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Cisco Systems 7100 Series Network Router User Manual

1. m ahaj ee oe a a hoe Ay h H ee Doe M 1 ISD flash memory card slot 6 Dual purpose ports 2 LEDs 7 RJ 45 console port 3 Express Setup button 8 USB mini Type B console port 4 100 Mb s SFP ports 9 Power input terminal 5 10 100BASE T PoE ports 10 Alarm port Ports e 10 100BASE T Ports page 1 4 e PoE and PoE Ports page 1 4 e Dual Purpose Gigabit Ethernet Ports page 1 5 e Power Input Terminal page 1 7 e Alarm Ports page 1 7 e Management Ports page 1 8 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 1 3 Chapter1 Product Overview E Ports 10 100BASE T Ports You can set the 10 100BASE T ports on the switch to operate in any combination of half duplex full duplex or 10 or 100 Mb s You can set the ports for speed and duplex auto negotiation The default setting 1s auto negotiate When set for auto negotiation the switch determines the speed and duplex settings of the attached device and advertises its own capabilities If the connected device also supports auto negotiation the switch negotiates the best connection the fastest line speed that both devices support and full duplex transmission if the attached device supports it and configures itself accordingly In all cases the attached device must be within 328 feet 100 meters The 10 100BASE T ports use RJ 45 connectors with Ethernet pinouts The maximum cable length is 328 feet 100 meters The
2. PSU1 PSU2 Negative connection for low voltage DC 14 Negative connection for low voltage DC PSU1 PSU2 Cisco CGS 2520 Hardware Installation Guide 3 8 OL 31444 01 Chapter3 Power Supply Installation Power Supply Module Installation E 100 240V 50 60Hz 2A 100 240V 50 60Hz 2A GL N lt 2 8 gt L N lt 9 Hi DQ Hi lt 49 Q 100 250V 2A 100 250V 2A yA PSU1 PSU2 O gt lt A gt Mee 24 60V 10A 24 60V 10A 207241 Note The power supply module 1 connection is labeled PSU1 and the power supply module 2 connection is labeled PSU2 Make sure that you connect the wires to the correct terminal screws Step3 Use twisted pair copper wire 14 to 18 AWG to connect from the power input terminal to the power source Note Use 12 AWG minimum for the low voltage DC power supply module Use 16 AWG minimum for the high voltage AC or DC power supply module Step 4 Strip each of the two wires to 0 25 inch 6 3 mm 0 02 inch 0 5 mm Do not strip more than 0 27 inch 6 8 mm of insulation from the wire Stripping more than the recommended amount of wire can leave exposed wire from the connector after installation Figure 3 11 Stripping the Input Power Source Wire 0 25 in 6 3 mm 0 02 in 0 5 mm ee Step5 Insert the wire into a spade terminal and crimp the it to the wire You can also use a ring or flanged spade terminal as listed in the Equipment Th
3. Power consumption with one PWR RGD LOW DC power supply module with 4 ports PoE 106W 363 BTU per hour power rating 0 106KVA 24Vdc Cisco CGS 2520 Hardware Installation Guide AQ OL 31444 01 AppendixA Technical Specifications Table A 3 Power consumption with two PWR RGD LOW DC power supply modules Switch Specifications Specifications for the Cisco CGS 2520 16S 8PC Switch PWR RGD LOW DC 37 1W 127 BTU per hour power rating 0 037 KVA 24Vdc Power consumption with two PWR RGD LOW DC power supply modules with 8 ports PoE Table A 4 Power Requirements 181 9W 622 BTU per hour power rating 0 182 KVA 24Vdc Specifications for the Cisco CGS 2520 24TC Switch PWR RGD AC DC Nominal input voltage 100 to 240 VAC 50 to 60 Hz 100 to 250 VDC Absolute maximum short term input voltage 85 to 265 VAC 47 to 63 Hz 88 to 300 VDC Power consumption with one PWR RGD AC DC power supply module AC 102 BTUs per hour 29 8 W Power rating 0 031 KVA 115 V DC 98 BTUs per hour 28 6 W Power rating 0 0286 KVA 125 VDC Power consumption with two PWR RGD AC DC power supply modules Table A 5 Power Requirements AC 121 BTUs per hour 35 5 W Power rating 0 0367 KVA 115 V DC 117 BTUs per hour 34 4 W Power rating 0 0344 KVA 125 VDC Specifications for the Cisco CGS 2520 24TC Switch PWR RGD LOW DC Nominal input voltage 24 to 60 VDC Absolute maximu
4. This guide does not describe system messages that you might receive or how to configure your switch See the switch software configuration guide the switch command reference and the switch system message guide on Cisco com http www cisco com go cgs2520_docs 12 Means reader take note Notes contain helpful suggestions or references to materials not contained in this manual gt Caution Means reader be careful In this situation you might do something that could result in equipment damage or loss of data b gt Warning IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device Statement 1071 SAVE THESE INSTRUCTIONS The safety warnings for this product are translated into several languages in the Regulatory Compliance and Safety Information for the Cisco CGS 2520 that ships with the product on the documentation CD The EMC regulatory statements are also included in that guide Cisco CGS 2520 Hardware Installation Guide OL 31444 01 Ovi Preface W Related Publications Related Publications http www cisco com go cgs2520_docs D
5. Note Before installing configuring or upgrading the switch see the release notes on Cisco com for the latest information e Release Notes for the Cisco CGS 2520 e Cisco CGS 2520 Getting Started Guide e Regulatory Compliance and Safety Information for the Cisco CGS 2520 e Cisco CGS 2520 Software Configuration Guide e Cisco CGS 2520 Command Reference e Cisco CGS 2520 System Message Guide e Installation Notes for the Power Supply Modules for the Cisco CGS 2520 Cisco SFP documents http www cisco com en US products hw modules ps5455 prod_installation_guides_list html SFP compatibility matrix documents http www cisco com en US products hw modules ps5455 products_device_support_tables_list html Obtaining Documentation and Submitting a Service Request For information on obtaining documentation submitting a service request and gathering additional information see the monthly What s New in Cisco Product Documentation which also lists all new and revised Cisco technical documentation at http www cisco com en US docs general whatsnew whatsnew html Subscribe to the What s New in Cisco Product Documentation as a Really Simple Syndication RSS feed and set content to be delivered directly to your desktop using a reader application The RSS feeds are a free service and Cisco currently supports RSS version 2 0 Cisco CGS 2520 Hardware Installation Guide viii OL 31444 01 CHAPTER 1 Product Overview The Cisco CGS
6. Start the terminal emulation program on the PC or the terminal The program frequently a PC application such as HyperTerminal or ProcommPlus makes communication possible between the switch and your PC or terminal Cisco CGS 2520 Hardware Installation Guide OL 31444 01 x Appendix C Configuring the Switch with the CLI Setup Program W Accessing the CLI Through the Console Port Step5 Configure the COM port Step6 Configure the baud rate and character format of the PC or terminal to match the console port characteristics e 9600 baud e 8 data bits e 1 stop bit e No parity e None flow control Step7 Connect power to the switch as described in the Power Supply Module Installation section on page 3 2 Step8 The PC or terminal displays the bootloader sequence Press Enter to display the setup prompt Follow the steps in the Completing the Setup Program section on page C 7 Installing the Cisco Microsoft Windows USB Device Drivers Installing the Cisco Microsoft Windows XP USB Driver Step 1 Obtain the file Cisco_usbconsole_driver zip from Cisco com and unzip it Note You can download the driver file from the Cisco com software download site Step2 If using 32 bit Windows XP double click the setup exe file in the Windows_32 folder If using 64 bit Windows XP double click the setup x64 exe file in the Windows_64 folder Step3 The Cisco Virtual Com InstallShield Wizard begins Step4 The Ready to Inst
7. 1000 Ethernet Statement 1044 Warning To prevent the system from overheating do not operate it in an area that exceeds the maximum recommended ambient temperature of 140 F 60 C Statement 1047 Warning This equipment is supplied as open type equipment It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present and appropriately designed to prevent personal injury resulting from accessibility to live parts The interior of the enclosure must be accessible only by the use of a tool The enclosure must meet IP 54 or NEMA type 4 minimum enclosure rating standards Statement 1063 Warning Installation of the equipment must comply with local and national electrical codes Statement 1074 S Note For U S installations refer to national electrical code ANSI NFPA 70 Cisco CGS 2520 Hardware Installation Guide 2 2 OL 31444 01 Chapter2 Switch Installation Installation Guidelines W A Warning To prevent airflow restriction allow clearance around the ventilation openings to be at least 1 75 in 4 4 cm Statement 1076 Installation Guidelines Before installing the switch verify that these guidelines are met e Cabling must be kept away from sources of electrical noise such as radios power lines and fluorescent lighting fixtures Make sure that the cabling is away from other devices that might damage the cables e Operating environment is w
8. 2520 switches also referred to as the switch are Ethernet switches that you can connect devices such as Intelligent Electronic Devices IEDs distributed controllers substation routers Cisco IP Phones Cisco Wireless Access Points and other network devices such as redundant substation switches This chapter contains the following topics e Switch Models page 1 2 e Cable Side page 1 2 e Ports page 1 3 e LEDs page 1 8 e SD Flash Memory Card page 1 12 e Power Supply Side page 1 12 e Management Options page 1 15 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 EN Chapter1 Product Overview HE Switch Models Switch Models amp Note The information in this document regarding China switches part numbers ending with C for example PWR RGD AC DC C are identical to the non China switches except where specified Table 1 1 Switch Models Model Description Cisco CGS 2520 24TC 24 10 100BASE T ports 2 dual purpose Gigabit Ethernet ports 2 10 100 1000BASE T ports and 2 SFP module slots and 2 AC and DC power supply module slots Cisco CGS 2520 24TC C For China 24 10 100BASE T ports 2 dual purpose Gigabit Ethernet ports 2 10 100 1000BASE T ports and 2 SFP module slots and 2 AC and DC power supply module slots Cisco CGS 2520 16S 8PC 16 100 Mb s SFP module slots 8 10 IO0BASE T PoE 7 ports 2 dual purpose Gigabit Ethernet ports 2 10 100 1O00BASE T ports and 2 SFP module slots and 2 AC and DC
9. The switch has two slots for power supply modules e PWR RGD LOW DC low voltage DC for voltage information see Table A 8 e PWR RGD AC DC high voltage AC or DC for voltage information see Table A 7 e PWR RGD AC DC C high voltage AC or DC for China The switch supports these power supply module combinations e Single low voltage DC e Single high voltage AC or DC e Two high voltage AC or DC Cisco CGS 2520 Hardware Installation Guide 1 14 OL 31444 01 Chapter1 Product Overview Management Options W Two low voltage DC One high voltage AC or DC and one low voltage DC For information on installing the power supply modules see the Power Supply Installation section on page 3 1 See Table 1 4 for information on the power supply LEDs Management Options Device manager You can use the device manager in the switch memory to manage standalone switches For information see the switch getting started guide and the device manager online help Cisco IOS CLI You can configure and monitor the switch from the CLI Connect your management station to the switch console port or use Telnet from a remote management station See the switch command reference on Cisco com for information CiscoWorks application The CiscoWorks LAN Management Solution LMS is a suite of management tools that simplify the configuration administration monitoring and troubleshooting of Cisco networks See the LMS documentation for information
10. They show POST failures port connectivity problems and overall switch performance You can also get statistics from the device manager the CLI or an SNMP workstation See the software configuration guide the switch command reference guide on Cisco com or the documentation that came with your SNMP application for details The following topics can be used as approaches to diagnosing problems e Switch POST Results page 4 1 e Switch LEDs page 4 1 e Switch Connections page 4 2 e Switch Performance page 4 4 Switch POST Results See the Verifying Switch Operation section on page 2 3 for information on POST Note POST failures are usually fatal Contact your Cisco technical support representative if your switch does not pass POST Switch LEDs Look at the port LEDs information when troubleshooting the switch See the LEDs section on page 1 8 for a description of the LED colors and their meanings Cisco CGS 2520 Hardware Installation Guide OL 31444 01 41 Chapter4 Troubleshooting W Diagnosing Problems Switch Connections e Bad or Damaged Cable page 4 2 e Ethernet and Fiber Optic Cables page 4 2 e Link Status page 4 2 e 10 100 and 10 100 1000 Port Connections page 4 3 e 10 100 PoE Port Connections page 4 3 e SFP Module page 4 3 e Interface Settings page 4 4 e Ping End Device page 4 4 e Spanning Tree Loops page 4 4 Bad or Damaged Cable Always examine the cable for margina
