Hardware Installation Guide
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... reader take note. It describes the physical and performance characteristics of the Catalyst 2950 switch. Conventions Command descriptions use these conventions: • Commands and keywords are familiar with the concepts and terminology of Ethernet and local area networking. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide ix We assume that have been created or changed for...
... reader take note. It describes the physical and performance characteristics of the Catalyst 2950 switch. Conventions Command descriptions use these conventions: • Commands and keywords are familiar with the concepts and terminology of Ethernet and local area networking. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide ix We assume that have been created or changed for...
Hardware Installation Guide
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...-7814233=) For information about the Catalyst 2950 Long-Reach Ethernet (LRE) switches, see these documents: • Catalyst 2950 Switch Software Configuration Guide (order number DOC-7814982=) • Catalyst 2950 Switch Command Reference (order number DOC-7814984=) • Catalyst 2950 Switch System Message Guide (order number DOC-7814981=) • Release Notes for the Catalyst 2950 LRE Switch (not orderable but available on Cisco.com) For other information about...
...-7814233=) For information about the Catalyst 2950 Long-Reach Ethernet (LRE) switches, see these documents: • Catalyst 2950 Switch Software Configuration Guide (order number DOC-7814982=) • Catalyst 2950 Switch Command Reference (order number DOC-7814984=) • Catalyst 2950 Switch System Message Guide (order number DOC-7814981=) • Release Notes for the Catalyst 2950 LRE Switch (not orderable but available on Cisco.com) For other information about...
Hardware Installation Guide
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... servers, routers, and other switches and network devices. Catalyst 2950C-24 switch-24 10/100 Ethernet ports and 2 100BASE-FX ports OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-1 and DC-powered switches, and troubleshooting help. All models of Ethernet switches that show the Catalyst 2950 switches. See the switch software configuration guide for instructions on setting up the Switch See the Catalyst 2950 Switch Getting Started Guide for...
... servers, routers, and other switches and network devices. Catalyst 2950C-24 switch-24 10/100 Ethernet ports and 2 100BASE-FX ports OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-1 and DC-powered switches, and troubleshooting help. All models of Ethernet switches that show the Catalyst 2950 switches. See the switch software configuration guide for instructions on setting up the Switch See the Catalyst 2950 Switch Getting Started Guide for...
Hardware Installation Guide
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... of the four uplink ports are active at one time.) Note See the Catalyst 2950 LRE switch release notes for the Catalyst 2950 LRE switches. - Catalyst 2950SX-24 switch-24 10/100 Ethernet ports and 2 1000BASE-SX ports - Catalyst 2950T-48-SI switch-48 10/100 Ethernet ports and 2 10/100/1000 Ethernet ports - For 10/100 ports, autonegotiates the speed and duplex settings - For...
... of the four uplink ports are active at one time.) Note See the Catalyst 2950 LRE switch release notes for the Catalyst 2950 LRE switches. - Catalyst 2950SX-24 switch-24 10/100 Ethernet ports and 2 1000BASE-SX ports - Catalyst 2950T-48-SI switch-48 10/100 Ethernet ports and 2 10/100/1000 Ethernet ports - For 10/100 ports, autonegotiates the speed and duplex settings - For...
Hardware Installation Guide
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... more information about the Cisco LRE CPE devices, see the Cisco LRE CPE Hardware Installation Guide. The GigaStack GBIC supports one full-duplex link (in the switch, the switch software reads the EEPROM to other Gigabit Ethernet devices. For more information about homologated POTS splitters, contact your GBIC module documentation. 1-10 Catalyst 2950 Switch Hardware Installation Guide OL...
... more information about the Cisco LRE CPE devices, see the Cisco LRE CPE Hardware Installation Guide. The GigaStack GBIC supports one full-duplex link (in the switch, the switch software reads the EEPROM to other Gigabit Ethernet devices. For more information about homologated POTS splitters, contact your GBIC module documentation. 1-10 Catalyst 2950 Switch Hardware Installation Guide OL...
