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B-4

Catalyst 2975 Switch Hardware Installation Guide

OL-17784-01

Appendix B      Connector and Cable Specifications

Cables and Adapters

Cable Pinouts

Figure B-5

Four Twisted-Pair Straight-Through Cable Schematic

Figure B-6

Four Twisted-Pair Crossover Cable Schematic

CWDM

1470, 1510, 
1530, 1550, 
1570, 1590, 
1610 

SMF

G.652

—

43.4 to 62 miles (70 
to 100 km)

1.

Requires a mode-conditioning patch cord. An ordinary patch cord with MMF, 1000BASE-LX/LH SFP modules, and a short 
link distance can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP 
module with 62.5-micron diameter MMF, you must also install a mode-conditioning patch cord between the SFP module and 
the MMF cable on both the sending and receiving ends of the link. Link distances greater than 984 feet (300 m) require the 
mode-conditioning patch cord.

2.

ITU-T G.652 SMF as specified by the IEEE 802.3a standard.

3.

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.

Table B-1

Fiber-Optic SFP Module Port Cabling Specifications (continued)

SFP Module

Wavelength 
(nanometers)

Fiber Type

Core Size 
(micron)

Modal 
Bandwidth 
(MHz/km)

Cable Distance

1 TPO+

2 TPO-

3 TP1+

6 TP1-

1 TP1+

Switch

Router or PC

2 TP1-

3 TPO+

6 TPO-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

4 TP3+

5 TP3-

7 TP2+

8 TP2-

65272

1 TPO+

2 TPO-

3 TP1+

6 TP1-

1 TP0+

Switch

Switch

2 TP0-

3 TP1+

6 TP1-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

4 TP2+

5 TP2-

7 TP3+

8 TP3-

65274

Содержание 2975 - Catalyst LAN Base Switch

Страница 1: ...co Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Catalyst 2975 Switch Hardware Installation Guide November 2008 Text Part Number OL 17784 01 ...

Страница 2: ...r away from the television or radio Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses Modifications to this product not authorized by Cisco Systems Inc could void the FCC approval and negate your authority to operate the produc...

Страница 3: ... 4 RPS LED 1 4 Master LED 1 4 Port LEDs and Modes 1 4 Rear Panel 1 8 Stack Ports 1 8 Console Port 1 8 RPS Connector 1 9 Cisco RPS 2300 and RPS 675 1 9 AC Power Connector 1 9 Management Options 1 9 Network Configurations 1 10 C H A P T E R 2 Switch Installation 2 1 Preparing 2 1 Safety Warnings 2 1 Installation Guidelines 2 5 Box Contents 2 5 Tools and Equipment 2 5 Planning a Switch Stack 2 6 Stac...

Страница 4: ...Removing an SFP Module 2 18 10 100 1000 PoE Port Connections 2 19 Where to Go Next 2 20 C H A P T E R 3 Troubleshooting 3 1 Diagnosing Problems 3 1 Switch POST Results 3 1 Switch LEDs 3 1 Switch Connections 3 2 Bad or Damaged Cable 3 2 Ethernet and Fiber Cables 3 2 Link Status 3 2 10 100 1000 PoE Port Connections 3 3 SFP Module Issues 3 3 Interface Settings 3 3 Ping End Device 3 3 Spanning Tree Lo...

Страница 5: ... 10 100 1000 PoE B 1 SFP Module Connectors B 2 Cables and Adapters B 3 SFP Module Cables B 3 Cable Pinouts B 4 Console Port Adapter Pinouts B 6 A P P E N D I X C Configuring the Switch with the CLI Based Setup Program C 1 Accessing the CLI Through Express Setup C 1 Accessing the CLI Through the Console Port C 1 Connecting to the Console Port C 2 IP Settings C 2 Completing the Setup Program C 2 I N...

Страница 6: ...Contents vi Catalyst 2975 Switch Hardware Installation Guide OL 17784 01 ...