11. connector snap into place Step5 Ifthe module has a bale clasp latch close it to lock it into place Step6 For fiber optic SFP modules remove the dust plugs and store them in a clean location for reuse A Caution Do not remove the dust plugs from the fiber optic SFP module port until you are ready to insert the SFP cables Step7 Connect the SFP cables Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 19 Chapter2 Switch Installation W installing and Removing SFP Modules Figure 2 17 Installing an SFP Module u a J T E ey a tT b Removing SFP Modules Step 1 Step 2 Step 3 Step 4 This section describes how to replace small form factor pluggable SFP modules SFP modules are inserted into the SFP modules connected to the switch Attach an ESD preventive wrist strap to your wrist and to a bare metal surface Disconnect the cables from the SFP module ports For reattachment note which cable connector plug is send TX and which is receive RX Note On some SFP modules the send and receive TX and RX markings might be replaced by arrows that show the direction send or receive of the connection A Caution Do not remove cables from the fiber optic SFP module ports until you are ready to insert the dust plugs Insert a dust plug into the optical ports of the SFP module If the module has a bale clasp latch pull the bale out and down to eject it If the l
12. for this interface 255 0 0 0 255 0 0 0 Step9 Enter Y to configure the switch as the cluster command switch Enter N to configure it as a member switch or as a standalone switch If you enter N you can configure the switch as a command switch later through the CLI To configure it later enter no Would you like to enable as a cluster command switch yes no no You have completed the initial configuration of the switch and the switch displays its configuration This is an example of the configuration output The following configuration command script was created hostname switchl enable secret 5 S1SUl1q8SDI1A 0iaEb190WcBPd9cOn1 enable password enable_password line vty 0 15 password terminal password no snmp server l no ip routing interface Vlanl no shutdown ip address 10244120 106 255 0 0 0 interface FastEthernet1 0 1 l interface FastEthernet1 0 2 interface FastEthernet1 0 3 l lt output abbreviated gt end Step 10 These choices appear 0 Go to the IOS command prompt without saving this config 1 Return back to the setup without saving this config 2 Save this configuration to nvram and exit If you want to save the configuration and use it the next time the switch reboots select option 2 to save it in NVRAM Enter your selection 2 2 Make your selection and press Return After you complete the setup program the switch can run the default configuration that you created To cha
13. http www cisco com en US products ps7198 tsd_products_support_series_home html CiscoView application The CiscoView device management application displays a switch image that you can use to view switch status and performance information and to set configuration parameters The CiscoView application sold separately can be a standalone application or part of a Simple Network Management Protocol SNMP platform For information see the CiscoView documentation http www cisco com en US products sw cscowork ps4565 tsd_products_support_series_home ht ml Cisco CGS 2520 Hardware Installation Guide OL 31444 01 1 15 Chapter1 Product Overview W Management Options Cisco Configuration Engine The Cisco Configuration Engine automates initial configurations and configuration updates It generates device specific configuration changes sends them to the device executes the configuration changes and logs the results For information about Cisco Configuration Engine see the software configuration guide on Cisco com SNMP network management You can manage switches from a Simple Network Management Protocol SNMP compatible management station that is running platforms such as HP OpenView or SunNet Manager The switch supports a comprehensive set of Management Information Base MIB extensions and four Remote Monitoring RMON groups See the switch software configuration guide on Cisco com and the documentation that came with your SNM
14. of lightning activity statement 1001 b gt Warning Read the installation instructions before you connect the system to its power source Statement 1004 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 1 Chapter2 Switch Installation W Warnings Waring This unit is intended for installation in restricted access areas A restricted access area can be accessed only through the use of a special tool lock and key or other means of security statement 1017 Warning This equipment must be grounded Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available Statement 1024 Warning This unit might have more than one power supply connection All connections must be removed to de energize the unit Statement 1028 Warning Only trained and qualified personnel should be allowed to install replace or service this equipment Statement 1030 Warning Ultimate disposal of this product should be handled according to all national laws and regulations statement 1040 Warning For connections outside the building where the equipment is installed the following ports must be connected through an approved network termination unit with integral circuit protection 10 100
15. port has priority but you can use the media type interface configuration command to manually designate the port as an RJ 45 port or an SFP port You can configure the speed and duplex settings consistent with the selected media type For information on configuring interfaces see the CGS 2520 Switch Software Configuration Guide on Cisco com For more information on the SFP module ports see e SFP Modules page 1 5 e SFP Module Patch Cable page 1 6 SFP Modules The switch Ethernet SFP modules provide connections to other devices These field replaceable transceiver modules provide the uplink interfaces The modules have LC connectors for fiber optic connections or RJ 45 connectors for copper connections You can use any combination of the supported SFP modules listed in Table 1 2 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 1 5 Chapter1 Product Overview W Ports Table 1 2 Maximum Operating Temperature Type of SFP Module Model Rugged and Industrial SFPs e GLC SX MM RGD 40 to 140 F 40 to 60 C GLC LX SM RGD e GLC FE 100LX RGD e GLC FE 100FX RGD e GLC ZX SM RGD Commercial SFPs e GLC BX D with digital optical monitoring 32 to 113 F 0 to 45 C DOM support e GLC BX U with DOM support e GLC FE 100LX e GLC FE 100BX D e GLC FE 100BX U e GLC FE 100FX e GLC FE 100EX e GLC FE 100ZX e CWDM SFP with DOM support Extended temperature SFPs e SFP GE L with DOM support PARA E EOE e SFP GE S with DOM
16. support e SFP GE Z with DOM support e GLC EX SMD with DOM support For information about SFP modules see your SFP module documentation and the Installing and Removing SFP Modules section on page 2 19 For cable specifications see the SFP Module Cables section on page B 4 SFP Module Patch Cable The switch uses an SFP module patch cable a 0 5 meter copper passive cable with SFP module connectors at each end see Figure 1 3 The patch cable connects two switches in a cascaded configuration Figure 1 3 SFP Module Patch Cable 126809 For information about using the SFP module patch cable see the Inserting and Removing the SFP Module Patch Cable section on page 2 21 Cisco CGS 2520 Hardware Installation Guide 1 6 OL 31444 01 Chapter1 Product Overview Ports W You can order this cable part number CAB SFP 50CM3 Power Input Terminal The power input terminal provides screw terminals for the AC and DC power connections The switch can operate with one or two power supplies If one of the power sources fail the other continues to power the switch For more information see the Power Supply Installation section on page 3 1 Figure 1 4 Power Input Terminal Alarm Ports The switch has four alarm inputs and one alarm output The alarm setting is open or closed e Open means that the normal condition has current flowing through the contact referred to as a normally closed contact The alarm
17. this information e Switch IP address e Subnet mask IP netmask e Default gateway router e Enable secret password Cisco CGS 2520 Hardware Installation Guide C 6 OL 31444 01 AppendixC Configuring the Switch with the CLI Setup Program Entering the Initial Configuration Information W e Enable password e Telnet password Completing the Setup Program Follow these steps to complete the setup program and to create an initial configuration for the switch Step 1 Enter Yes at these two prompts Would you like to enter the initial configuration dialog yes no yes At any point you may enter a question mark for help Use ctrl c to abort configuration dialog at any prompt Default settings are in square brackets Basic management setup configures only enough connectivity for management of the system extended setup will ask you to configure each interface on the system Would you like to enter basic management setup yes no yes Step 2 Enter a host name for the switch and press Return On a command switch the host name is limited to 28 characters and on a member switch to 31 characters Do not use n where n is a number as the last character in a host name for any switch Enter host name Switch host_name Step3 Enter an enable secret password and press Return The password can be from to 25 alphanumeric characters can start with a number is case sensitive allows spaces but ignores lead
18. want to connect the switch console port to a terminal You can order an adapter part number ACS DSBUASYN For console port and adapter pinout information see Table B 2 and Table B 3 Table B 2 lists the pinouts for the console port the RJ 45 to DB 9 adapter cable and the console device Table B 2 Console Port Signaling Using a DB 9 Adapter Switch Console RJ 45 to DB 9 Console Port DTE Terminal Adapter Device Signal DB 9Pin Sigal RTS 8 CTS DTR 6 DSR TxD 2 RxD GND 5 GND RxD 3 TxD DSR 4 DTR CTS 7 RTS Table B 3 lists the pinouts for the switch console port RJ 45 to DB 25 female DTE adapter and the console device S Note The RJ 45 to DB 25 female DTE adapter is not supplied with the switch You can order this adapter from Cisco part number ACS DSBUASYN Cisco CGS 2520 Hardware Installation Guide BS OL 31444 01 AppendixB Connector and Cable Specifications Cables and Adapters W Table B 3 Console Port Signaling Using a DB 25 Adapter Switch Console RJ 45 to DB 25 Console Port DTE Adapter Device Signal DB 25 Pin Signal RTS 5 CTS DTR 6 DSR TxD 3 RxD GND 7 GND RxD 2 TxD DSR 20 DTR CTS 4 RTS Cisco CGS 2520 Hardware Installation Guide OL 31444 01 B99 Appendix B Connector and Cable Specifications W Cables and Adapters Cisco CGS 2520 Hardware Installation Guide B 10 OL 31444 01 APPENDIX Configuring the Switch with the C
19. 2 feet 220 m SFP GE S 62 5 200 902 feet 275 m 50 0 400 1640 feet 500 50 0 500 m 1804 feet 550 m 100BASE ZX 1550 SMF 9 10 43 5 miles 70 SFP GE Z SMF 8 km 62 1 miles 100 km 100BASE EX 1310 SMF G 6527 24 9 miles 40 GLC EX SMD km 1 Modal bandwidth applies only to multimode fiber 2 1000BASE ZX SFP modules can send data up to 62 miles 100 km by using dispersion shifted SMF or low attenuation SMF the distance depends on the fiber quality the number of splices and the connectors 3 A mode field diameter cladding diameter 9 micrometers 125 micrometers Note When the fiber optic cable span is less than 15 43 miles 25 km insert a 5 decibel dB or 10 dB inline optical attenuator between the fiber optic cable plant and the receiving port on the 1000BASE ZX SFP module Cable Pinouts Figure B 5 Two Twisted Pair Straight Through Cable Schematic for 10 100 Ports Switch Router or PC 3 TD M 3 RD 6 TD MR 6 RD 1RD lt 1TD 2 R lt 2TD H5578 Cisco CGS 2520 Hardware Installation Guide B 6 OL 31444 01 AppendixB Connector and Cable Specifications Cables and Adapters I Figure B 6 Two Twisted Pair Crossover Cable Schematic for 10 100 Ports Switch Switch 3 TD 3 TD 6 TD 6 TD 1 RD 1 RD 2 RD 2 RD H5579 Figure B 7 Four Twisted Pair Straight Through Cable Schematic for 1OOOBASE T Ports Switch Router or PC TPO
20. 8 Inserting the Rubber Plugs detail 1 Rubber plug 3 Screwdriver 2 Switch Step4 Install the brackets on both sides of the switch as shown in Figure 2 9 and Figure 2 10 Cisco CGS 2520 Hardware Installation Guide 2 10 OL 31444 01 Chapter2 Switch Installation Installing the Switch W Figure 2 9 Attaching Brackets for 19 Inch Racks 277213 1 Mid mount position 3 Cable side mounting position 2 Phillips flat head screws 4 Power supply side mounting position Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 11 Chapter2 Switch Installation W installing the Switch Figure 2 10 Attaching Brackets for 19 Inch Racks sir al 1 Phillips flat head screws 3 Power supply side mounting position 2 Cable side mounting position Note For IP 30 compliance If you use 23 inch brackets or ETSI brackets you can insert the rubber plugs in the same holes as shown in Figure 2 6 and Figure 2 7 before installing the brackets Attaching Brackets for 23 Inch Racks Figure 2 11 shows the 23 inch rack mounting bracket locations on the switch for cable side mounting and power side mounting onto a 23 inch rack Cisco CGS 2520 Hardware Installation Guide 2 12 OL 31444 01 Chapter2 Switch Installation Installing the Switch W Figure 2 11 Attaching Brackets for 23 Inch Racks 1 Phillips flat head screws 3 Power supply side mounting position 2 Cable side mounting pos
21. A Technical Specifications A 1 switch Specifications A 1 Power Supply Module Specifications A 4 appenpix B Connector and Cable Specifications B 1 Connector Specifications B 1 10 100 Ethernet Ports B 1 SFP Module Connectors B 2 Dual Purpose Ports B 3 Alarm Port B 3 Alarm Ratings B 3 Cables and Adapters B 4 SFP Module Cables B 4 Cable Pinouts B 6 Console Port Adapter Pinouts B 8 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 Pow W Contents APPENDIX C Configuring the Switch with the CLI Setup Program C 1 Accessing the CLI Through the Console Port C 1 RJ 45 Console Port C 1 USB Console Port C 3 Installing the Cisco Microsoft Windows USB Device Drivers C 4 Installing the Cisco Microsoft Windows XP USB Driver C 4 Installing the Cisco Microsoft Windows 2000 USB Driver C 4 Installing the Cisco Microsoft Windows Vista USB Driver C 5 Uninstalling the Cisco Microsoft Windows USB Drivers C 5 Uninstalling the Cisco Microsoft Windows XP and 2000 USB Driver C 5 Uninstalling the Cisco Microsoft Windows Vista USB Driver C 6 Entering the Initial Configuration Information C 6 IP Settings C 6 Completing the Setup Program C 7 Cisco CGS 2520 Hardware Installation Guide oi OL 31444 01 Preface This guide describes the hardware features of the Cisco Connected Grid Switch CGS 2520 It describes the physical and performance characteristics of the switch explains how to install it and provides troubleshooting information