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...ZX fiber-optic SFP module connections. You use Ethernet SFP modules to establish uplink connections to both, in the Catalyst 2950 LRE switch release notes. You use only one of the Catalyst 2950 LRE switches. The SFP modules support nominal wavelengths from the switch to connected devices are up to fiber-optic...copper 10/100/1000 port and a fiber-optic SFP module slot. Chapter 1 Overview Front-Panel Description SFP Module Slots On the Catalyst 2950 LRE switch, the SFP module slots support the SFP modules listed in default operation, the SFP module port has priority over the 10/100...
...ZX fiber-optic SFP module connections. You use Ethernet SFP modules to establish uplink connections to both, in the Catalyst 2950 LRE switch release notes. You use only one of the Catalyst 2950 LRE switches. The SFP modules support nominal wavelengths from the switch to connected devices are up to fiber-optic...copper 10/100/1000 port and a fiber-optic SFP module slot. Chapter 1 Overview Front-Panel Description SFP Module Slots On the Catalyst 2950 LRE switch, the SFP module slots support the SFP modules listed in default operation, the SFP module port has priority over the 10/100...
Hardware Installation Guide
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...office environment. Statement 122 Warning This equipment is to test for installation in the "Verifying Switch Operation" section on the panel board that services the DC circuit, switch the circuit breaker to an attached device cannot exceed 393,719 feet (120 kilometers). ... the switch, observe these guidelines. • Before installing the switch, first verify that no exposed portion of electricity. Statement 1017 Warning Ethernet cables must be shielded when used in the OFF position. For specific cable lengths, see the CWDM GBIC module documentation. Catalyst 2950 Switch Hardware...
...office environment. Statement 122 Warning This equipment is to test for installation in the "Verifying Switch Operation" section on the panel board that services the DC circuit, switch the circuit breaker to an attached device cannot exceed 393,719 feet (120 kilometers). ... the switch, observe these guidelines. • Before installing the switch, first verify that no exposed portion of electricity. Statement 1017 Warning Ethernet cables must be shielded when used in the OFF position. For specific cable lengths, see the CWDM GBIC module documentation. Catalyst 2950 Switch Hardware...
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... 3 feet (1 meter). • For Long-Reach Ethernet (LRE) ports, cable-length specifications vary. Rear-panel direct current (DC) power connector on switches other than normal room temperature. • Cabling is ...Cisco representative or reseller for unrestricted cabling. - Front-panel LEDs can be connected with the Catalyst 2950G-24-EI-DC switch or the Catalyst 2950ST-24 LRE 997 switch) • Console cable • Mounting kit containing these items: • Catalyst 2950 Switch Getting Started Guide • Regulatory Compliance and Safety Information for the Catalyst 2950 Switch...
... 3 feet (1 meter). • For Long-Reach Ethernet (LRE) ports, cable-length specifications vary. Rear-panel direct current (DC) power connector on switches other than normal room temperature. • Cabling is ...Cisco representative or reseller for unrestricted cabling. - Front-panel LEDs can be connected with the Catalyst 2950G-24-EI-DC switch or the Catalyst 2950ST-24 LRE 997 switch) • Console cable • Mounting kit containing these items: • Catalyst 2950 Switch Getting Started Guide • Regulatory Compliance and Safety Information for the Catalyst 2950 Switch...
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...A-5 list the technical specifications for the Cisco RPS 675 +12 V @4.5 A Power consumption 30 W (maximum) 102 Btus...switches other than the Catalyst 2950 Long-Reach Ethernet (LRE) switches. Table A-6 lists the technical specifications for the Catalyst 2950 LRE switches. Table A-8 and Table A-9 list the regulatory agency approvals for fiber-optic uplink ports. This switch meets ASTM D3332. 2. RPS = redundant power system Catalyst 2950 Switch Hardware Installation Guide A-1 Table A-1 Technical Specifications for Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 Switches...