Страница 7: ...suggestions or references to materials not contained in this manual Caution Means reader be careful In this situation you might do something that could result in equipment damage or loss of data The safety warnings for this product are translated into several languages in the Regulatory Compliance and Safety Information for the Catalyst 2975 Switch that ships with the product The EMC regulatory st...

Страница 8: ...tsd_products_support_series_home html Cisco Small Form Factor Pluggable Modules Installation Notes http www cisco com en US products hw modules ps5455 products_device_support_tables_list html Cisco Gigabit Ethernet Transceiver Modules Compatibility Matrix Cisco 100 Megabit Ethernet SFP Modules Compatibility Matrix Cisco Small Form Factor Pluggable Modules Compatibility Matrix Compatibility Matrix ...

Страница 9: ...rough Cisco stack technology Unless otherwise noted the term switch refers to a standalone switch and to a switch stack Switch Model page 1 1 Front Panel page 1 1 Rear Panel page 1 8 Management Options page 1 9 Switch Model Front Panel The switch front panel in Figure 1 1 has the 10 100 1000 PoE ports the SFP module slots and the LEDs Table 1 1 Switch Model and Description Switch Model Part Number...

Страница 10: ... 7 7 W of PoE at the same time up to a maximum switch power output of 370 W On a per port basis you can control whether or not a port automatically provides power when an IP phone or an access point is connected For more information about port connections and port specifications see the 10 100 1000 PoE Port Connections section on page 2 19 and Appendix B Connector and Cable Specifications SFP Modu...

Страница 11: ...ble Specifications For an updated list of supported SFP modules see the switch release notes on Cisco com LEDs You can use the switch LEDs to monitor switch activity and its performance Figure 1 2 shows the switch LEDs and the Mode button that you use to select one of the port modes Figure 1 2 Switch LEDs and Mode Button 1 Mode button 6 Status LED 2 PoE LED 7 Master LED 3 Stack LED 8 RPS1 LED 1 RP...

Страница 12: ...lly Amber System is receiving power but is not functioning properly Table 1 3 RPS LED Color RPS Status Off RPS is off or not properly connected Green RPS is connected and ready to provide back up power Blinking green RPS is connected but is unavailable because it is providing power to another device redundancy has been allocated to a neighboring device Amber The RPS is in standby mode or in a faul...

Страница 13: ...or is in a fault condition Green PoE mode is selected and the port LEDs show the PoE status Blinking amber PoE mode is not selected At least one port was denied power or at least one port has a PoE fault Table 1 7 Meanings of LED Colors in Different Modes Port Mode Port LED Color Meaning PoE Off PoE is off If the powered device is receiving power from an AC power source the port LED is off even if...

Страница 14: ...ff No link or port was administratively shut down Green Link present 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 cyclic redundancy check CRC errors and alignment and jabber errors are monitored for a link fault indication Amber Port is blocked by Spanning Tree Protocol STP ...

Страница 15: ...e Stack LEDs are amber when the ports are down SFP module port LEDs 51 and 52 on the switch show the status for stack ports 1 and 2 respectively If the port LEDs are green on all the switches in the stack the stack is operating at full bandwidth If any port LED is not green the stack is not operating at full bandwidth 1 Stack member 1 3 Stack member 3 2 Stack member 2 Catalyst 2975G Series PoE 48 ...

Страница 16: ... these stack cables from your Cisco sales representative STACK CAB 50CM NH 0 5 meter cable STACK CAB 1M NH 1 meter cable STACK CAB 3M NH 3 meter cable Console Port You can connect the switch to a PC by means of the console port and the supplied RJ 45 to DB 9 female cable If you want to connect the switch console port to a terminal you need to provide an RJ 45 to DB 25 female DTE adapter You can or...

Страница 17: ...one failed device at a time The RPS automatically senses when the internal power supply of a connected device fails and provides power to the failed device preventing loss of network traffic For more information see the Related Publications section AC Power Connector The switch is powered through the internal power supply The internal power supply is an autoranging unit that supports input voltage...