22. C BX D Cisco CGS 2520 Hardware Installation Guide Ba OL 31444 01 AppendixB Connector and Cable Specifications Cables and Adapters W Table B 1 Fiber Optic SFP Module Port Cabling Specifications continued Core Modal Type of SFP Wavelength Size Cladding Bandwidth Module nanometers Fiber Type Size micron MHz km Cable Distance 100BASE LX 1310 SMF G 652 32 810 feet 10 GLC FE 100L km X 100BASE BX 1310 TX SMF G 652 32 810 feet 10 GLC FE 100B 1550 RX km X D GLC FE 100B X U 1OOBASE FX 1310 MMF 50 125 500 6 562 feet 2 GLC FE 100F 62 5 125 500 km X 6 562 feet 2 km 100BASE EX 1310 SMF G 652 a 131 240 feet 40 GLC FE 100E km X 1OOBASE ZX 1550 SMF G 652 262 480 feet 80 GLC FE 100Z km X CWDM 1470 1490 SMF G 6527 62 miles 100 1510 1530 km 1550 1570 1590 1610 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 ied 3 5 Appendix B Connector and Cable Specifications W Cables and Adapters Table B 1 Fiber Optic SFP Module Port Cabling Specifications continued Core Modal Type of SFP Wavelength Size Cladding Bandwidth Module nanometers Fiber Type Size micron MHz km Cable Distance Extended temperature SFPs 1OOBASE 1300 MME or SMF 62 2 500 1804 feet 550 LX LH 50 400 m 1804 feet SFP GE L 50 500 550 m 1804 9 10 feet 550 m 6 2 miles 10 km 100BASE SX 850 MMF 62 5 160 72
23. EDs The dual purpose port LEDs identify the connection as either a copper based connector or an SFP module The ports can autonegotiate or you can manually configure each dual purpose port as either 10 100 1000 with copper connectors or as an SFP module port but not as both types at the same time See Table 1 8 for LED descriptions SD Flash Memory Card LED Table 1 10 SD Flash Memory Card LED Color System Status Off blinking green Transfer in progress Blinking amber Not present slow blinking unsupported SD flash memory card is detected fast blinking Amber Error accessing the SD flash memory card Cisco IOS boot image cannot be found Green SD flash memory card is functioning SD Flash Memory Card The switch ships with the Secure Digital SD flash memory card installed See Figure 1 1 and Figure 1 2 You can remove the card from a failed switch and install it in a replacement switch You do not have to reconfigure the new switch See the Replacing the SD Flash Memory Card section on page 2 22 for information Warning Be aware that the SD card contains sensitive and security relevant information including but not limited to full device configuration information public and private keys used for SSH and SSL if those protocols are enabled device passwords and others Access to SD cards for any Cisco CGS switch should be limited to authorized personnel Power Supply Side The power supply
24. FF position amp Note If the power is not off at the AC or DC circuit breaker do not touch the power input terminal Use a Phillips screwdriver to loosen the two captive screws of the blank power supply module and gently pull it out See Figure 3 6 and Figure 3 7 Figure 3 6 Loosen the Screws on the Power Supply Blank Figure 3 7 Remove the Power Supply Blank Insert the power supply module into the slot and gently push it in see Figure 3 8 The power supply module should be flush with the switch Cisco CGS 2520 Hardware Installation Guide OL 31444 01 Chapter3 Power Supply Installation Power Supply Module Installation Hi Figure 3 8 Insert the Power Supply Module Step4 Use a ratcheting torque screwdriver to torque each screw to 8 10 in lb Wiring the Power Source Before you wire the power source review the warnings in this section A Warning This product relies on the building s installation for short circuit overcurrent protection Ensure that the protective device is rated not greater than AC 5 A DC 15 A Statement 1005 gt Warning A readily accessible two poled disconnect device must be incorporated in the fixed wiring Statement 1022 gt Warning Only trained and qualified personnel should be allowed to install or replace this equipment statement 1030 gt Warning Hazardous voltage or energy may be present on power terminals Always rep
25. LI Setup Program This appendix provides a command line interface CLI setup procedure for a standalone switch To set up the switch by using Express Setup see the Cisco CGS 2520 Getting Started Guide Before connecting the switch to a power source review the safety warnings in the Switch Installation section on page 2 1 and the Power Supply Module Installation section on page 3 2 Accessing the CLI Through the Console Port You can enter Cisco IOS commands and parameters through the CLI Use one of these options to access the CLI e RJ 45 Console Port page C 1 e USB Console Port page C 3 RJ 45 Console Port Step 1 Connect the RJ 45 to DB 9 adapter cable to the 9 pin serial port on the PC Connect the other end of the cable to the switch console port Step2 Start the terminal emulation program on the PC or the terminal The program frequently a PC application such as HyperTerminal or ProcommPlus makes communication between the switch and your PC or terminal possible Cisco CGS 2520 Hardware Installation Guide OL 31444 01 C1 Appendix Configuring the Switch with the CLI Setup Program W Accessing the CLI Through the Console Port Figure C 1 Connecting the Console Cable 1 RJ 45 console port 20 Console cable RJ 45 to DB 9 adapter cable Step3 Configure the baud rate and character format of the PC or terminal to match the console port characteristics e 9600 baud e 8 data bits e 1 stop bit e No p
26. LOOBASE T traffic requires Category 5 Category 5e or Category 6 unshielded twisted pair UTP cable The LOBASE T traffic can use Category 3 or Category 4 UTP cable PoE and PoE Ports A Warning Voltages that present a shock hazard may exist on Power over Ethernet PoE circuits if interconnections are made using uninsulated exposed metal contacts conductors or terminals Avoid using such interconnection methods unless the exposed metal parts are located within a restricted access location and users and service people who are authorized within the restricted access location are made aware of the hazard A restricted access area can be accessed only through the use of a special tool lock and key or other means of security Statement 1072 The 10 100BASE T PoE ports on the Cisco CGS 2520 16S 8PC and Cisco CGS 2520 16S 8PC C models provide e Support for IEEE 802 3af compliant powered devices up to 15 4 W PoE per port and support for IEEE 802 3at compliant powered devices up to 30 W PoE per port e Support for prestandard Cisco powered devices e Configurable support for Cisco intelligent power management including enhanced power negotiation power reservation per port power policing Each power supply module can support an equivalent PoE load of two PoE ports or four PoE ports When both power supply modules are installed the system has enough power to support four PoE ports or eight PoE ports If ports are d
27. Mounting for IP 30 Compliance 2 17 Installing and Removing SFP Modules 2 19 Installing SFP Modules 2 19 Removing SFP Modules 2 20 Inserting and Removing the SFP Module Patch Cable 2 21 Removing the SFP Module Patch Cable 2 22 Replacing the SD Flash Memory Card 2 22 Connecting Devices to the Ethernet Ports 2 24 Connecting to the 10 100 and 10 100 1000 Ports 2 25 Connecting to the 10 100 PoE Ports 2 25 Where to Go Next 2 26 CHAPTER 3 Power Supply Installation 3 1 Power Supply Modules 3 1 Power Supply Module Installation 3 2 Installation Guidelines 3 3 Installing a Power Supply Module 3 3 Equipment That YouNeed 3 3 Grounding the Switch 3 4 Installing the Power Supply Module in the Switch 3 6 Wiring the Power Source 3 7 Removing the Power Supply Module 3 11 Cisco CGS 2520 Hardware Installation Guide iv OL 31444 01 Contents Hi CHAPTER 4 Troubleshooting 4 1 Diagnosing Problems 4 1 switch POST Results 4 1 switch LEDs 4 1 switch Connections 4 2 Bad or Damaged Cable 4 2 Ethernet and Fiber Optic Cables 4 2 Link Status 4 2 10 100 and 10 100 1000 Port Connections 4 3 10 100 PoE Port Connections 4 3 SFP Module 4 3 Interface Settings 4 4 Ping End Device 4 4 spanning Tree Loops 4 4 Switch Performance 4 4 speed Duplex and Auto Negotiation 4 4 Auto Negotiation and Network Interface Cards 4 5 Cabling Distance 4 5 Resetting the Switch to the Factory Default Settings 4 6 Finding the Switch Serial Number 4 6 APPENDIX
28. NT CISCO i fA 4 3 E f lo Ce E ue i Cisco CGS 2520 Hardware Installation Guide First Published August 2011 Last Updated January 2014 Part Number OL 31444 01 Cisco Systems Inc Www cisco com Cisco has more than 200 offices worldwide Addresses phone numbers and fax numbers are listed on the Cisco website at www cisco com go offices Text Part Number OL 31444 01 THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE ALL STATEMENTS INFORMATION AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY The following information is for FCC compliance of Class A devices This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy a
29. P application for information Cisco Configuration Professional Configuration Professional is a software program that you download from Cisco com and run on your PC It offers advanced options for configuring and monitoring multiple devices including the Cisco CGS 2520 switches Configuration Professional is available at no cost http www cisco com en US products ps9422 index html See the Configuration Professional getting started guide and online help for more information Cisco Security Manager Cisco Security Manager Security Manager manages security policies on Cisco security devices It supports integrated provisioning of firewall IPS and VPN site to site remote access and SSL services across devices For information see the User Guide for Cisco Security Manager 3 2 2 Catalyst Smart Operations The Smart Install feature provides a single point of management director in a network You can use it to provide a zero touch image and configuration upgrade of newly deployed switches and image and configuration downloads for any client switches For information see the Cisco Smart Install Configuration Guide on Cisco com The Smartports feature provides user defined and Cisco default macros for creating custom switch configurations to simplify deployment For information about configuring Smartports see the switch software configuration guide on Cisco com Network Configurations See the CGS 2520 Switch Software Configuration G
30. Rack Mounting ld 1 Mid mount position 4 Phillips machine screws Cable screw 5 Power supply side mounting position Cable side mounting position 6 Cable guide Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 15 Chapter2 Switch Installation W installing the Switch Wall Mounting The following steps are covered in this section e Attaching Brackets for Wall Mounting page 2 16 e Wall Mounting for IP 30 Compliance page 2 17 A Warning If the switch is wall mounted in an enclosure allow for these minimum clearances e Sides of switch facing up and facing down 3 75 in 9 52 cm e Port side 3 0 in 7 62 cm e Power supply side 5 25 in 13 33 cm e Cover side side not facing wall 1 75 in 4 44 cm e Base side facing wall 0 in 0 cm Attaching Brackets for Wall Mounting Follow these steps to mount the switch onto a wall Step1 Insert the rubber plugs into the appropriate holes Follow the same procedure for the other side of the switch Step2 Use a screwdriver or pen to completely push in the rubber plugs see Figure 2 8 Step3 Install the brackets onto both sides of the switch see Figure 2 16 Step4 Secure the bracket and switch to the wall using the screws provided Figure 2 14 shows how to wall mount the switch onto a wall Cisco CGS 2520 Hardware Installation Guide 2 16 OL 31444 01 Chapter2 Switch Installation Installing the Switch W Fi
31. Switch Specifications Table A 2 Power Requirements Specifications for the Cisco CGS 2520 16S 8PC Switch PWR RGD AC DC Nominal input voltage 100 to 240 VAC 50 to 60 Hz 100 to 250 VDC Absolute maximum short term input voltage 85 to 265 VAC 47 to 63 Hz 88 to 300 VDC Power consumption with one PWR RGD AC DC power supply module AC 147 BTUs per hour 43 2 W Power rating 0 044 KVA 115 V DC 137 BTUs per hour 40 3 W Power rating 0 0403 KVA 125 VDC Power consumption with one PWR RGD AC DC power supply module with PoE on 4 ports AC 376 BTUs per hour 110 1 W Power rating 0 11 KVA 115 V DC 375 BTUs per hour 109 8 W Power rating 0 109 KVA 125 VDC Power consumption with two PWR RGD AC DC power supply modules AC 166 BTUs per hour 48 8 W Power rating 0 051 KVA 115 V DC 167 BTUs per hour 48 9 W Power rating 0 0489 KVA 125 VDC Power consumption with two PWR RGD AC DC power supply modules with PoE on 8 ports Table A 3 Power Requirements Nominal input voltage AC 628 BTUs per hour 184 1 W Power rating 0 185 KVA 115 V DC 622 BTUs per hour 182 2 W Power rating 0 182 KVA 125 VDC Specifications for the Cisco CGS 2520 16S 8PC Switch PWR RGD LOW DC 24 to 60 VDC Absolute maximum short term input voltage Power consumption with one PWR RGD LOW DC power supply module 18 to 75 VDC 34 2W 116 BTU per hour power rating 0 034 KVA 24Vdc
