Normally open

7Alarm output common

8Alarm input common

1 2 3 4 5 6 7 8

2074 43

Alarm Ratings

The following lists the alarm rating information

•Alarm Input Electrical Specification: 8V @ 1mA

•Alarm Output Electrical Specification: 30V @ 1A

Note Due the RJ-45 design (connector pin spacing), the alarm output does not support AC voltage.

Cisco CGS 2520 Hardware Installation Guide

	OL-31444-01	B-3

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Contents Cisco CGS 2520 Hardware Installation Guide Page N T E N T S Wall-Mounting Troubleshooting Accessing the CLI Through the Console Port C-1 Preface Related Publications Obtaining Documentation and Submitting a Service RequestProduct Overview Switch Models Cable SideModel Description Cisco CGS-2520-16S-8PC Cable-Side View PortsPoE and PoE+ Ports 10/100BASE-T PortsSFP Modules Dual-Purpose Gigabit Ethernet PortsType of SFP Module Model SFP Module Patch CableAlarm Output Power-Input TerminalAlarm Ports Alarm InputManagement Ports LEDsSwitch Panel LEDs System LEDColor System Status Power Supply Module LEDs Alarm LEDsConsole LEDs LED Color Meaning Port LEDsPoE LED Color DescriptionSD Flash Memory Card LED Power Supply SideSD Flash Memory Card Dual-Purpose Port LEDsPSU OK LED Power Supply Features Power Supply-Side LEDsManagement Options Network Configurations Switch Installation 140F 60C Statement Installation Guidelines Verifying Switch Operation75 in .4 cm. Statement Installing the Switch Mounting into a RackMounting Brackets 2shows the 23-inch rack mounting brackets Attaching Brackets for 19-Inch RacksAttaching Brackets for 19-Inch Racks Attaching Brackets for 19-Inch Racks IP-30 Compliance Inserting the Rubber Plugs Inserting the Rubber Plugs Inserting the Rubber Plugs detail Attaching Brackets for 19-Inch Racks 10 Attaching Brackets for 19-Inch Racks Attaching Brackets for 23-Inch Racks11 Attaching Brackets for 23-Inch Racks Attaching Brackets for Etsi Racks12 Attaching Brackets for Etsi Racks Mounting the Switch into a Rack Attaching Brackets for Wall Mounting Wall-Mounting14 Attaching 19-inch Rack Brackets for Wall Mounting Wall-Mounting for IP-30 Compliance15 Inserting the Rubber Plugs into the Switch Holes Installing SFP Modules Installing and Removing SFP ModulesRemoving SFP Modules 17 Installing an SFP Module18 Removing a Bale Clasp Latch SFP Module Inserting and Removing the SFP Module Patch CableRemoving the SFP Module Patch Cable Replacing the SD Flash Memory Card21 Loosening the Captive Screw Device Crossover Cable Straight-Through Cable Connecting Devices to the Ethernet PortsConnecting to the 10/100 PoE+ Ports Connecting to the 10/100 and 10/100/1000 PortsWhere to Go Next Power Supply Modules Power Supply InstallationPWR-RGD-AC-DC Power Supply Module Power Supply Module InstallationInstallation Guidelines Installing a Power Supply ModuleEquipment That You Need Grounding the Switch Dual-hole terminal lug Loosen the Screws on the Power Supply Blank Installing the Power Supply Module in the SwitchAC 5 A, DC 15 a Statement Wiring the Power SourcePSU2 11 Stripping the Input Power Source Wire 12 Crimping the Spade Terminal Lug AC power Removing the Power Supply Module15 Removing the Screws Diagnosing Problems Switch Post ResultsSwitch LEDs Link Status Switch ConnectionsBad or Damaged Cable Ethernet and Fiber-Optic Cables10/100 and 10/100/1000 Port Connections 10/100 PoE+ Port ConnectionsSFP Module Spanning Tree Loops Switch PerformanceInterface Settings Ping End DeviceCabling Distance Auto-Negotiation and Network Interface CardsFinding the Switch Serial Number Resetting the Switch to the Factory Default SettingsSwitch Specifications Physical SpecificationsEnvironmental Ranges Power Requirements Power Requirements Power Specifications Power Supply Module Specifications10/100 Ethernet Ports Connector SpecificationsFigure B-2 Fiber-Optic SFP Module LC Connector SFP Module ConnectorsAlarm Port Alarm RatingsDual-Purpose Ports Commercial SFPs Cables and AdaptersSFP Module Cables Industrial and Rugged SFPs100BASE-BX Cable Pinouts Extended temperature SFPsFigure B-6 DSR DTR CTS RTS Console Port Adapter PinoutsSwitch Console RJ-45-to-DB-25 Port DTE Adapter Device OL-31444-01 RJ-45 Console Port Accessing the CLI Through the Console PortFigure C-1 Connecting the Console Cable USB Console Port Figure C-2 Connecting the USB Console CableInstalling the Cisco Microsoft Windows USB Device Drivers Installing the Cisco Microsoft Windows XP USB DriverInstalling the Cisco Microsoft Windows 2000 USB Driver Installing the Cisco Microsoft Windows Vista USB Driver Uninstalling the Cisco Microsoft Windows USB DriversEntering the Initial Configuration Information IP SettingsUninstalling the Cisco Microsoft Windows Vista USB Driver Completing the Setup Program These choices appear