Страница 18: ...ation 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 more information SNMP network management You can manage switches from a Simple Network Management Protocol SNMP compatible management station that is running platforms suc...

Страница 19: ...om Preparing Safety Warnings page 2 1 Installation Guidelines page 2 5 Box Contents page 2 5 Tools and Equipment page 2 5 Safety Warnings This section includes the basic installation caution and warning statements Read this section before you start the installation procedure Translations of the warning statements appear in the Regulatory Compliance and Safety Information for the Catalyst 2975 Swit...

Страница 20: ...1 Statement 370 Warning Read the wall mounting instructions carefully before beginning installation Failure to use the correct hardware or to follow the correct procedures could result in a hazardous situation to people and damage to the system Statement 378 Warning Do not work on the system or connect or disconnect cables during periods of lightning activity Statement 1001 Warning Read the instal...

Страница 21: ... 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 m...

Страница 22: ...gh the use of a special tool lock and key or other means of security Statement 1072 Warning No user serviceable parts inside Do not open Statement 1073 Warning Installation of the equipment must comply with local and national electrical codes Statement 1074 Caution To comply with the Telcordia GR 1089 Network Equipment Building Systems NEBS standard for electromagnetic compatibility and safety con...

Страница 23: ...dix A Technical Specifications Airflow around the switch and through the vents is unrestricted Temperature around the unit does not exceed 113 F 45 C If the switch is in a closed or multirack assembly the temperature around it might be greater than normal room temperature Cooling mechanisms such as fans and blowers in the switch can draw dust and other particles causing contaminant buildup inside ...

Страница 24: ...k The Catalyst 2975 switch does not support mixed stack configurations You cannot stack Catalyst 2975 switches with Catalyst 3750 switches or Catalyst 3750 E switches Depending on your installation you might need different cables sizes If you do not specify the length of the stack cable the 0 5 meter cable is supplied If you need the 1 meter or the 3 meter cable you can order it from your Cisco su...

Страница 25: ...k or on a table The connections are redundant Figure 2 2 Stacking Switches with 0 5 meter and 3 meter Stack Cables Figure 2 3 and Figure 2 4 show switch stacks that use the 3 meter stack cable in addition to the 0 5 meter cable The connections are redundant Figure 2 3 Stacking up to Eight Switches Side by Side Figure 2 4 Stacking Nine Switches Side by Side 250580 86825 90532 ...

Страница 26: ... This stack provides only half bandwidth and does not have redundant connections Figure 2 6 Stack with Half Bandwidth Connections In Figure 2 7 the stack cable is bad in link B therefore this stack provides only half bandwidth and does not have redundant connections In Figure 2 8 link B is bad therefore this stack partitions into two stacks and switch 1 and switch 3 are stack masters Figure 2 7 Ex...

Страница 27: ...or to manually elect the stack master see the Managing Switch Stacks chapter in the switch software configuration guide on Cisco com Installing the Switch This section describes these installation procedures Rack Mounting page 2 9 Wall Mounting page 2 13 Table or Shelf Mounting page 2 16 After Switch Installation page 2 16 Rack Mounting Installation in other than 19 inch racks requires an optional...

Страница 28: ...ckets Attaching the Rack Mount Brackets First remove the screws from the switch chassis so that the mounting brackets can be attached Figure 2 10 For bracket attachment remove one or two screws depending on the bracket mounting position Figure 2 10 Removing Screws from the Switch 132869 19 inch 23 24 inch ETSI Catalyst 2975G Series PoE 48 205084 ...

Страница 29: ...e of the bracket to each side of the switch Figure 2 11 Figure 2 11 Attaching Brackets for 19 inch Racks 1 Front mounting position 3 Mid mounting position 2 Number 8 Phillips flat head screws 4 Rear mounting position Catalyst 2975G Series PoE 48 Catalyst 2975G Series PoE 48 CONSOLE DC INPUTS FOR REMOTE POWER SUPPLY SPECIFIED IN MANUAL STACK 1 STACK 2 1 4 3 2 2 2 2 2 2 205081 ...