32. TPO TP1 TP1 TPO lt gt TPO gt TP1 lt _ gt TP1 lt ___ gt O OO N O OO N TP2 TP2 TP3 TP3 TP2 lt __ __ gt TP2 lt _ _ gt TP3 gt TP3 lt _ gt ON OF A CON OF A 65271 Figure B 8 Four Twisted Pair Crossover Cable Schematics for 1OOOBASE T Ports Switch Switch TPO TPO TPO TPO TP1 TP1 TP1 TP1 O UU N O wh TP2 lt __ 4 TP2 TP2 lt ___ 5 TP2 TP3 lt __ 7 TP3 TP3 lt _ gt 8 TP3 N oF RA 65274 CON OO A To identify a crossover cable hold the cable ends side by side with the tab at the back The wire connected to pin on the left end should be the same color as the wire connected to pin 3 on the right end The wire connected to pin 2 on the left end should be the same color as the wire connected to pin 6 on the right end Cisco CGS 2520 Hardware Installation Guide OL 31444 01 E 3 7 Appendix B Connector and Cable Specifications W Cables and Adapters Figure B 9 Identifying a Crossover Cable 273807 Console Port Adapter Pinouts The console port uses an 8 pin RJ 45 connector which is described in Table B 2 and Table B 3 If you did not order a console cable you need to provide an RJ 45 to DB 9 adapter cable to connect the switch console port to a PC console port You need to provide an RJ 45 to DB 25 female DTE adapter if you
33. USB Type A to 5 pin mini Type B cable The USB console interface speeds are the same as the RJ 45 console interface speeds To use the USB console port you must install the Cisco Windows USB device driver on the device that is connected to the USB console port device running with Microsoft Windows Note For information about downloading the Cisco USB device driver see the Installing the Cisco Microsoft Windows USB Device Drivers section on page C 4 With the Cisco Windows USB device driver connecting and disconnecting the USB cable from the console port does not affect Windows HyperTerminal operations Mac OS X or Linux require no special drivers Note The5 pin mini Type B connectors resemble the 4 pin mini Type B connectors They are not compatible Use only the 5 pin mini Type B See Figure 1 5 Figure 1 5 USB Mini Type B Port 253163 The configurable inactivity timeout reactivates the RJ 45 console port if the USB console port is activated but no input activity occurs on it for a specified time period When the USB console port deactivates due to a timeout you can restore its operation by disconnecting and reconnecting the USB cable For information on using the CLI to configure the USB console interface see the switch software guide LEDs You can use the switch system and port LEDs to monitor switch activity and perform
34. addresses in illustrative content is unintentional and coincidental 2011 2014 Cisco Systems Inc All rights reserved CONTENTS Preface vii Related Publications _ i viii Obtaining Documentation and Submitting a Service Request i viii cuapter 1 Product Overview 1 1 Switch Models 1 2 Cable Side 1 2 Ports 1 3 10 100BASE T Ports 1 4 PoE and PoE Ports 1 4 Dual Purpose Gigabit Ethernet Ports 1 5 SFP Modules 1 5 SFP Module Patch Cable 1 6 Power Input Terminal 1 7 Alarm Ports 1 7 Alarm Input 1 7 Alarm Output 1 7 Management Ports 1 8 LEDs 1 8 switch Panel LEDs 1 9 system LED 1 9 Power Supply Module LEDs 1 10 Alarm LEDs 1 10 Console LEDs 1 10 Port LEDs 1 11 PoE LED 1 11 Dual Purpose Port LEDs 1 12 SD Flash Memory Card LED 1 12 SD Flash Memory Card 1 12 Power Supply Side 1 12 Power Supply Side LEDs 1 14 Power Supply Features 1 14 Management Options 1 15 Network Configurations 1 16 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 Oii W Contents cuapter 2 Switch Installation 2 1 Warnings 2 1 Installation Guidelines 2 3 Verifying Switch Operation 2 3 Installing the Switch 2 4 Mounting into a Rack 2 4 Mounting Brackets 2 4 Attaching Brackets for 19 Inch Racks 2 5 Attaching Brackets for 19 Inch Racks IP 30 Compliance 2 7 Attaching Brackets for 23 Inch Racks 2 12 Attaching Brackets for ETSI Racks 2 13 Mounting the Switch into a Rack 2 15 Wall Mounting 2 16 Attaching Brackets tor Wall Mounting 2 16 Wall
35. all the Program window appears Click Install Step5 The InstallShield Wizard Completed window appears Click Finish Step6 Connect the USB cable to the PC and to the switch console port The USB console port LED turns green and the Found New Hardware Wizard appears Follow the instructions to complete the driver installation Installing the Cisco Microsoft Windows 2000 USB Driver Step 1 Obtain the file Cisco_usbconsole_driver zip from Cisco com and unzip it Note You can download the driver file from the Cisco com software download site Step2 Double click the setup exe file Step3 The Cisco Virtual Com InstallShield Wizard begins Click Next Step4 The Ready to Install the Program window appears Click Install Cisco CGS 2520 Hardware Installation Guide C4 OL 31444 01 AppendixC Configuring the Switch with the CLI Setup Program Accessing the CLI Through the Console Port W Step5 The InstallShield Wizard Completed window appears Click Finish Step6 Connect the USB cable to the PC and to the switch console port The USB console port LED turns green and the Found New Hardware Wizard appears Follow the instructions to complete the driver installation Installing the Cisco Microsoft Windows Vista USB Driver Step 1 Obtain the file Cisco_usbconsole_driver zip from Cisco com and unzip it ND Note You can download the driver file from the Cisco com software download site Step2 If using 32 bit Windows Vista
36. ance The information in this section includes e Switch Panel LEDs page 1 9 e System LED page 1 9 e Power Supply Module LEDs page 1 10 e Alarm LEDs page 1 10 e Console LEDs page 1 10 e Port LEDs page 1 11 e Dual Purpose Port LEDs page 1 12 Cisco CGS 2520 Hardware Installation Guide 1 8 OL 31444 01 Chapter1 Product Overview LEDs W e SD Flash Memory Card LED page 1 12 e Power Supply Side LEDs page 1 14 Switch Panel LEDs Figure 1 6 Switch LEDs Cable Side VAAN ZZ ret a EXPRESS enn SETUP 8X 10X 16X 18X 2X 24X 0000800 088 8 00 0 ETHERNET PORTS 207198 1 SYS system 9 OUT alarm output 2 ICON console 10 PSU1 power supply 1 3 USB 11 PSU2 power supply 2 4 ISD SD flash memory card 12 PoE 5 INI alarm input 1 13 Express Setup button 6 IN2 alarm input 2 14 Ethernet ports 7 IN3 alarm input 3 15 SFP module port 8 IN4 alarm input 4 16 10 100 1000 port 1 Only on the Cisco CGS 2520 16S 8PC switch System LED Table 1 3 System LED Color System Status Off System is not powered on Blinking green POST is in progress Green System is operating normally Amber System is receiving power but is not functioning properly Cisco CGS 2520 Hardware Installation Guide OL 31444 01 1 9 Chapter1 Product Overview E LEDs 1 POST power on self test Power Supply Module LEDs The switch power supply modu
37. and CGS 2520 16S 8PC Switches Figure 4 2 Serial Number Location for the Power Supply Modules Chingy PWR RGD AC DC PSU OK 207452 on Cisco CGS 2520 Hardware Installation Guide 4 6 OL 31444 01 APPENDIX A Technical Specifications This appendix contains the following topics e Switch Specifications page A 1 e Power Supply Module Specifications page A 4 Switch Specifications Table A 1 Environmental and Physical Specifications Environmental Ranges Operating temperature 40 to 140 F 40 to 60 C Storage temperature 40 to 185 F 40 to 85 C Relative humidity 5 to 95 noncondensing Operating altitude Up to 10 000 ft 3049 m Storage altitude Up to 15 000 ft 4570 m Thermal spacing 1 75 in 4 4 cm Operating shock 30 gat 11 ms Physical Specifications Weight Cisco CGS 2520 24TC 9 1 lb 4 1 kg no power supply module Cisco CGS 2520 16S 8PC 10 lb 4 5 kg no power supply module Dimensions H x D x W Cisco CGS 2520 24TC 1 75 x 17 5 x 14 0 in 4 45 x 44 5 x 35 6 cm Cisco CGS 2520 16S 8PC 1 75 x 17 5 x 14 0 in 4 45 x 44 5 x 35 6 cm 1 The maximum operating temperature of the switch varies depending on the type of SFP module that you use See Table 1 2 on page 1 6 for information on the supported temperature ranges for the SFPs Cisco CGS 2520 Hardware Installation Guide OL 31444 01 AT Appendix A Technical Specifications W
38. apters e SFP Module Cables page B 4 e Cable Pinouts page B 6 e Console Port Adapter Pinouts page B 8 SFP Module Cables Each port must match the wave length specifications on each end of the cable and for reliable communications the cable must not exceed the allowable length Copper 1000BASE T SFP transceivers use standard four twisted pair Category 5 or greater cable at lengths up to 328 feet 100 meters Note The maximum operating temperature of the switch varies depending on the type of SFP module that you use See Table 1 2 on page 1 6 for information on the supported temperature ranges Table B 1 Fiber Optic SFP Module Port Cabling Specifications Core Modal Type of SFP Wavelength Size Cladding Bandwidth Module nanometers Fiber Type Size micron MHz km Cable Distance Industrial and Rugged SFPs 1O00BASE SX 850 MMF 62 5 125 160 722 feet 220 m GLC SX MM 62 5 125 200 902 feet 275 m RGD 50 125 400 1640 feet 500 50 125 500 m 1804 feet 550 m 1000BASE LX 1310 SMF G 652 32 810 feet 10 LH km GLC LX SM RGD 100BASE LX 1310 SMF G 652 32 810 feet 10 GLC FE 100L km X RGD 1OOBASE FX 1310 MMF 50 125 500 6 562 feet 2 GLC FE 100F 62 5 125 500 km X RGD 6 562 feet 2 km 1000BASE ZX 1550 SMF G 6527 43 4 to 62 miles GLC ZX SM 70 to 100 km RGD Commercial SFPs 1000BASE BX 1490 TX SMF G 652 32 810 feet 10 10 D 1310 RX km GL
39. arity e None flow control Step4 Connect power to the switch as described in the Power Supply Module Installation section on page 3 2 Step5 The PC or terminal displays the bootloader sequence Press Enter to display the setup prompt Follow the steps in the Completing the Setup Program section on page C 7 Cisco CGS 2520 Hardware Installation Guide C 2 OL 31444 01 AppendixC Configuring the Switch with the CLI Setup Program Accessing the CLI Through the Console Port W USB Console Port Step 1 Step 2 Step 3 Step 4 If you are connecting the switch USB console port to a Windows based PC for the first time install a USB driver See Figure C 2 e Installing the Cisco Microsoft Windows XP USB Driver page C 4 e Installing the Cisco Microsoft Windows 2000 USB Driver page C 4 e Installing the Cisco Microsoft Windows Vista USB Driver page C 5 Figure C 2 Connecting the USB Console Cable 1 USB console port 3 USB port on the PC 2 USB cable a Connect an USB cable to the PC USB port Connect the other end of the cable to the switch mini B 5 pin connector USB console port see Figure C 2 To identify the COM port assigned to the USB console port Choose Start gt Control Panel gt Systems Click the Hardware tab and choose Device Manager Expand the Ports section The assigned COM port appears in parenthesis at the end of the line with this entry Cisco USB System Management Console
40. at You Need section on page 3 3 60531 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 3 9 Chapter3 Power Supply Installation HE Power Supply Module Installation Figure 3 12 Crimping the Spade Terminal Lug 207427 i Step6 Loosen the terminal screw and slide the terminal under the screw and washer see Figure 3 14 Note Use the appropriate terminal screws depending on whether you are installing a high voltage AC or DC or a low voltage DC power supply Step7 AC power connection Connect the line wire into the terminal screw labeled L and the neutral wire into the terminal screw labeled N Make sure that you cannot see any wire lead Only wire with insulation should extend from the terminal screw Figure 3 13 Connecting the Wires to the High Voltage AC Power PSU1 D H ck 5 am 90 207429 a DC power connection Connect the positive wire into the terminal screw labeled and the negative wire into the terminal screw labeled Make sure that you cannot see any wire lead Only wire with insulation should extend from the terminal screw Cisco CGS 2520 Hardware Installation Guide 3 10 OL 31444 01 Chapter3 Power Supply Installation Removing the Power Supply Module i D Note If you have a low voltage DC power supply module connect the wires to the terminals labeled Lo If you have a high voltage DC power supply module connect the wires to the terminals labele
41. atch is obstructed and you cannot use your finger use a small flat blade screwdriver or other long narrow instrument Cisco CGS 2520 Hardware Installation Guide 2 20 OL 31444 01 Chapter2 Switch Installation Inserting and Removing the SFP Module Patch Cable Hi Figure 2 18 Removing a Bale Clasp Latch SFP Module tt tie a m Ti ai n Step5 Grasp the SFP module and carefully remove it from the slot Step6 Place the module in an anti static bag or other protective environment Inserting and Removing the SFP Module Patch Cable Step1 Attach an ESD preventive wrist strap to your wrist and to a bare metal surface Step2 Insert the SFP module patch cable into the slot until you feel the connector on the cable snap into place at the rear of the slot see Figure 2 19 Figure 2 19 Inserting an SFP Module Patch Cable b a E E J t enfe ET at rae Step3 Repeat these steps for the second switch that you want to connect to the first switch Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 21 Chapter2 Switch Installation W Replacing the SD Flash Memory Card Figure 2 20 Connecting Two Switches with an SFP Module Patch Cable Removing the SFP Module Patch Cable To remove an SFP module patch cable from the SFP module slot release the connector and pull it from the slot Replacing the SD Flash Memory Card _A Warning Be aware that the SD card contains sensitive an
42. ble 3 1 Power Supply Modules Model Description PWR RGD LOW DC _ Low voltage DC For voltage information see Table A 8 on page A 4 PWR RGD AC DC High voltage AC or DC For voltage information see Table A 7 on page A 4 PWR RGD AC DC C For China High voltage AC or DC For voltage information see Table A 7 on page A 4 W Each power supply module can support an equivalent PoE load of two PoE ports or four PoE ports When both power supply modules are installed the system has enough power to support four PoE ports or eight PoE ports If ports are designated as high priority and low priority PoE or PoE ports at the command line interface CLI and one power supply module fails or is removed power to the high priority ports is maintained and power to the low priority ports is dropped When assigning priority to PoE or PoE ports it is important to assign priorities on the basis of power supply capacity Cisco CGS 2520 Hardware Installation Guide OL 31444 01 3 1 Chapter3 Power Supply Installation W Power Supply Module Installation Figure 3 1 PWR RGD AC DC Power Supply Module PWR RGD AC DC Y 5 4 a 207215 Figure 3 2 PWR RGD LOW DC Power Supply Module 207232 1 Power supply module 3 Captive screw 2 IPSU OK LED For a description of the PSU OK LEDs see the Power Supply Module LEDs section on page 1 10 Power Supply Module Installation e Installation Guidelines pag
