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... Additional Publications and Information xix Overview 1-1 Setting up the Switch 1-1 Features 1-1 Front-Panel Description 1-3 10/100 Ports 1-7 10/100/1000 Ports 1-8 100BASE-FX and 1000BASE-SX Ports 1-9 LRE Port 1-9 GBIC Module Ports 1-10 SFP Module Slots 1-11 SFP Modules 1-11 LEDs 1-13 System LED 1-16 RPS LED 1-16 Port Mode and Port Status LEDs 1-16 CONTENTS OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide iii
... Additional Publications and Information xix Overview 1-1 Setting up the Switch 1-1 Features 1-1 Front-Panel Description 1-3 10/100 Ports 1-7 10/100/1000 Ports 1-8 100BASE-FX and 1000BASE-SX Ports 1-9 LRE Port 1-9 GBIC Module Ports 1-10 SFP Module Slots 1-11 SFP Modules 1-11 LEDs 1-13 System LED 1-16 RPS LED 1-16 Port Mode and Port Status LEDs 1-16 CONTENTS OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide iii
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... SFP Module Slots 2-25 Connecting to 10/100 and 10/100/1000 Ports 2-27 Connecting to 100BASE-FX and 1000BASE-SX Ports 2-29 Connecting to an LRE Port 2-30 Connection Guidelines 2-30 Limitations and Restrictions with POTS Splitters 2-31 Required Cables 2-32 Connecting to a Patch Panel or POTS Splitter 2-32 Catalyst 2950 Switch Hardware Installation Guide iv OL-6156-01
... SFP Module Slots 2-25 Connecting to 10/100 and 10/100/1000 Ports 2-27 Connecting to 100BASE-FX and 1000BASE-SX Ports 2-29 Connecting to an LRE Port 2-30 Connection Guidelines 2-30 Limitations and Restrictions with POTS Splitters 2-31 Required Cables 2-32 Connecting to a Patch Panel or POTS Splitter 2-32 Catalyst 2950 Switch Hardware Installation Guide iv OL-6156-01
Hardware Installation Guide
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... 1000BASE-SX Ports B-4 1000BASE-X GBIC Module Ports B-4 1000BASE-T GBIC Module Ports B-4 GigaStack GBIC Module Ports B-4 SFP Module Ports B-5 Console Port B-5 Identifying a Crossover Cable B-5 Cable and Adapter Specifications B-6 Two Twisted-Pair Cable Pinouts B-6 Four Twisted-Pair Cable Pinouts for 10/100 Ports B-7 Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports B-8 RJ-21 Cable Pinouts B-8 Adapter Pinouts B-10 Contents OL-6156-01 Catalyst 2950 Switch Hardware...
... 1000BASE-SX Ports B-4 1000BASE-X GBIC Module Ports B-4 1000BASE-T GBIC Module Ports B-4 GigaStack GBIC Module Ports B-4 SFP Module Ports B-5 Console Port B-5 Identifying a Crossover Cable B-5 Cable and Adapter Specifications B-6 Two Twisted-Pair Cable Pinouts B-6 Four Twisted-Pair Cable Pinouts for 10/100 Ports B-7 Four Twisted-Pair Cable Pinouts for 1000BASE-T Ports B-8 RJ-21 Cable Pinouts B-8 Adapter Pinouts B-10 Contents OL-6156-01 Catalyst 2950 Switch Hardware...
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... connections, power connection procedures for examples that show the Catalyst 2950 switches. Catalyst 2950-24 switch-24 10/100 Ethernet ports - For instructions on initially configuring your Catalyst switch by using Gigastack GBICs. Figure 1-1 through Figure 1-12 show how you can use switches with the CLI-Based Setup Program." Features The Catalyst 2950 switches are a family of the switch are cluster-capable, but only some models are the...
... connections, power connection procedures for examples that show the Catalyst 2950 switches. Catalyst 2950-24 switch-24 10/100 Ethernet ports - For instructions on initially configuring your Catalyst switch by using Gigastack GBICs. Figure 1-1 through Figure 1-12 show how you can use switches with the CLI-Based Setup Program." Features The Catalyst 2950 switches are a family of the switch are cluster-capable, but only some models are the...