Страница 30: ... to the left or right bracket When you complete the switch installation see the After Switch Installation section on page 2 16 for more information on switch configuration Figure 2 12 Mounting the Switch in a Rack 1 Phillips machine screw black 4 Number 12 Phillips machine screws 2 Cable guide 5 Mid mounting position 3 Front mounting position 6 Rear mounting position 205082 Catalyst 2975G Series P...

Страница 31: ...ly before beginning installation Failure to use the correct hardware or to follow the correct procedures could result in a hazardous situation to people and damage to the system Statement 378 Attaching the Brackets for Wall Mounting Figure 2 13 shows how to attach a 19 inch bracket to one side of the switch Follow the same steps to attach the second bracket to the opposite side Figure 2 13 Attachi...

Страница 32: ...lips pan head screws to attach the RPS connector cover to the back of the switch Figure 2 14 Warning If an RPS is not connected to the switch install an RPS connector cover on the back of the switch Statement 265 Figure 2 14 Attaching the RPS Connector Cover 1 Phillips pan head screws 3 RPS connector 2 RPS connector cover CONSOLE DC INPUTS FOR REMOTE POWER SUPPLY SPECIFIED IN MANUAL STACK 1 STACK ...

Страница 33: ...mly attached plywood mounting backboard Mount the switch with the front panel facing up Figure 2 15 Warning To comply with safety regulations mount the switches on a wall with the front panel facing up Statement 266 Figure 2 15 Mounting on a Wall When you complete the switch installation see the After Switch Installation section on page 2 16 for more information on switch configuration 1 User supp...

Страница 34: ...ection Use the CLI setup program to enter the initial switch configuration See Appendix C Configuring the Switch with the CLI Based Setup Program Connect to the stack ports See the Connecting to the Stack Ports section on page 2 16 Connect to the front panel ports See the Installing SFP Modules section on page 2 17 and the 10 100 1000 PoE Port Connections section on page 2 19 Connecting to the Sta...

Страница 35: ...lace the dust covers to protect them from dust Installing SFP Modules See the SFP Module Slots section on page 1 2 and the switch release notes on Cisco com for the list of supported SFP modules Use only Cisco SFP modules on the switch Each Cisco module has an internal serial EEPROM that is encoded with security information This encoding provides a way for Cisco to identify and validate that the m...

Страница 36: ...ings might be replaced by arrows that show the direction of the connection either send or receive TX or RX Step 3 If the SFP module has a bale clasp latch move it to the open unlocked position Step 4 Align the SFP module in front of the slot opening and push until you feel the connector on the module snap into place Step 5 If the module has a bale clasp latch close it Step 6 For fiber optic SFP mo...

Страница 37: ...ate the power supply requirements for a specific PoE configuration The results show output current output power and system 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...

Страница 38: ...he switch ports configure themselves to operate at the speed of the attached device If the attached device does not support autonegotiation you can set the switch port speed and duplex parameters With auto MDIX the switch detects the required cable type for copper Ethernet connections and configures the interface accordingly If auto MDIX is disabled use Table 2 1 to select the correct cable See th...

Страница 39: ... the switch powers on it begins the power on self test POST a series of tests that runs automatically to ensure that the switch functions properly It might take several minutes for the switch to complete POST When the switch begins POST the switch status LEDs turn green The System LED blinks green and the other LEDs remain solid green When POST completes successfully the System LED stays green The...

Страница 40: ...et 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 For fiber optic connectors verify that you have the correct cable for the distance and port type Make sure that the connected device ports both match and use the same type encoding optical frequency and fiber type For copper connections determine...

Страница 41: ...module has an internal serial EEPROM that is encoded with security information This encoding provides a way for Cisco to identify and validate that the module meets the requirements for the switch Check these items Bad or wrong SFP module Exchange the suspect module with known good module Verify that the module is supported on this platform The switch release notes on Cisco com list the SFP module...