43. d Hi Figure 3 14 Connecting the Wires to the Low Voltage DC Power PSU2 29909 H A as Step8 Torque the captive screws above the wires to 8 5 in lb 0 5 in lb Step9 AC power Connect the other end of the line wire the one connected to L to the line terminal on the AC power source and connect the other end of the neutral wire the one connected to N to the neutral terminal on the AC power source DC power Connect the other end of the positive wire the one connected to to the positive terminal on the DC power source and connect the other end of the negative wire the one connected to to the negative terminal on the DC power source Step 10 Close the power input terminal cover Use a ratcheting torque screwdriver to torque the screw to 6 8 in lb Step11 Turn on the power at the AC or DC circuit verify that the PSU or PSU2 LED on the switch and PSU OK LED on the power supply module are green Step12 If you have two power supplies repeat Step 1 through Step 11 See the switch software guide for information on how to configure the power supply settings Removing the Power Supply Module The power supply modules are hot swappable By removing the power supply modules you can power off the switch without disconnect the wiring from the power input terminal Cisco CGS 2520 Hardware Installation Guide OL 31444 01 3 11 Chapter3 Power Supply Installation W Removing the Power Supply Mod
44. d security relevant information including but not limited to full device configuration information public and private keys used for SSH and SSL if those protocols are enabled device passwords and others Access to SD cards for any Cisco CGS switch should be limited to authorized personnel Step1 Locate the Secure Digital SD flash memory card slot on the cable side of the switch Step2 Use a number 1 Phillips screwdriver to loosen the captive screw see Figure 2 21 Cisco CGS 2520 Hardware Installation Guide 2 22 OL 31444 01 Chapter2 Switch Installation Replacing the SD Flash Memory Card Hi Figure 2 21 Loosening the Captive Screw Step3 Pull the cover open and pull the cover tabs from the hinge see Figure 2 22 Figure 2 22 Removing the SD Slot Cover J E u p n Step4 Gently push the SD flash memory card to eject it see Figure 2 23 Place it in an antistatic bag to protect it from static discharge Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 23 Chapter2 Switch Installation W Connecting Devices to the Ethernet Ports Figure 2 23 Removing the SD Flash Memory Card Step5 Push the replacement card upside down into the slot and press it firmly in place The card is keyed so that you cannot insert it the wrong way Step6 Begin replacing the cover by placing the SD slot cover tabs into the hinge Step7 Close the cover and use a ratcheting
45. d to see if the port is error disabled disabled or shutdown Re enable the port if necessary e Verify the cable type Many legacy powered devices including older Cisco IP phones and access points that do not fully support IEEE 802 3af or IEEE 802 PoE and PoE standards might not support PoE or PoE when connected to the switch by a crossover cable Replace the crossover cable with a straight through cable gt Caution Noncompliant cabling or powered devices can cause a PoE or PoE port fault Use only compliant cabling to connect Cisco prestandard IP Phones and wireless access points IEEE 802 3af or IEEE 802 3at compliant devices SFP Module Use only Cisco SFP modules Each Cisco module has an internal serial EEPROM that is encoded with security information This encoding verifies that the module meets the requirements for the switch e Inspect the SFP module Exchange the suspect module with a known good module e Verify that the module is supported on this platform The switch release notes on Cisco com list the SFP modules that the switch supports e Use the show interfaces privileged EXEC command to see if the port or module is error disabled disabled or shutdown Re enable the port if needed e Make sure that all fiber optic connections are clean and securely connected Cisco CGS 2520 Hardware Installation Guide OL 31444 01 4 3 Chapter4 Troubleshooting W Diagnosing Problems Interface Sett
46. double click the setup exe file in the Windows_32 folder If using 64 bit Windows Vista double click the setup x64 exe file in the Windows_64 folder Step3 The Cisco Virtual Com InstallShield Wizard begins Click Next Step4 The Ready to Install the Program window appears Click Install Note Ifa User Account Control warning appears click Allow I trust this program Step5 The InstallShield Wizard Completed window appears Click Finish Step6 Connect the USB cable to the PC and to the switch console port The USB console port LED turns green and the Found New Hardware Wizard appears Follow the instructions to complete the driver installation Uninstalling the Cisco Microsoft Windows USB Drivers Uninstalling the Cisco Microsoft Windows XP and 2000 USB Driver The driver can be removed with the Windows Add or Remove Programs utility or with the setup exe file Using the Add or Remove Programs Utility A Note Disconnect the switch console terminal before uninstalling the driver Step 1 Choose Start gt Control Panel gt Add or Remove Programs Step 2 Scroll to Cisco Virtual Com and click Remove Step3 When the Program Maintenance window appears select the Remove radio button Click Next Cisco CGS 2520 Hardware Installation Guide OL 31444 01 C5 Appendix C Configuring the Switch with the CLI Setup Program W Entering the Initial Configuration Information Using the Setup exe Program ND Note Di
47. e 3 3 e Installing a Power Supply Module page 3 3 e Wiring the Power Source page 3 7 e Removing the Power Supply Module page 3 11 Cisco CGS 2520 Hardware Installation Guide 3 2 OL 31444 01 Chapter3 Power Supply Installation Power Supply Module Installation E Installation Guidelines Warning Note Warning Warning Warning A Warning Warning A Caution Observe these guidelines when removing or installing a power supply module A power supply module that is only partially connected to the switch disrupts the system operation Blank faceplates and cover panels serve three important functions they prevent exposure to hazardous voltages and currents inside the chassis they contain electromagnetic interference EMI that might disrupt other equipment and they direct the flow of cooling air through the chassis Do not operate the system unless all cards faceplates front covers and rear covers are in place statement 1029 You can order the blank cover part number RPS CG COVER Do not reach into a vacant slot while installing or removing a module Exposed circuitry is an energy hazard Statement 206 Only trained and qualified personnel should be allowed to install replace or service this equipment statement 1030 Do not work on the system or connect or disconnect cables during periods of lightning activity statement 1001 I
48. e low voltage power supply module and 16 AWG minimum wire for the high voltage power supply module e For power source connections use wires rated for at least 194 F 90 C e UL and CSA rated style 1007 or 1569 twisted pair copper wire such as Belden part number 9318 e Wire stripping tools for stripping 6 10 12 14 and 16 gauge wires e Number 2 Phillips screwdriver e Flat blade screwdriver Grounding the Switch Follow the grounding procedures at your site and observe these warnings A Warning This equipment must be grounded Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available Statement 1024 A Warning When installing or replacing the unit the ground connection must always be made first and disconnected last Statement 1046 A Caution Follow the grounding procedure instructions and use a UL listed lug included with the switch for number 6 AWG wire and 10 32 ground lug screws N Note You can use the grounding lug to attach a wrist strap for ESD protection during servicing Cisco CGS 2520 Hardware Installation Guide 3 4 OL 31444 01 Chapter3 Power Supply Installation Power Supply Module Installation Hi Follow these steps to install a dual hole lug on the switch Be sure to fol
49. ed by Cisco could void the FCC approval and negate your authority to operate the product The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California Berkeley UCB as part of UCB s public domain version of the UNIX operating system All rights reserved Copyright 1981 Regents of the University of California NOTWITHSTANDING ANY OTHER WARRANTY HEREIN ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED AS IS WITH ALL FAULTS CISCO AND THE ABOVE NAMED SUPPLIERS DISCLAIM ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and or its affiliates in the U S and other countries To view a list of Cisco trademarks go to this URL www cisco com go trademarks Third party trademarks mentioned are the property of their respective owners The use of the word partner does not imply a partnership relationship between Cisco and any other company 1110R No combinations are authorized or intended under this document Any Internet Protocol IP addresses used in this document are not intended to be actual addresses Any examples command display output and figures included in the document are shown for illustrative purposes only Any use of actual IP
50. esignated as high priority and low priority PoE or PoE ports at the command line interface CLI and one power supply module fails or is removed power to the high priority ports is maintained and power to the low priority ports is dropped When assigning priority to PoE or PoE ports it is important to assign priorities on the basis of power supply capacity For information about configuring and monitoring PoE ports see the CGS 2520 Switch Software Configuration Guide on Cisco com For information about port connections and port specifications see the Connecting Devices to the Ethernet Ports section on page 2 24 and the Connector and Cable Specifications section on page B 1 Cisco CGS 2520 Hardware Installation Guide 1 4 OL 31444 01 Chapter1 Product Overview Ports W D Note The output of the PoE circuit has been evaluated as a Limited Power Source LPS per IEC 60950 1 Dual Purpose Gigabit Ethernet Ports You can configure the dual purpose ports on the switch as either 10 100 1000 ports or as SFP module ports You can set the 10 100 1000 ports to autonegotiate or you can configure them as fixed 10 100 or 1000 Mb s Gigabit Ethernet ports By default the switch selects the medium for each dual purpose port 10 100 1000BASE T or SFP When a link is achieved on one media type the switch disables the other media type until the active link goes down If links are active on both media the SFP module
51. g brackets you need to install the rubber plugs into the unused mounting holes of the switch chassis You can get the appropriate rubber plugs by ordering kit CGS 2520 IP30KIT Follow the procedure below to install the rubber plugs Step1 Determine whether you will install using the mid mount cable side or power supply side positioning by identifying your bracket mounting positions shown in Figure 2 9 and Figure 2 10 Step2 Insert the rubber plugs into the appropriate holes according to your mount position as shown in Figure 2 6 and Figure 2 7 Follow the same procedure for both sides of the switch Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 7 Chapter2 Switch Installation W installing the Switch Figure 2 6 Inserting the Rubber Plugs 1 Rubber plug 3 Cable side mounting position 2 Mid mount position 4 Power supply side mounting position Cisco CGS 2520 Hardware Installation Guide 2 8 OL 31444 01 Chapter2 Switch Installation Installing the Switch W Figure 2 7 Inserting the Rubber Plugs 1 Rubber plug 3 Power supply side mounting position 2 Cable side mounting position Step3 Use a screwdriver or pen to completely push in the rubber plugs Figure 2 8 shows a close up of the rubber plug and how they are inserted into the mounting holes Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 9 Chapter2 Switch Installation W installing the Switch Figure 2
52. gure 2 14 Attaching 19 inch Rack Brackets for Wall Mounting 1 1 Phillips truss head screws Wall Mounting for IP 30 Compliance Follow these steps to mount the switch onto a wall and conform to IP 30 Compliance regulations Step1 Insert the rubber plugs into the appropriate holes see Figure 2 15 Follow the same procedure for the other side of the switch Step2 Use a screwdriver or pen to completely push in the rubber plugs see Figure 2 8 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 17 Chapter 2 Switch Installation W installing the Switch Figure 2 15 Inserting the Rubber Plugs into the Switch Holes l I I I I i it af eee oe G as TAr etal ah 1 Rubber plug Step3 Install the brackets on both sides of the switch see Figure 2 16 Figure 2 16 Attaching 19 inch Rack Brackets aI TEI E w h ees PERE ota ae w 7 T r EiL W 1 Phillips truss head screws Cisco CGS 2520 Hardware Installation Guide 2 18 OL 31444 01 Chapter2 Switch Installation Installing and Removing SFP Modules W Installing and Removing SFP Modules Small form factor pluggable SFP modules provide the uplink optical interfaces laser send TX and laser receive RX When installing or removing SFP modules observe these guidelines e Removing and installing an SFP module can shorten its useful life Do not remove and insert any module more often than is absol