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... Catalyst 2950 LRE switches. - For 10/100/1000 ports on the Catalyst 2950T-48-SI and 2950 LRE switches, autonegotiates the speed and duplex setting when operating at one time.) - Catalyst 2950ST-24 LRE switch-24 LRE ports, 2 10/100/1000 Ethernet ports, and 2 SFP module slots. (Two of supported SFP modules for a list of the four uplink ports are active at 10 or 100 Mbps. Catalyst 2950T-48-SI switch-48 10/100...
... Catalyst 2950 LRE switches. - For 10/100/1000 ports on the Catalyst 2950T-48-SI and 2950 LRE switches, autonegotiates the speed and duplex setting when operating at one time.) - Catalyst 2950ST-24 LRE switch-24 LRE ports, 2 10/100/1000 Ethernet ports, and 2 SFP module slots. (Two of supported SFP modules for a list of the four uplink ports are active at 10 or 100 Mbps. Catalyst 2950T-48-SI switch-48 10/100...
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... 10Base-T / 100Base-TX 12x 10/100 ports Catalyst 2950 SERIES OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-3 In Table 1-1, Yes means that the CPE is supported by the switch. On the Catalyst 2950ST-24 LRE 997 switch, the front panel contains a DC power connector (also referred to Figure 1-12 show the switches. Connection for an optional Cisco RPS 675 that uses AC...
... 10Base-T / 100Base-TX 12x 10/100 ports Catalyst 2950 SERIES OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-3 In Table 1-1, Yes means that the CPE is supported by the switch. On the Catalyst 2950ST-24 LRE 997 switch, the front panel contains a DC power connector (also referred to Figure 1-12 show the switches. Connection for an optional Cisco RPS 675 that uses AC...
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... 16x 17x 18x 19x 20x 21x 22x 23x Catalyst 2950 SERIES 24x 100BASE-FX 25 26 10/100 ports 100BASE-FX ports Figure 1-4 Catalyst 2950G-12-EI Switch SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X 10/100 ports 1 Catalyst 2950 SERIES 2 GBIC module slots Figure 1-5 Catalyst 2950G-24-EI Switch SYST RPS STAT UTIL DUPLX SPEED MODE...
... 16x 17x 18x 19x 20x 21x 22x 23x Catalyst 2950 SERIES 24x 100BASE-FX 25 26 10/100 ports 100BASE-FX ports Figure 1-4 Catalyst 2950G-12-EI Switch SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X 10/100 ports 1 Catalyst 2950 SERIES 2 GBIC module slots Figure 1-5 Catalyst 2950G-24-EI Switch SYST RPS STAT UTIL DUPLX SPEED MODE...
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... RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X 13X 13 14 15 16 17 18 19 20 21 22 23 24 23X 14X 24X 10/100 ports 1 Catalyst 2950 SERIES 2 GBIC module slots Figure 1-7 Catalyst 2950G-48-EI Switch SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 2X 23 45 67... 8 9 10 11 12 13 14 15 16 17 15X 17X 18 19 20 21...
... RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X 13X 13 14 15 16 17 18 19 20 21 22 23 24 23X 14X 24X 10/100 ports 1 Catalyst 2950 SERIES 2 GBIC module slots Figure 1-7 Catalyst 2950G-48-EI Switch SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 2X 23 45 67... 8 9 10 11 12 13 14 15 16 17 15X 17X 18 19 20 21...
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... Front-Panel Description Figure 1-9 Catalyst 2950ST-24 LRE Switch Power LRE connector port SFP ports 110.00A-1/02R.75A/TA2I0N500G--26400HVZ~ MODE SYST RPS STAT SPEED CONSOLE 1 2 3 4 5 6 7 8 9 10 11 12 Console port 13 14 15 16 17 18 19 20 21 22 23 24 Catalyst 2950 SERIES LRE 1 2 1 2 10/100/1000 ports Figure 1-10 Catalyst 2950ST-24 LRE 997 Switch Power connector LRE port SFP ports - ++ A INPCUUTR:RE3N6T- B 72...