Страница 42: ...ging the duplex or speed settings Let both ports autonegotiate both speed and duplex Manually set the speed and duplex parameters for the ports on both ends of the connection If a remote device does not autonegotiate set the same duplex settings on the two ports The speed parameter adjusts itself even if the connected port does not autonegotiate Autonegotiation and Network Interface Cards Problems...

Страница 43: ...ditional 8 seconds and then the switch reboots The switch now behaves like an unconfigured switch You can configure the switch by using Express Setup as described in the switch getting started guide that is included with the switch You can also configure the switch by using the CLI setup procedure described in the Configuring the Switch with the CLI Based Setup Program appendix Finding the Switch ...

Страница 44: ...stack 4 Make the same connections on the replacement switch that were on the failed switch 5 Reinstall any modules and make cable connections 6 Turn on the replacement switch The replacement switch has the same configuration for all the interfaces as the failed switch and functions the same as the failed switch If you had manually set the member numbers for any members in the stack you need to man...

Страница 45: ...nsing Operating altitude Up to 10 000 ft 3049 m Storage altitude Up to 15 000 ft 4573 m Power Requirements AC input voltage 100 to 240 VAC autoranging 4 to 8 A 50 to 60 Hz DC input voltages for RPS 2300 and 675 12 V 14 A and 48 V 7 8 A Power consumption 560 W 1910 BTUs Power dissipation 190 W 648 BTUs Power rating 0 56 kVA Power over Ethernet Range from 4 to 15 4 W per port up to 370 W switch maxi...

Страница 46: ...A 2 Catalyst 2975 Switch Hardware Installation Guide OL 17784 01 Appendix A Technical Specifications ...

Страница 47: ... 1 Cables and Adapters section on page B 3 Connector Specifications 10 100 1000 PoE page B 1 SFP Module Connectors page B 2 Cables and Adapters page B 3 10 100 1000 PoE The 10 100 1000 PoE ports use standard RJ 45 connectors and Ethernet pinouts Figure B 1 10 100 1000 Port Pinouts 60915 2 3 1 4 5 6 7 8 Pin Label 1 2 3 4 5 6 7 8 TP0 TP0 TP1 TP2 TP2 TP1 TP3 TP3 ...

Страница 48: ...r and Cable Specifications Connector Specifications SFP Module Connectors Figure B 2 Duplex LC Cable Connector Figure B 3 Simplex LC Cable Connector Figure B 4 Copper SFP Module RJ 45 Connector 58476 57834 60915 2 3 1 4 5 6 7 8 Pin Label 1 2 3 4 5 6 7 8 TP0 TP0 TP1 TP2 TP2 TP1 TP3 TP3 ...

Страница 49: ...r twisted pair Category 5 cable at lengths up to 328 feet 100 meters Table B 1 Fiber Optic SFP Module Port Cabling Specifications SFP Module Wavelength nanometers Fiber Type Core Size micron Modal Bandwidth MHz km Cable Distance 100BASE FX Min 1270 Typical 1300 Max 1380 MMF 50 125 500 6 562 feet 2 km 1000BASE BX 1490 1310 SMF G 652 32 810 feet 10 km 1000BASE LX LH 1300 MMF1 SMF 62 5 50 50 G 6522 5...

Страница 50: ...atch cord between the SFP module and the MMF cable on both the sending and receiving ends of the link Link distances greater than 984 feet 300 m require the mode conditioning patch cord 2 ITU T G 652 SMF as specified by the IEEE 802 3a standard 3 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 qual...

Страница 51: ...air Straight Through Cable Schematic Figure B 8 Two Twisted Pair Crossover Cable Schematic Figure B 9 Identifying a Crossover Cable Switch 3 TD 6 TD 1 RD 2 RD Router or PC 3 RD 6 RD 1 TD 2 TD H5578 Switch 3 TD 6 TD 1 RD 2 RD Switch 3 TD 6 TD 1 RD 2 RD H5579 Pin 1 H10632 Pin 8 Pin 1 on one connector and pin 8 on the other connector should be the same color ...