53. he other side does not have link A port LED that is on does not guarantee that the cable is functional It might have encountered physical stress causing it to function at a marginal level If the port LED does not turn on e Connect the cable from the switch to a known good device Cisco CGS 2520 Hardware Installation Guide 4 2 OL 31444 01 Chapter4 Troubleshooting Diagnosing Problems e Make sure that both ends of the cable are connected to the correct ports e Verify that both devices have power e Verify that you are using the correct cable type See the Connector and Cable Specifications section on page B 1 for information e Look for loose connections Sometimes a cable appears to be seated but is not Disconnect the cable and then reconnect it 10 100 and 10 100 1000 Port Connections A port appears to malfunction e Verify the status of all ports See Table 1 8 on page 1 11 for descriptions of the LEDs and their meanings e Use the show interfaces privileged EXEC command to see if the port is error disabled disabled or shut down Re enable the port if necessary e Verify the cable type See the Connector and Cable Specifications section on page B 1 10 100 PoE Port Connections A powered device connected to a PoE port does not receive power e Verify the status of all the ports See Table 1 8 for descriptions of the LEDs and their meanings e Use the show interfaces privileged EXEC comman
54. her devices Where to Go Next After the switch is mounted onto the rack do the following e Wire the switch to a power source see the Power Supply Installation chapter e For configuration instructions about the CLI setup program see the Configuring the Switch with the CLI Setup Program section on page C 1 e You can use the default configuration installed on the switch or use any of the management options described in the Management Options section on page 1 15 to change the switch settings Cisco CGS 2520 Hardware Installation Guide 2 26 OL 31444 01 CHAPTER Power Supply Installation This chapter describes how to remove and install a new or replacement power supply Your switch ships with at least one installed power supply module AC or DC depending on your order The power supply modules are field replaceable units FRUs and are hot swappable For translations of the safety warnings in this chapter see the Regulatory Compliance and Safety Information for the Cisco CGS 2520 on the documentation CD and also on Cisco com e Power Supply Modules page 3 1 e Installation Guidelines page 3 3 e Grounding the Switch page 3 4 e Installing the Power Supply Module in the Switch page 3 6 e Wiring the Power Source page 3 7 e Removing the Power Supply Module page 3 11 Power Supply Modules For information on the power supply modules see the Power Supply Features section on page 1 14 Ta
55. ing spaces The secret password is encrypted and the enable password is in plain text Enter enable secret secret_password Step4 Enter an enable password and press Return Enter enable password enable_password Step5 Enter a virtual terminal Telnet password and press Return The password can be from 1 to 25 alphanumeric characters is case sensitive allows spaces but ignores leading spaces Enter virtual terminal password terminal password Step6 Optional Configure Simple Network Management Protocol SNMP by responding to the prompts You can also configure SNMP later through the CLI To configure SNMP later enter no Configure SNMP Network Management no no Step7 Enter the interface name physical interface or VLAN name of the interface that connects to the management network and press Return For this release always use vlan1 as that interface Enter interface name used to connect to the management network from the above interface summary vlan1 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 x Appendix C Configuring the Switch with the CLI Setup Program W Entering the Initial Configuration Information Step8 Configure the interface by entering the switch IP address and subnet mask and pressing Return The IP address and subnet masks shown below are examples Configuring interface vlani Configure IP on this interface yes yes IP address for this interface 10 4 120 106 Subnet mask
56. ings Ping End Device Verify that the interface is not disabled or powered off If an interface is manually shut down on either side of the link it does not come up until you re enable the interface Use the show interfaces privileged EXEC command to see if the interface is error disabled disabled or shut down on either side of the connection If needed re enable the interface Ping from the directly connected switch first and then work your way back port by port interface by interface trunk by trunk until you find the source of the connectivity issue Make sure that each switch can identify the end device MAC address in its Content Addressable Memory CAM table Spanning Tree Loops STP loops can cause serious performance issues that look like port or interface problems A unidirectional link can cause loops It occurs when the traffic sent by the switch is received by the neighbor but the traffic from the neighbor is not received by the switch A broken cable other cabling problems or a port issue could cause this one way communication You can enable UniDirectional Link Detection UDLD on the switch to help identify unidirectional link problems For information about enabling UDLD on the switch see the Understanding UDLD section in the switch software configuration guide on Cisco com Switch Performance e Speed Duplex and Auto Negotiation page 4 4 e Auto Negotiation and Network Interface Cards page 4 5 e Cabling D
57. ion If this does not solve the problem there could be a problem with the firmware or software on the NIC You can resolve this by upgrading the NIC driver to the latest version Cabling Distance If the port statistics show excessive FCS late collision or alignment errors verify that the cable distance from the switch to the connected device meets the recommended guidelines See the Cables and Adapters section on page B 4 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 4 5 Chapter4 Troubleshooting W Resetting the Switch to the Factory Default Settings Resetting the Switch to the Factory Default Settings Follow these steps to return your switch to the factory default settings S Note Resetting the switch deletes the configuration and reboots the switch To reset the switch 1 At the switch prompt enter enable and press Return or Enter 2 At the Privileged EXEC prompt switch enter setup and press Return or Enter The switch displays the prompt to run the initial configuration dialog See the Configuring the Switch with the CLI Setup Program section on page C 1 Finding the Switch Serial Number If you contact Cisco Technical Assistance you need to know the switch serial number Figure 4 1 and Figure 4 2 show the serial number locations You can also use the show version privileged EXEC command to see the switch serial number Figure 4 1 Serial Number Location for Cisco CGS 2520 24TC
58. is generated when the current stops e Closed means that no current flows through the contact referred to as a normally open contact The alarm is generated when the current flows This section contains the following alarm port information e Alarm Input page 1 7 e Alarm Output page 1 7 Alarm Input The alarm input is a dry contact alarm port You can connect up to four alarm inputs from devices such as a door a temperature gauge or a fire alarm to the alarm port You can use the CLI to set the alarm severity to minor major or critical An alarm generates a system message and turns on an LED See the Alarm LEDs section on page 1 10 for the LED descriptions Alarm Output The alarm output can be configured as a minor or major alarm Output alarms often control an external alarm such as a bell or a light To connect an external alarm device to the relay connect two relay contact wires to complete the electrical circuit See the Alarm Port section on page B 3 for information on the alarm pinouts Cisco CGS 2520 Hardware Installation Guide OL 31444 01 1 7 Chapter1 Product Overview E LEDs Management Ports You can connect the switch to a PC running Microsoft Windows or to a terminal server through either the RJ 45 console port or the USB console port e RJ 45 console port The RJ 45 connection uses an RJ 45 to DB 9 female cable e USB mini Type B console port 5 pin connector the USB connection uses a
59. istance page 4 5 Speed Duplex and Auto Negotiation Port statistics that show a large amount of alignment errors Frame Check Sequence FCS or late collisions errors might mean a speed or duplex mismatch A common issue occurs when duplex and speed settings are mismatched between two switches between a switch and a router or between the switch and a workstation or server Mismatches can happen when manually setting the speed and duplex or from auto negotiation issues between the two devices To maximize switch performance and to ensure a link follow one of these guidelines when changing the duplex or the speed settings e Let both ports autonegotiate both speed and duplex e Manually set the speed and duplex parameters for the interfaces on both ends of the connection e Ifaremote device does not autonegotiate use the same duplex settings on the two ports The speed parameter adjusts itself even if the connected port does not autonegotiate Cisco CGS 2520 Hardware Installation Guide 4 4Q OL 31444 01 Chapter4 Troubleshooting Diagnosing Problems W Auto Negotiation and Network Interface Cards Problems sometimes occur between the switch and third party network interface cards NICs By default the switch ports and interfaces autonegotiate Laptops or other devices are commonly set to autonegotiate yet sometimes issues occur To troubleshoot auto negotiation problems try manually setting both sides of the connect
60. ithin the temperature ranges listed in the Switch Specifications section on page A 1 e Relative humidity around the switch does not exceed 95 percent noncondensing e Altitude at the installation site is not higher than 10 000 feet e For 10 100 and 10 100 1000 fixed ports cable lengths from the switch to connected devices are not more than 328 feet 100 meters e For cable lengths for small form factor pluggable SFP module connections see the SFP Module Cables section on page B 4 and the module documentation e Airflow around the switch and through the vents is unrestricted To prevent overheating the switch must meet the minimum clearance of 1 75 inches 4 4 cm at the top and bottom For clearances needed for wall mounting see specifications in Wall Mounting section on page 2 16 amp Note If the switch is installed in a closed or multirack assembly take into consideration that the temperature around the switch might be greater than normal room temperature and that special accommodations in clearance must be made Verifying Switch Operation Before installing the switch in a rack or on a wall you should power on the switch and verify that the switch passes the power on self test POST To wire the switch to the power source see the Power Supply Module Installation section on page 3 2 When the switch begins POST the System LED blinks green and the other LEDs stay green When the switch pa
61. ition S Note For IP 30 compliance If you use 23 inch brackets you can insert the rubber plugs in the same holes as shown in Figure 2 7 or Figure 2 8 before installing the brackets Attaching Brackets for ETSI Racks Figure 2 12 shows the mounting bracket locations on the switch for cable side mounting and power side mounting onto an ETSI rack Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 13 Chapter2 Switch Installation W installing the Switch Figure 2 12 Attaching Brackets for ETSI Racks meal Me 1 Phillips flat head screws 3 Power supply side mounting position 2 Cable side mounting position Note For IP 30 compliance If you use ETSI brackets you can insert the rubber plugs in the same holes as shown in Figure 2 7 or Figure 2 8 before installing the brackets Cisco CGS 2520 Hardware Installation Guide 2 14 OL 31444 01 Chapter2 Switch Installation Installing the Switch W Mounting the Switch into a Rack After you attach the brackets onto the switch use the four supplied number 12 Phillips machine screws to attach the brackets to the rack as shown in Figure 2 13 Brackets for the 19 inch rack shown in this example Note We recommend attaching the cable guide to prevent the cables from obscuring the LED panels on the devices in the rack Use the supplied black screw shown in Figure 2 13 6 to attach the cable guide to the left or right bracket Figure 2 13
62. l damage or failure A cable might be just good enough to connect at the physical layer but it could corrupt packets as a result of subtle damage to the wiring or connectors You can identify this problem because the port has many packet errors or it constantly flaps loses and regains link e Exchange the copper or fiber optic cable with a known good cable e Look for broken or missing pins on cable connectors e Rule out any bad patch panel connections or media convertors between the source and the destination If possible bypass the patch panel or eliminate media convertors fiber optic to copper e Try the cable in another port to see if the problem follows the cable Ethernet and Fiber Optic Cables Make sure that you have the correct cable e For Ethernet use Category 3 copper cable for 10 Mb s UTP connections Use either Category 5 Category 5e or Category 6 UTP for 10 100 or 10 100 1000 Mb s connections e Verify that you have the correct fiber optic cable for the distance and port type Make sure that the connected device ports match and use the same type encoding optical frequency and fiber type e Determine if a copper crossover cable was used when a straight through was required or the reverse Enable auto MDIX on the switch or replace the cable See Table 2 1 for recommended Ethernet cables Link Status Verify that both sides have link A broken wire or a shutdown port can cause one side to show link even though t