... Front-Panel Description Figure 1-9 Catalyst 2950ST-24 LRE Switch Power LRE connector port SFP ports 110.00A-1/02R.75A/TA2I0N500G--26400HVZ~ MODE SYST RPS STAT SPEED CONSOLE 1 2 3 4 5 6 7 8 9 10 11 12 Console port 13 14 15 16 17 18 19 20 21 22 23 24 Catalyst 2950 SERIES LRE 1 2 1 2 10/100/1000 ports Figure 1-10 Catalyst 2950ST-24 LRE 997 Switch Power connector LRE port SFP ports - ++ A INPCUUTR:RE3N6T- B 72...
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...Catalyst 2950T-24 Switch Front-Panel Description 47337 SYST RPS STAT UTIL DUPLX SPEED MODE 1x 2x 3x 4x 5x 6x 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 10/100/100Base-T 1 2 10/100 ports 10/100/1000 ports Figure 1-13 Catalyst 2950SX-48-SI Switch ... 21 22 23 24 25 26 27 28 29 30 31 32 16X 18X 33 31X 33X 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 47X 32X 34X 48X 10/100 ports Catalyst 2950 SERIES 1 2 1000BASE-SX ports Figure 1-14 Catalyst 2950T-48-SI Switch 97626 SYST RPS...
...Catalyst 2950T-24 Switch Front-Panel Description 47337 SYST RPS STAT UTIL DUPLX SPEED MODE 1x 2x 3x 4x 5x 6x 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 10/100/100Base-T 1 2 10/100 ports 10/100/1000 ports Figure 1-13 Catalyst 2950SX-48-SI Switch ... 21 22 23 24 25 26 27 28 29 30 31 32 16X 18X 33 31X 33X 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 47X 32X 34X 48X 10/100 ports Catalyst 2950 SERIES 1 2 1000BASE-SX ports Figure 1-14 Catalyst 2950T-48-SI Switch 97626 SYST RPS...
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...-duplex transmission, if the attached device supports it) and configures itself accordingly. 10/100/1000 Ports The 10/100/1000 ports on Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2950 LRE switches use RJ-45 connectors and twisted-pair cabling. In all cases, the cable length from a switch to hubs or other switches, use a twisted-pair straight-through cable. When connecting the...
...-duplex transmission, if the attached device supports it) and configures itself accordingly. 10/100/1000 Ports The 10/100/1000 ports on Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2950 LRE switches use RJ-45 connectors and twisted-pair cabling. In all cases, the cable length from a switch to hubs or other switches, use a twisted-pair straight-through cable. When connecting the...
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... as existing telephone lines. If the other switch ports. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-9 The 100BASE-FX ports operate only at 100 Mbps in full-duplex mode, and the 1000BASE-SX ports operate only at one of a copper 10/100/1000 port and a fiber-optic SFP module slot, respectively...exceed 6562 feet (2 kilometers). Table 1-1 on a Catalyst 2950ST-24 LRE 997 switch. You can connect the Cisco 575 LRE CPE and Cisco 585 LRE CPE devices to an SC or ST port on the same Catalyst 2950ST-8 LRE or 2950ST-24 LRE switch. If telephone services, such as voice or an...
... as existing telephone lines. If the other switch ports. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-9 The 100BASE-FX ports operate only at 100 Mbps in full-duplex mode, and the 1000BASE-SX ports operate only at one of a copper 10/100/1000 port and a fiber-optic SFP module slot, respectively...exceed 6562 feet (2 kilometers). Table 1-1 on a Catalyst 2950ST-24 LRE 997 switch. You can connect the Cisco 575 LRE CPE and Cisco 585 LRE CPE devices to an SC or ST port on the same Catalyst 2950ST-8 LRE or 2950ST-24 LRE switch. If telephone services, such as voice or an...
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... connectors to connect to either the SFP module port or the 10/100/1000 port. The SFP modules are labeled Uplink Port 1 and Uplink Port 2. For example, you connect to 1000BASE-T SFP modules. In that the SFP module port does not take precedence over the 10/100/1000 port. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-11 You use Ethernet SFP...