Страница 52: ...to connect the switch console port to a terminal You can order a kit part number ACS DSBUASYN containing that adapter from Cisco Table B 2 Console Port Signaling with a DB 9 Adapter Switch Console Port DTE RJ 45 to DB 9 Terminal Adapter Console Device Signal DB 9 Pin Signal RTS 8 CTS DTR 6 DSR TxD 2 RxD GND 5 GND GND 5 GND RxD 3 TxD DSR 4 DTR CTS 7 RTS Table B 3 Console Port Signaling with a DB 25...

Страница 53: ...ess 10 0 0 1 Enter the setup user EXEC command Enter the information described in the IP Settings section on page C 2 and the Completing the Setup Program section on page C 2 After you have entered the configuration information for the switch save it to flash memory by using the write memory privileged EXEC command Note While in Express Setup mode the IP address 10 0 0 1 remains active on the swit...

Страница 54: ...e switch getting started guide 5 The PC or terminal displays the bootloader sequence Press Enter to display the setup prompt Follow the steps described in the Completing the Setup Program section on page C 2 IP Settings Obtain this information from your network administrator before you start the setup program Switch IP address Subnet mask IP netmask Default gateway router Enable secret password En...

Страница 55: ... device manager or the Network Assistant application To configure SNMP later enter no Configure SNMP Network Management no no Step 7 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 interf...

Страница 56: ...e GigabitEthernet1 0 23 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 save it in nonvolatile RAM NVRAM by selecting option 2 Enter your selection 2 2 Make your selection and p...

Страница 57: ...out B 5 recommended 2 20 stack cable connecting to 2 16 stack cable part numbers 1 8 straight through four twisted pair pinout B 4 two twisted pair pinout B 5 cables caution 1 8 cautions vii PoE faults 1 5 using approved cables 1 8 Cisco IOS command line interface 1 10 Cisco IP Phones connecting to 2 20 Cisco Network Assistant 1 9 Cisco Power Calculator 2 19 CiscoView 1 10 Class 1 laser warning 2 ...

Страница 58: ...3 to 1 6 PoE ports 1 2 SFP slots 1 2 G ground connection warning 2 3 H HP OpenView 1 10 I installation assigning the IP address 2 1 C 2 rack mounting 2 9 to 2 12 SFP modules 2 17 to 2 19 site requirements 2 5 starting the terminal emulation software C 2 table or shelf mounting 2 16 wall mounting 2 13 See also procedures interface troubleshooting 3 3 J jewelry removal warning 2 2 L LEDs color meani...

Страница 59: ... DB 9 terminal adapter B 6 SFP module ports B 2 straight through cables four twisted pair B 4 two twisted pair B 5 plug socket accessibility warning 2 3 PoE cable lengths 1 2 faults caution 1 5 LED 1 5 ports described 1 2 power planning tool 2 19 shock hazard warning 2 4 2 19 troubleshooting 3 3 port LEDs 1 4 to 1 6 port modes changing 1 3 LEDs 1 4 to 1 5 See also Mode button ports 10 100 1000 PoE...

Страница 60: ...9 stack ports 1 8 straight through cable pinout four twisted pair B 4 two twisted pair B 5 SunNet Manager 1 10 system LED 1 4 T table mounting 2 16 technical specifications A 1 telco racks 2 12 Telnet and accessing the CLI 1 10 temperature operating A 1 troubleshooting bad or damaged cable 3 2 connection problems 3 2 diagnosing problems 3 1 Ethernet and fiber cables 3 2 interface settings 3 3 link...

Страница 61: ...re Installation Guide OL 17784 01 PoE shock hazard 2 4 2 19 preventing bodily injury 2 2 2 9 removing jewelry 2 2 restricted access area 2 3 RPS connector cover 2 2 2 14 servicing equipment 2 3 stacking equipment 2 2 wall mounting 2 2 2 15 ...

Страница 62: ...Index IN 6 Catalyst 2975 Switch Hardware Installation Guide OL 17784 01 ...

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