63. lace cover when terminals are not in service Be sure uninsulated conductors are not accessible when cover is in place Statement 1086 Step1 Locate the AC and DC circuit breakers turn them OFF and tape them in the OFF position S Note Do not connect the switch to a power source that has an ON OFF switch Step2 Use a Phillips screwdriver to loosen the captive screw on the power input terminal and open the cover Cisco CGS 2520 Hardware Installation Guide OL 31444 01 3 7 Chapter3 Power Supply Installation HE Power Supply Module Installation Figure 3 9 Opening the Power Input Terminal Cover 100 240y 50 60 2A 100 240V 50 60Hz 2 L A N j 4 rane oF ys 100 250y k 24 oai a q PSU1 A A Lo S A q 3 The terminal screws labels are on the power input terminal cover see Figure 3 10 Figure 3 10 Power Input Terminal Line connection for high voltage AC PSU1 8 Line connection for high voltage AC for PSU2 Neutral connection for high voltage AC 9 Neutral connection for high voltage AC PSU1 PSU2 Positive connection for high voltage DC 10 Positive connection for high voltage DC PSU1 PSU2 Negative connection for high voltage DC 11 Negative connection for high voltage DC PSU1 PSU2 PSU1 power supply module 1 12 PSU2 power supply module 2 Positive connection for low voltage DC 13 Positive connection for low voltage DC
64. le LEDs are labeled PSU1 and PSU2 on the switch and PSU OK on the power supply module They show whether power supply modules 1 and 2 are receiving power See Figure 1 6 and Figure 1 9 Table 1 4 Power Supply Module LEDs Color System Status Off Power supply module 1 or 2 is not installed Green Valid input is present and the output is within the operating range Red Valid input is present and the output is outside the operating range or is not present Blinking red Valid input is not present Alarm LEDs Table 1 5 Alarm Input LEDs Color System Status Off No alarm Amber Minor alarm Red Major alarm Blinking red Critical alarm Table 1 6 Alarm Output LED Color System Status Green No alarm Red Relay closed alarm present Console LEDs The console LEDs show which console port is in use See Figure 1 6 and Figure 1 9 for the LED locations If you connect a cable to a console port the switch automatically uses that port for console communication If you connect two console cables the USB console port has priority Cisco CGS 2520 Hardware Installation Guide 1 10 OL 31444 01 Chapter1 Product Overview LEDs WE Table 1 7 RJ 45 and USB Console Port LEDs LED Color Description RJ 45 console port Green RJ 45 console port is active USB console port LED is off Off Port is not active USB console port is active USB console port Green USB console port is active RJ 45 con
65. low any grounding requirements at your site Step1 Use a Phillips screwdriver or a ratcheting torque screwdriver with a Phillips head to remove the ground screw from the cable side of the switch You need the screw in Step 4 Step2 Strip the 6 gauge ground wire to 0 5 inch 12 7 mm 0 02 inch 0 5 mm see Figure 3 3 Stripping more than the recommended amount of wire can leave exposed wire from the connector Figure 3 3 Stripping the Ground Wire 0 25 in 6 3 mm 0 02 in 0 5 mm m C Step3 Insert the ground wire into the terminal lug and crimp the terminal to the wire see Figure 3 4 60531 Figure 3 4 Crimping the Terminal Lug 280938 Step4 Slide the ground screw from Step 1 through the terminal lug Insert the ground screws into the opening on the cable side Figure 3 5 Attaching the Terminal Lug 207217 1 Dual hole terminal lug Cisco CGS 2520 Hardware Installation Guide OL 31444 01 3 5 Chapter3 Power Supply Installation HE Power Supply Module Installation Step 5 Step 6 Installing the Step 1 Step 2 Step 3 Use a ratcheting torque screwdriver to tighten the ground screws to 30 in lb 2 in Ib Attach the other end of the ground wire to a grounded bare metal surface such as a ground bus or a grounded bare rack Power Supply Module in the Switch We recommend that power be off at the AC or DC circuits Locate the circuit breakers turn them OFF and tape them in the O
66. m short term input voltage Power consumption with one PWR RGD LOW DC power supply module 18 to 75 VDC 26 8W 92 BTU per hour power rating 0 027 KVA 24Vdc Power consumption with two PWR RGD LOW DC power supply modules 30 7W 105 BTU per hour power rating 0 030 KVA 24Vdc Cisco CGS 2520 Hardware Installation Guide OL 31444 01 AS AppendixA Technical Specifications W Power Supply Module Specifications Power Supply Module Specifications Table A 6 Environmental Ranges Environmental and Physical Specifications for the AC and DC Power Supply Modules Operating temperature 40 to 140 F 40 to 60 C Storage temperature 49 to 185 F 45 to 85 C Relative humidity 5 to 95 noncondensing Altitude Up to 10 000 ft 3049 m Physical Specifications Weight PWR RGD AC DC PWR RGD LOW DC PWR RGD AC DC C 2 55 Ib 1 15 kg 2 5 Ib 1 13 kg 2 55 Ib 1 15 kg Dimensions H x W x D PWR RGD AC DC and PWR RGD LOW DC Table A 7 Power Specifications 1 58 x 7 x 5in 4x 17 8 x 12 7 cm without mounting flanges 1 58 x 8 15 x 5 in 4 x 20 7 x 12 7 cm with mounting flanges Specifications for the PWR RGD AC DC Power Supply Module Maximum output power Nominal input voltage 150 W 100 to 240 VAC 50 to 60 Hz 100 to 250 VDC Absolute maximum short term input voltage 85 to 265 VAC 47 to 63 Hz 88 to 300 VDC Input c
67. maximize performance either let the ports autonegotiate both speed and duplex or set the port speed and duplex parameters on both ends of the connection For simplified cabling the automatic medium dependent interface crossover auto MDIX feature is enabled by default With auto MDIX enabled the switch detects the required cable type for copper Ethernet connections and configures the interface accordingly Therefore you can use either a crossover or a straight through cable for connections to a 10 100 1000 Ethernet port regardless of the type of connected device See the switch software configuration guide or the switch command reference on Cisco com for more information about auto negotiation and auto MDIX If auto MDIX is disabled use the guidelines in Table 2 1 to select the cable for connecting the 10 100 1000 Ethernet ports to other devices See the Connector and Cable Specifications section on page B 1 for cable pinout descriptions Figure 2 24 Connecting to an Ethernet Port Connecting to the 10 100 PoE Ports The Cisco CGS 2520 16S 8PC switch and the CGS 2520 16S 8PC C switch 10 100 PoE ports have the same auto negotiation settings and cabling requirements as those in the Connecting to the 10 100 and 10 100 1000 Ports section on page 2 25 These ports provide PoE power See the PoE and PoE Ports section on page 1 4 for information on the cables and connectors The ports provide PoE support for device
68. nd if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users will be required to correct the interference at their own expense The following information is for FCC compliance of Class B devices This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If the equipment causes interference to radio or television reception which can be determined by turning the equipment off and on users are encouraged to try to correct the interference by using one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Modifications to this product not authoriz
69. nection SFP Module Connectors Figure B 2 Fiber Optic SFP Module LC Connector 58476 Warning Invisible laser radiation may be emitted from disconnected fibers or connectors Do not stare into beams or view directly with optical instruments Statement 1051 Cisco CGS 2520 Hardware Installation Guide B 2 OL 31444 01 AppendixB Connector and Cable Specifications Connector Specifications W 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 12345678 1 TPO TPO TP1 TP2 TP2 TP1 TP3 TP3 Oo N O oO A OO DN 60915 Alarm Port The alarm port uses an RJ 45 connector See the Alarm Ports section on page 1 7 for more information Normally open Alarm output common Figure B 4 Alarm Port Pinouts Pin Alarm connection 12345678 1 Alarm 1 input 2 Alarm 2 input 3 Normally closed 4 Alarm 3 input 5 Alarm 4 input 6 7 8 Alarm input common 207434 Alarm Ratings The following lists the alarm rating information e Alarm Input Electrical Specification 8V 1mA e Alarm Output Electrical Specification 30V 1A amp 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 E 3 3 Appendix B Connector and Cable Specifications W Cables and Adapters Cables and Ad
70. nge this configuration or to perform other management tasks enter commands at the Switch gt prompt Cisco CGS 2520 Hardware Installation Guide C8 OL 31444 01
71. nstalling a Power Supply Module This procedure is for installing a power supply module in the PSU1 or PSU2 slot The covers are an integral part of the safety design of the product Do not operate the unit without the covers installed Statement 1077 This unit might have more than one power supply connection All connections must be removed to de energize the unit Statement 1028 Equipment installation must comply with local and national electrical codes Equipment That You Need e Ratcheting torque flathead screwdriver that exerts up to 15 inch pound in lb of torque e Ring spade or flanged spade terminal Cisco CGS 2520 Hardware Installation Guide OL 31444 01 3 3 Chapter3 Power Supply Installation HE Power Supply Module Installation Ring terminal such as Tyco part number 2 34158 1 for 16 14 AWG or 2 34852 1 for 12 10 AWG wire Spade terminal such as Tyco part number 54367 2 for 16 14 AWG wire Flanged spade terminal such as Tyco part number 2 324165 1 for 16 14 AWG wire or 1 324581 1 for 12 10 AWG wire D Note For IP 30 compliance Use the 16 14 AWG wire and appropriate terminals for the AC or high voltage DC power supply Use the12 10 AWG wire and appropriate terminals for the low voltage DC power supply e Crimping tool such as Thomas amp Bett part number WT2000 ERG 2001 e 6 gauge copper ground wire such as Belden part number 9906 e 12 AWG wire minimum for th
72. outers you can use a two or four twisted pair straight through cable wired for OBASE T and 1OOBASE TX Figure B 5 shows the two twisted pair straight through cable schematics Figure B 7 shows the four twisted pair straight through cable schematics When connecting the ports to other devices such as switches or repeaters you can use a two or four twisted pair crossover cable Figure B 6 shows the two twisted pair crossover cable schematics Figure B 8 shows the four twisted pair crossover cable schematics If auto MDIX is disabled use a straight through cable to connect ports when only one port is labeled with an X Use a crossover cable to connect ports when both ports are labeled with an X or when both ports are not labeled with an X You can use Category 3 4 or 5 cabling when connecting to OBASE T compatible devices You must use Category 5 or higher cabling when connecting to I OOBASE TX compatible devices Note You can use the mdix auto interface configuration command in the CLI to enable the automatic medium dependent interface crossover auto MDIX feature When the auto MDIX feature is enabled the switch detects the required cable type for copper Ethernet connections and configures the interfaces accordingly Therefore you can use either a crossover or a straight through cable for connections to a copper 10 100 10 100 1000 or LOOOBASE T SFP module port on the switch regardless of the type of device on the other end of the con
73. power supply module slots Cisco CGS 2520 16S 8PC C For China 16 100 Mb s SFP module slots 8 10 1O0OBASE T PoE ports 2 dual purpose Gigabit Ethernet ports 2 10 100 1000BASE T ports and 2 SFP module slots and 2 AC and DC power supply module slots 1 SFP small form factor pluggable 2 PoE Power over Ethernet plus provides up to 30 W per port Cable Side The 10 100BASE T ports in Figure 1 1 are grouped in pairs The first member of the pair port 1 is above the second member port 2 on the left Port 3 1s above port 4 and so on The dual purpose ports are numbered and 2 Figure 1 1 Cisco CGS 2520 24TC Cable Side View Cisco CGS 2520 Hardware Installation Guide 1 2 OL 31444 01 Chapter1 Product Overview Ports W SD flash memory card slot LEDs RJ 45 console port USB mini Type B console port Express Setup button 10 100BASE T ports Dual purpose ports Power input terminal o c i Nuy amp Alarm port oa AeA IN 1 SD Secure Digital Thel00 Mb s SFP ports and the 10 100BASE T PoE ports are grouped in pairs The first member of the pair port 1 is above the second member port 2 on the left Port 3 is above port 4 and so on The dual purpose ports are numbered 1 and 2 Figure 1 2 Cisco CGS 2520 16S 8PC Cable Side View 8 n Ae uad j ea AEA AN SE el a a l l alll a I TEF R l a i sa g mie 5 la d S 1 Z
74. s compliant with IEEE 802 3af and also provide Cisco prestandard PoE support for Cisco IP Phones and Cisco Aironet Access Points On a per port basis you can control whether or not a port automatically provides power to a connected IP phone or an access point To access an advanced PoE planning tool use the Cisco Power Calculator on Cisco com http tools cisco com cpc launch jsp Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 25 Chapter2 Switch Installation E Where to Go Next You can use this application to calculate the power supply requirements for a specific PoE configuration The results show output current output power and heat dissipation Warning Voltages that present a shock hazard may exist on Power over Ethernet PoE circuits if interconnections are made using uninsulated exposed metal contacts conductors or terminals Avoid using such interconnection methods unless the exposed metal parts are located within a restricted access location and users and service people who are authorized within the restricted access location are made aware of the hazard A restricted access area can be accessed only through the use of a special tool lock and key or other means of security Statement 1072 gt Caution Category 5e and Category 6 cables can store high levels of static electricity Always ground the cables to a suitable and safe earth ground before connecting them to the switch or ot