...A-5 list the technical specifications for the Cisco RPS 675 +12 V @4.5 A Power consumption 30 W (maximum) 102 Btus...switches other than the Catalyst 2950 Long-Reach Ethernet (LRE) switches. Table A-6 lists the technical specifications for the Catalyst 2950 LRE switches. Table A-8 and Table A-9 list the regulatory agency approvals for fiber-optic uplink ports. This switch meets ASTM D3332. 2. RPS = redundant power system Catalyst 2950 Switch Hardware Installation Guide A-1 Table A-1 Technical Specifications for Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 Switches...
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..., straight-through cable schematics. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide B-1 Connector Specifications These sections describe the connectors used with the Catalyst 2950 switches and contains this information: • 10/100... Ports, page B-1 • 10/100/1000 Ports, page B-2 • 100BASE-FX and 1000BASE-SX Ports, page B-4 • LRE Port, page B-3 • GigaStack GBIC Module Ports, page B-4 • SFP Module Ports, page B-5 • Console Port, page B-5 10/100 Ports The 10/100 Ethernet...
..., straight-through cable schematics. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide B-1 Connector Specifications These sections describe the connectors used with the Catalyst 2950 switches and contains this information: • 10/100... Ports, page B-1 • 10/100/1000 Ports, page B-2 • 100BASE-FX and 1000BASE-SX Ports, page B-4 • LRE Port, page B-3 • GigaStack GBIC Module Ports, page B-4 • SFP Module Ports, page B-5 • Console Port, page B-5 10/100 Ports The 10/100 Ethernet...
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... to 10BASE-T devices. Note On the Catalyst 2950 LRE switches, the four input uplink ports are designated with an X. If the Catalyst 2950 LRE switch senses more information on Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2950 Long-Reach Ethernet (LRE) switches use a two or four twisted-pair,...for more than two connections for 10BASE-T and100BASE-TX. You must use a two or four twisted-pair, crossover cable. Catalyst 2950 Switch Hardware Installation Guide B-2 OL-6156-01 Figure B-10 shows the two twisted-pair, straight-through cable schematics. Figure B-11 ...
... to 10BASE-T devices. Note On the Catalyst 2950 LRE switches, the four input uplink ports are designated with an X. If the Catalyst 2950 LRE switch senses more information on Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2950 Long-Reach Ethernet (LRE) switches use a two or four twisted-pair,...for more than two connections for 10BASE-T and100BASE-TX. You must use a two or four twisted-pair, crossover cable. Catalyst 2950 Switch Hardware Installation Guide B-2 OL-6156-01 Figure B-10 shows the two twisted-pair, straight-through cable schematics. Figure B-11 ...
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..., page C-2 2. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide C-1 Do not open the chassis or attempt to remove or replace any components. Statement 1017 Warning Ethernet cables must comply with local and national electrical codes. C A P P E N D I X Connecting to DC Power To connect the Catalyst 2950G-24-EI-DC or Catalyst 2950ST-24 LRE 997 switch to remove or replace...
..., page C-2 2. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide C-1 Do not open the chassis or attempt to remove or replace any components. Statement 1017 Warning Ethernet cables must comply with local and national electrical codes. C A P P E N D I X Connecting to DC Power To connect the Catalyst 2950G-24-EI-DC or Catalyst 2950ST-24 LRE 997 switch to remove or replace...
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...-mounting your PC or workstation. If you can access the CLI on switches running releases earlier than Cisco IOS Release 12.1(14)EA1, go to determine the release. Note For switches running Cisco IOS Release 12.1(14)EA1 or later. Connecting to do a simple... CLI For an unconfigured switch, you are installing an unconfigured switch, see Chapter 1, "Overview." OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide D-1 Accessing the CLI, page D-1 2. Taking Out What You Need, page D-3 3. Before connecting the switch to the Ethernet port of the switch to the "Taking Out...
...-mounting your PC or workstation. If you can access the CLI on switches running releases earlier than Cisco IOS Release 12.1(14)EA1, go to determine the release. Note For switches running Cisco IOS Release 12.1(14)EA1 or later. Connecting to do a simple... CLI For an unconfigured switch, you are installing an unconfigured switch, see Chapter 1, "Overview." OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide D-1 Accessing the CLI, page D-1 2. Taking Out What You Need, page D-3 3. Before connecting the switch to the Ethernet port of the switch to the "Taking Out...