... connectors to connect to either the SFP module port or the 10/100/1000 port. The SFP modules are labeled Uplink Port 1 and Uplink Port 2. For example, you connect to 1000BASE-T SFP modules. In that the SFP module port does not take precedence over the 10/100/1000 port. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-11 You use Ethernet SFP...
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... maximum utilization is operating in half duplex. (half or full duplex) Green Port is automatically updated. DUPLX Off Port is operating in full duplex. Port is not forwarding. SPEED Port speed The port operating speed: 10 or 100 Mbps for 10/100 ports and 10, 100, or 1000 Mbps for possible loops. A Catalyst 2950 LRE switch does not have a UTIL or a DUPLX LED. Solid amber...
... maximum utilization is operating in half duplex. (half or full duplex) Green Port is automatically updated. DUPLX Off Port is operating in full duplex. Port is not forwarding. SPEED Port speed The port operating speed: 10 or 100 Mbps for 10/100 ports and 10, 100, or 1000 Mbps for possible loops. A Catalyst 2950 LRE switch does not have a UTIL or a DUPLX LED. Solid amber...
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... fault. If a port is sending or receiving data. Green Port is operating at 10 Mbps. Flashing green Port is operating at 1000 Mbps. 1000BASE-X GBIC module ports Off Port is operating at 100 Mbps. 10/100/1000 ports Off Port is not operating. Error...Catalyst 2950 Switch Hardware Installation Guide OL-6156-01 DUPLX Off Port is operating in half duplex. (half or full duplex) Green Port is operating at 10 Mbps. Front-Panel Description Chapter 1 Overview Table 1-6 Meaning of Port LED Colors in Different Modes for the LRE Switches Port Mode Color Meaning STAT (port...
... fault. If a port is sending or receiving data. Green Port is operating at 10 Mbps. Flashing green Port is operating at 1000 Mbps. 1000BASE-X GBIC module ports Off Port is operating at 100 Mbps. 10/100/1000 ports Off Port is not operating. Error...Catalyst 2950 Switch Hardware Installation Guide OL-6156-01 DUPLX Off Port is operating in half duplex. (half or full duplex) Green Port is operating at 10 Mbps. Front-Panel Description Chapter 1 Overview Table 1-6 Meaning of Port LED Colors in Different Modes for the LRE Switches Port Mode Color Meaning STAT (port...
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... 1. Note The Catalyst 2950 LRE switch LEDs do not give utilization status. Figure 1-20 to both ports, by the right-most LEDs. On an LRE switch, the LEDs for the LRE Switches (continued) Port Mode SPEED Color Meaning 10/100/1000 ports1 2 Off Port is operating at 1000 Mbps. If all LEDs on a Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, or 2950T-24 switch are green...
... 1. Note The Catalyst 2950 LRE switch LEDs do not give utilization status. Figure 1-20 to both ports, by the right-most LEDs. On an LRE switch, the LEDs for the LRE Switches (continued) Port Mode SPEED Color Meaning 10/100/1000 ports1 2 Off Port is operating at 1000 Mbps. If all LEDs on a Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, or 2950T-24 switch are green...
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... for Installation, page 2-1 • Verifying Switch Operation, page 2-6 • Installing the Switch, page 2-7 • Installing the GBIC Modules, page 2-22 • Installing and Removing SFP Modules, page 2-23 • Connecting to 10/100 and 10/100/1000 Ports, page 2-27 • Connecting to 100BASE...LRE Port, page 2-30 • Connecting to GBIC Module Ports, page 2-35 • Connecting to SFP Modules, page 2-38 • Where to other devices. Read these topics, and perform the procedures in this order: • Preparing for the Catalyst 2950 Switch. Warning Attach only the Cisco ...