75. sconnect the switch console terminal before uninstalling the driver Step 1 Run setup exe for Windows 32 bit or setup x64 exe for Windows 64 bit Click Next Step2 The InstallShield Wizard for Cisco Virtual Com appears Click Next Step3 When the Program Maintenance window appears select the Remove radio button Click Next Step4 When the Remove the Program window appears click Remove Step5 When the InstallShield Wizard Completed window appears click Finish Uninstalling the Cisco Microsoft Windows Vista USB Driver amp Note Disconnect the switch console terminal before uninstalling the driver Step1 Run setup exe for Windows 32 bit or setup x64 exe for Windows 64bit Click Next Step2 The InstallShield Wizard for Cisco Virtual Com appears Click Next Step3 When the Program Maintenance window appears select the Remove radio button Click Next Step4 When the Remove the Program window appears click Remove N Note If a User Account Control warning appears click Allow I trust this program to proceed Step5 When the InstallShield Wizard Completed window appears click Finish Entering the Initial Configuration Information To set up the switch you need to complete the setup program which runs automatically after the switch powers on You must assign an IP address and other configuration information necessary for the switch to communicate with the local routers and the Internet IP Settings You need
76. side has the LED panel and two power supply slots for the removable power supplies See Figure 1 7 and Figure 1 8 This section has information about e Power Supply Side LEDs page 1 14 e Power Supply Features page 1 14 Cisco CGS 2520 Hardware Installation Guide 1 12 OL 31444 01 Chapter 1 Product Overview Power Supply Side W Figure 1 7 Switch with One Power Supply Module 1 LED panel Power supply slot 1 3 Power supply slot 2 Figure 1 8 Switch with Both Power Supply Modules 1 PSU OK LED For a description of the PSU OK LED see Table 1 4 on page 1 10 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 1 13 Chapter1 Product Overview HE Power Supply Side Power Supply Side LEDs Figure 1 9 Switch LEDs TA ALARMS Sl iz gt a a L Ona nD O 2000000006006 80 15X 17X 23X 1 2 1X 7X 9X 00000008000806 000 8x 10X 16X 18X 2X 24X 000008008 86 0 00 0 ETHERNET PORTS 207199 Qe 1 SYS system 9 OUT alarm output 2 ICON console 10 PSU1 power supply 1 3 USB LED 11 PSU2 power supply 2 4 ISD SD flash memory card 12 PoE 5 INI alarm input 1 13 Express setup button 6 IN2 alarm input 2 14 Ethernet port 7 IN3 alarm input 3 15 10 100 1000 port 8 IN4 alarm input 4 16 SFP port _ Only on the Cisco CGS 2520 16S 8PC switch For a description of the LEDs see LEDs page 1 8 Power Supply Features
77. sole port LED 1s off Off Port is not active RJ 45 console port is active Port LEDs RJ 45 ports and SFP module slots have port LEDs Port LEDs as a group or individually provide information about the switch and about the individual ports Table 1 8 Meaning of Port LED Colors LED Color Meaning Off No link or port was administratively shut down Green Link present but not sending or receiving data Blinking green Activity Port is sending or receiving data Alternating green amber Link fault Error frames can affect connectivity and errors such as excessive collisions CRC errors and alignment and jabber errors are monitored for link faults Amber PoE LED Table 1 9 PoE LED Color Off Port is blocked by Spanning Tree Protocol STP and is not forwarding data After a port is reconfigured the port LED is amber for up to 30 seconds as STP searches for loops Meaning PoE PoE not enabled Green PoE PoE enabled and ports are functioning correctly Alternating green and amber PoE PoE enabled but power is disconnected or has failed on a low priority port Blinking amber PoE PoE enabled but power is disconnected or has failed on a high priority port Amber PoE PoE enabled and a PoE PoE circuit failure is detected Cisco CGS 2520 Hardware Installation Guide OL 31444 01 1 11 Chapter1 Product Overview MSD Flash Memory Card Dual Purpose Port L
78. sses POST the System LED turns green The other LEDs turn off and return to their operating status If the switch fails POST the System LED is amber Note Contact Cisco Systems immediately if your switch fails POST After a successful POST disconnect the power from the switch Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 3 Chapter2 Switch Installation W installing the Switch Installing the Switch The following installation information is covered in this section e Mounting into a Rack page 2 4 e Wall Mounting page 2 16 S Note After the switch is mounted onto the rack connect the power source to the switch For more information see the Power Supply Installation chapter Mounting into a Rack The following mounting procedures are explained in this section e Mounting Brackets page 2 4 e Attaching Brackets for 19 Inch Racks page 2 5 e Attaching Brackets for 19 Inch Racks IP 30 Compliance page 2 7 e Attaching Brackets for 23 Inch Racks page 2 12 e Attaching Brackets for ETSI Racks page 2 13 e Mounting the Switch into a Rack page 2 15 Warning To prevent bodily injury when mounting or servicing this unit in a rack you must take special precautions to ensure that the system remains stable The following guidelines are provided to ensure your safety e This unit should be mounted at the bottom of the rack if it the only rack in the rack e When mounting this unit in a par
79. tially filled rack load the rack from the bottom to the top with the heaviest component at the bottom of the rack o If the rack is provided with stabilizing devices install the stabilizers before mounting or servicing the unit in the rack Statement 1008 Mounting Brackets Figure 2 1 shows the 19 inch rack mounting brackets Figure 2 1 19 inch Mounting Brackets Cisco CGS 2520 Hardware Installation Guide 2 4 OL 31444 01 Chapter2 Switch Installation Installing the Switch Hi Figure 2 2 shows the 23 inch rack mounting brackets Figure 2 2 23 inch Mounting Brackets Figure 2 3 shows the ETSI rack mounting brackets Figure 2 3 ETSI Mounting Brackets Attaching Brackets for 19 Inch Racks Figure 2 4 and Figure 2 5 shows the 19 inch rack mounting bracket locations on the switch for cable side mounting and power side mounting onto an 19 inch rack Cisco CGS 2520 Hardware Installation Guide OL 31444 01 2 5 Chapter2 Switch Installation W installing the Switch Figure 2 4 Attaching Brackets for 19 Inch Racks Cisco CGS 2520 Hardware Installation Guide 2 6 OL 31444 01 Chapter2 Switch Installation Installing the Switch W Figure 2 5 Attaching Brackets for 19 Inch Racks PL Teac 1 Phillips flat head screws 3 Power supply side mounting position 2 Cable side mounting position Attaching Brackets for 19 Inch Racks IP 30 Compliance Before installing the mountin
80. torque number 1 Phillips screwdriver to torque the screw to 4 5 in lb Table 2 1 Ethernet Cables Auto MDIX Disabled Device Crossover Cable Straight Through Cable Switch to switch Yes No Switch to hub Yes No Switch to computer or server No Yes Switch to router No Yes Switch to IP phone No Yes 1 IOOBASE TX and 1000BASE T traffic requires twisted four pair Category 5 Category 5e or Category 6 cable IOBASE T traffic uses Category 3 or Category 4 cable Connecting Devices to the Ethernet Ports This section covers the following procedures e Connecting to the 10 100 and 10 100 1000 Ports page 2 25 e Connecting to the 10 100 PoE Ports page 2 25 Cisco CGS 2520 Hardware Installation Guide 2 24 OL 31444 01 Chapter2 Switch Installation Connecting Devices to the Ethernet Ports Hi Connecting to the 10 100 and 10 100 1000 Ports The 10 100 and 10 100 1000 Ethernet ports use standard RJ 45 connectors with Ethernet pinouts The maximum cable length is 328 feet 100 meters The LOOBASE TX and 1OOOBASE T traffic requires Category 5 Category 5e or Category 6 UTP cable The 1OBASE T traffic uses Category 3 or Category 4 cable The auto negotiation feature is enabled by default on the switch At this setting the switch ports configure themselves to operate at the speed of the attached device If the device does not support auto negotiation you can set the switch port speed and duplex parameters To
81. uide on Cisco com for an explanation of network configuration concepts The software configuration guide also provides network configuration examples for creating dedicated network segments that are interconnected through Ethernet connections Cisco CGS 2520 Hardware Installation Guide 1 16 OL 31444 01 CHAPTER Switch Installation This chapter contains the steps to install the switch Please read the topics and follow the steps in the following order e Warnings page 2 1 e Installation Guidelines page 2 3 e Verifying Switch Operation page 2 3 e Installing the Switch page 2 4 e Installing and Removing SFP Modules page 2 19 e Inserting and Removing the SFP Module Patch Cable page 2 21 e Replacing the SD Flash Memory Card page 2 22 e Connecting Devices to the Ethernet Ports page 2 24 e Where to Go Next page 2 26 Warnings These warnings are translated into several languages in the Regulatory Compliance and Safety Information for the Cisco CGS 2520 document that ships on the documentation CD These warning statements apply to all the switches Warning Before working on equipment that is connected to power lines remove jewelry including rings necklaces and watches Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals Statement 43 Warning Do not work on the system or connect or disconnect cables during periods
82. ule Step 1 Step 2 Step 3 A Warning Step 4 Step 5 gt Caution We recommend that power be OFF at the AC or DC circuits Locate the circuit breakers turn them OFF and tape them in the OFF position D Note If the power is not off at the AC or DC circuit breaker do not touch the power input terminal Verify that the PSU LED and PSU OK LED is blinking red or is off Use a Phillips screwdriver to loosen the captive screws that secure the power supply module to the switch see Figure 3 15 Hot surface Statement 1079 Figure 3 15 Removing the Screws Remove the power supply module from the power slot The power supply module might be hot see Figure 3 16 Install a new power supply module or a blank cover Figure 3 16 Removing the Power Supply Module To prevent exposure to hazardous voltages and to contain electromagnetic interference EMI either a power supply module or a blank cover must be in each power supply module slot at all times You can order the blank cover part number RPS CG COVER Cisco CGS 2520 Hardware Installation Guide 3 12 OL 31444 01 CHAPTER i Troubleshooting This chapter contains the following topics e Diagnosing Problems page 4 1 e Resetting the Switch to the Factory Default Settings page 4 6 e Finding the Switch Serial Number page 4 6 Diagnosing Problems The switch LEDs provide troubleshooting information about the switch
83. urrent AC 2 2 to 0 7 A 85 to 265 VAC DC 2 5 to 0 6 A 88 to 300 VDC Total input BTU Table A 8 Power Specifications AC 638 BTUs per hour DC 750 BTUs per hour Specifications for the PWR RGD LOW DC Power Supply Module Maximum output power 150 W Nominal input voltage 24 to 60 VDC Absolute maximum short term input voltage 18 to 75 VDC Input current Total output BTU 12 to 2 5 A 18 to 75 VDC 737 BTUs per hour Cisco CGS 2520 Hardware Installation Guide AG OL 31444 01 APPENDIX B Connector and Cable Specifications This appendix contains the following topics e Connector Specifications page B 1 e Cables and Adapters page B 4 Connector Specifications e 10 100 Ethernet Ports page B 1 e SFP Module Connectors page B 2 e Dual Purpose Ports page B 3 e Alarm Port page B 3 10 100 Ethernet Ports The 10 100 Ethernet ports use standard RJ 45 connectors and Ethernet pinouts with internal crossovers These ports have the send TD and receive RD signals internally crossed so that a twisted pair straight through cable and adapter can be attached Figure B 1 10 100 Port Pinouts Pin Label 12345678 RD RD TD NC NC TD NC NC CON OO fF OO N H5318 Cisco CGS 2520 Hardware Installation Guide OL 31444 01 B14 Appendix B Connector and Cable Specifications W Connector Specifications When connecting 10 100 ports to devices such as servers workstations and r
84. utely necessary e To prevent ESD damage follow your normal board and component handling procedures when connecting cables to the switch and other devices Warning Class 1 laser product Statement 1008 gt Caution Do not remove the dust plugs from the fiber optic SFP module port or the rubber caps from the fiber optic cable until you are ready to connect the cable The plugs and caps protect the SFP module ports and cables from contamination and ambient light gt Caution We strongly recommend that you not install or remove the SFP module while the fiber optic cable is attached to it because of the potential damage to the cables to the cable connector or to the optical interfaces in the SFP module Disconnect the cable before you remove or install an SFP module Installing SFP Modules This section describes how to install Small Form Factor pluggable SFP modules SFP modules are inserted into the SFP modules connected to the switch Step1 Attach an ESD preventive wrist strap to your wrist and to a bare metal surface Step2 Find the send TX and receive RX markings on the module top Note Onsome SFP modules the send and receive TX and RX markings might be replaced by arrows that show the direction send or receive of the connection Step3 Ifthe module has a bale clasp latch move it to the open unlocked position Step4 Align the module in front of the slot opening and insert until you feel the

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