Alarm Port, Alarm Ratings | Cisco Systems CGS252016S8PC manual

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, page 1-6for 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

	78-19377-02	B-3

Image 75

Cisco Systems CGS252016S8PC manual Alarm Port, Alarm Ratings

Contents

Americas Headquarters Cisco CGS 2520 Hardware Installation Guide Cisco CGS 2520 Hardware Installation Guide N T E N T S Wall-Mounting Bad or Damaged Cable USB Console Port Preface Related Publications Obtaining Documentation and Submitting a Service Request Model Description Switch Models Cisco CGS-2520-24TC Cable-Side View Cable Side PoE Ports 10/100 Fast Ethernet Ports SFP Modules Dual-Purpose Ports Type of SFP Module Model SFP Module Patch Cable Alarm Output Power-Input TerminalAlarm Ports Alarm Input USB Mini-Type B Port LEDs Switch Panel LEDs System LEDColor System Status Color Description Power Supply Module LEDsAlarm LEDs Console LEDs SD Flash Memory Card LED Port LEDsPoE LED Dual-Purpose Port LEDs Power Supply Side SD Flash Memory CardColor USB LED Power Supply-Side LEDs Management Options Power Supply Features 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 Racks Attaching 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 Racks 11 Attaching Brackets for 23-Inch Racks Attaching Brackets for Etsi Racks 12 Attaching Brackets for Etsi Racks Mounting the Switch into a Rack Attaching Brackets for Wall Mounting Wall-Mounting 14 Attaching 19-inch Rack Brackets for Wall Mounting Wall-Mounting for IP-30 Compliance 15 Inserting the Rubber Plugs into the Switch Holes Installing SFP Modules Installing and Removing SFP Modules Removing SFP Modules 17 Installing an SFP Module 18 Removing a Bale Clasp Latch SFP Module Inserting and Removing the SFP Module Patch Cable Removing the SFP Module Patch Cable Replacing the SD Flash Memory Card 21 Loosening the Captive Screw Device Crossover Cable Straight-Through Cable Connecting Devices to the Ethernet Ports Connecting to the 10/100 PoE Ports Connecting to the 10/100 and 10/100/1000 Ports Where to Go Next Power Supply Modules Power Supply Installation PWR-RGD-AC-DC Power Supply Module Power Supply Module Installation Installation 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 Switch AC 5 A, DC 15 a Statement Wiring the Power Source PSU2 11 Stripping the Input Power Source Wire AC power connection DC power connection 15 Removing the Screws Removing the Power Supply Module 78-19377-02 Page Diagnosing Problems Switch Post ResultsSwitch LEDs Link Status Switch ConnectionsBad or Damaged Cable Ethernet and Fiber-Optic Cables Ping End Device Interface Settings10/100 PoE Port Connections SFP Module Auto-Negotiation and Network Interface Cards Switch PerformanceSpanning Tree Loops Speed, Duplex, and Auto-Negotiation Finding the Switch Serial Number Resetting the Switch to the Factory Default SettingsPage Switch Specifications Physical SpecificationsEnvironmental Ranges Power Requirements Power Requirements Power Specifications Power Supply Module Specifications 10/100 Ethernet Ports Connector Specifications Figure B-2 Fiber-Optic SFP Module LC Connector SFP Module Connectors Alarm Ratings Alarm Port Commercial SFPs Cables and AdaptersSFP Module Cables Industrial and Rugged SFPs 100BASE-BX Cable Pinouts Extended temperature SFPs Figure B-6 Switch Console RJ-45-to-DB-9 Console Port Adapter PinoutsPort DTE Terminal Adapter Device Switch Console RJ-45-to-DB-25 Port DTE Adapter Device Page RJ-45 Console Port Accessing the CLI Through the Console Port Figure C-1 Connecting the Console Cable USB Console Port Figure C-2 Connecting the USB Console Cable Installing 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 Drivers Entering the Initial Configuration Information IP SettingsUninstalling the Cisco Microsoft Windows Vista USB Driver Completing the Setup Program These choices appear Numerics IN-2 IN-3 IN-4