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...of the adapter cable to a PC serial port, or attach an appropriate adapter to other Ethernet devices. Attach the DB-9 female DTE of a switch, as shown in Figure D-1 from the shipping container: Figure D-1 Catalyst 2950 Switch, Adapter Cable, and AC Power Cord 1 SYST RPS STAT UTIL DUPLX SPEED MODE 1x...7x 8x 9x 10x 11x 10BASE-T / 100BASE-TX 12x 13x 14x 15x 16x 17x 18x 19x 20x 21x 22x 23x Catalyst 2950 SERIES 24x 100BASE-FX 25 26 2 89367 3 1 Catalyst 2950 switch 3 AC power cord 2 RJ-45-to-DB-9 adapter cable Note You need to provide the Category 5 straight-through...
...of the adapter cable to a PC serial port, or attach an appropriate adapter to other Ethernet devices. Attach the DB-9 female DTE of a switch, as shown in Figure D-1 from the shipping container: Figure D-1 Catalyst 2950 Switch, Adapter Cable, and AC Power Cord 1 SYST RPS STAT UTIL DUPLX SPEED MODE 1x...7x 8x 9x 10x 11x 10BASE-T / 100BASE-TX 12x 13x 14x 15x 16x 17x 18x 19x 20x 21x 22x 23x Catalyst 2950 SERIES 24x 100BASE-FX 25 26 2 89367 3 1 Catalyst 2950 switch 3 AC power cord 2 RJ-45-to-DB-9 adapter cable Note You need to provide the Category 5 straight-through...
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...Manager xvi description 2-24 to configure switch 3-40 viewing LEDs 2-13 dimensions A-1 to A-4 documentation ordering xvii related publications xv to xvi URLs, Cisco xvii document conventions...Ethernet cable warning C-1 examples, network configuration 2-1 exposed DC power wire warning C-6 Express Setup accessing CLI by using D-1 F fan problems, solving 4-3 features 2-1 to 2-3 feedback to Cisco Systems, web xviii fiber-optic port specifications A-5 front panel 10/100/1000 ports 2-8 10/100 ports 2-7 to 2-8 1000BASE-SX ports 2-9 100BASE-FX ports 2-9 clearance 3-5 described 2-3 Catalyst 2950 Switch...
...Manager xvi description 2-24 to configure switch 3-40 viewing LEDs 2-13 dimensions A-1 to A-4 documentation ordering xvii related publications xv to xvi URLs, Cisco xvii document conventions...Ethernet cable warning C-1 examples, network configuration 2-1 exposed DC power wire warning C-6 Express Setup accessing CLI by using D-1 F fan problems, solving 4-3 features 2-1 to 2-3 feedback to Cisco Systems, web xviii fiber-optic port specifications A-5 front panel 10/100/1000 ports 2-8 10/100 ports 2-7 to 2-8 1000BASE-SX ports 2-9 100BASE-FX ports 2-9 clearance 3-5 described 2-3 Catalyst 2950 Switch...
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... speed (SPEED) 2-17 to 2-19 status (STAT) 2-17, 2-18 system 2-16 utilization (UTIL) 2-17 Long-Reach Ethernet ports See LRE ports LRE ports and POTS splitters 3-31 cables, RJ-21 3-32 connecting to 3-30 to 3-34 connection guidelines...described 2-9 illustrated 2-5 LEDs 2-17, 2-18 problems, solving 4-4 See also RJ-21 connector LRE uplink ports 2-9 M management options 2-24 Mode button 2-16 mounting desk 3-17 rack 3-7 to 3-16 shelf 3-17 table 3-17 mounting brackets, attaching 3-8 to 3-15, ...25 terminal adapter B-11 RJ-45-to-DB-9 adapter cable B-10 Catalyst 2950 Switch Hardware Installation Guide IN-5
... speed (SPEED) 2-17 to 2-19 status (STAT) 2-17, 2-18 system 2-16 utilization (UTIL) 2-17 Long-Reach Ethernet ports See LRE ports LRE ports and POTS splitters 3-31 cables, RJ-21 3-32 connecting to 3-30 to 3-34 connection guidelines...described 2-9 illustrated 2-5 LEDs 2-17, 2-18 problems, solving 4-4 See also RJ-21 connector LRE uplink ports 2-9 M management options 2-24 Mode button 2-16 mounting desk 3-17 rack 3-7 to 3-16 shelf 3-17 table 3-17 mounting brackets, attaching 3-8 to 3-15, ...25 terminal adapter B-11 RJ-45-to-DB-9 adapter cable B-10 Catalyst 2950 Switch Hardware Installation Guide IN-5
Configuration Guide
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... concepts and terminology of Ethernet and local area networking. The enhanced software image provides a richer set of features, including access control lists (ACLs) and enhanced quality of the management interface options and the features supported by the switch software. Purpose This guide provides information about these switches: • Catalyst 2950-12 • Catalyst 2950-24 Use this guide...