... for Installation, page 2-1 • Verifying Switch Operation, page 2-6 • Installing the Switch, page 2-7 • Installing the GBIC Modules, page 2-22 • Installing and Removing SFP Modules, page 2-23 • Connecting to 10/100 and 10/100/1000 Ports, page 2-27 • Connecting to 100BASE...LRE Port, page 2-30 • Connecting to GBIC Module Ports, page 2-35 • Connecting to SFP Modules, page 2-38 • Where to other devices. Read these topics, and perform the procedures in this order: • Preparing for the Catalyst 2950 Switch. Warning Attach only the Cisco ...
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...Catalyst 2950 Switch Hardware Installation Guide 2-4 OL-6156-01 Use a voltmeter to test for installation in the OFF position. Statement 88 Installation Guidelines When determining where to place the switch, observe these guidelines. • Before installing the switch, first verify that the switch... the power terminals on page 2-6. • For 10/100 ports and 10/100/1000 ports, the cable length from a switch to an attached device cannot exceed 328 feet (100 meters). • For 100BASE-FX ports, the cable length from a switch to an attached device cannot exceed 6562 feet (2 ...
...Catalyst 2950 Switch Hardware Installation Guide 2-4 OL-6156-01 Use a voltmeter to test for installation in the OFF position. Statement 88 Installation Guidelines When determining where to place the switch, observe these guidelines. • Before installing the switch, first verify that the switch... the power terminals on page 2-6. • For 10/100 ports and 10/100/1000 ports, the cable length from a switch to an attached device cannot exceed 328 feet (100 meters). • For 100BASE-FX ports, the cable length from a switch to an attached device cannot exceed 6562 feet (2 ...
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...Cisco representative or reseller for mounting the switch on page 1-9. • Operating environment is away from a switch to an attached device cannot exceed 3 feet (1 meter). • For Long-Reach Ethernet (LRE) ports, cable-length specifications vary. Return all 10/100 and 10/100/1000 ports must be easily read. - Rear-panel direct current (DC) power connector on the Catalyst 2950ST-24... Catalyst 2950 Switch Getting Started Guide • Regulatory Compliance and Safety Information for damage. Note If the switch is sufficient for Installation • For GigaStack GBIC module ports,...
...Cisco representative or reseller for mounting the switch on page 1-9. • Operating environment is away from a switch to an attached device cannot exceed 3 feet (1 meter). • For Long-Reach Ethernet (LRE) ports, cable-length specifications vary. Return all 10/100 and 10/100/1000 ports must be easily read. - Rear-panel direct current (DC) power connector on the Catalyst 2950ST-24... Catalyst 2950 Switch Getting Started Guide • Regulatory Compliance and Safety Information for damage. Note If the switch is sufficient for Installation • For GigaStack GBIC module ports,...
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...10 straight-through cables four twisted-pair, 10/100 ports B-7 four twisted-pair, 1000BASE-T ports B-8 two twisted-pair B-6 port LEDs 2-13 to 2-15, 2-16 mode LEDs 2-13 to 2-15, 2-16 to 2-18 selecting 2-16 ports See 10/100 ports, 10/100/1000 ports, 100BASE-FX ports, 1000BASE-SX, GBIC module ports, LRE, and console ports... 3-40 publications, related xv to xvi IN-6 Catalyst 2950 Switch Hardware Installation Guide R rack-mounting bracket mounting points 3-8 to 3-15 procedures 3-7 to 3-16 warning 3-7 rear panel clearance 3-5 console port connector 2-24 described 2-21 to 2-22 illustrated 2-21 to ...
...10 straight-through cables four twisted-pair, 10/100 ports B-7 four twisted-pair, 1000BASE-T ports B-8 two twisted-pair B-6 port LEDs 2-13 to 2-15, 2-16 mode LEDs 2-13 to 2-15, 2-16 to 2-18 selecting 2-16 ports See 10/100 ports, 10/100/1000 ports, 100BASE-FX ports, 1000BASE-SX, GBIC module ports, LRE, and console ports... 3-40 publications, related xv to xvi IN-6 Catalyst 2950 Switch Hardware Installation Guide R rack-mounting bracket mounting points 3-8 to 3-15 procedures 3-7 to 3-16 warning 3-7 rear panel clearance 3-5 console port connector 2-24 described 2-21 to 2-22 illustrated 2-21 to ...