... concepts and terminology of Ethernet and local area networking. The enhanced software image provides a richer set of features, including access control lists (ACLs) and enhanced quality of the management interface options and the features supported by the switch software. Purpose This guide provides information about these switches: • Catalyst 2950-12 • Catalyst 2950-24 Use this guide...
Configuration Guide
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...and BackboneFast for fast convergence after a spanning-tree topology change from becoming the STP root Note A Catalyst 2950 switch can support up to be used Catalyst 2950 Desktop Switch Software Configuration Guide 1-4 78-11380-03 and network security by establishing VLAN groups for high-security users... Protocol (STP) for network moves, adds, and changes; Note The Catalyst 2950-12 and Catalyst 2950-24 switches support only 64 port-based VLANs. • IEEE 802.1Q trunking protocol on all Ethernet ports for detecting and disabling unidirectional links on fiber-optic interfaces caused by...
...and BackboneFast for fast convergence after a spanning-tree topology change from becoming the STP root Note A Catalyst 2950 switch can support up to be used Catalyst 2950 Desktop Switch Software Configuration Guide 1-4 78-11380-03 and network security by establishing VLAN groups for high-security users... Protocol (STP) for network moves, adds, and changes; Note The Catalyst 2950-12 and Catalyst 2950-24 switches support only 64 port-based VLANs. • IEEE 802.1Q trunking protocol on all Ethernet ports for detecting and disabling unidirectional links on fiber-optic interfaces caused by...
Configuration Guide
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... with a lower relative port cost is not the only consideration when designing your network users compete for Using the Switch As your network. Catalyst 2950 Desktop Switch Software Configuration Guide 1-8 78-11380-03 Table 1-2 Increasing Network Performance Network Demands Suggested Design Methods Too many users on...8226; Connect global resources-such as servers and routers to which network users require equal access-directly to the Fast Ethernet or Gigabit Ethernet switch ports so that they use VLANs and IP subnets to place the network resources in the same logical network as the...
... with a lower relative port cost is not the only consideration when designing your network users compete for Using the Switch As your network. Catalyst 2950 Desktop Switch Software Configuration Guide 1-8 78-11380-03 Table 1-2 Increasing Network Performance Network Demands Suggested Design Methods Too many users on...8226; Connect global resources-such as servers and routers to which network users require equal access-directly to the Fast Ethernet or Gigabit Ethernet switch ports so that they use VLANs and IP subnets to place the network resources in the same logical network as the...
Configuration Guide
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... 802.1P/Q. Figure 1-1 shows configuration examples of the switches, you can create backup paths between the switches and network resources. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 1-9 Using Gigabit modules on two of using Fast Ethernet, Gigabit, or Fast EtherChannel, or Gigabit EtherChannel links. Each switch in the backbone. To enhance network reliability and...
... 802.1P/Q. Figure 1-1 shows configuration examples of the switches, you can create backup paths between the switches and network resources. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 1-9 Using Gigabit modules on two of using Fast Ethernet, Gigabit, or Fast EtherChannel, or Gigabit EtherChannel links. Each switch in the backbone. To enhance network reliability and...