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... ix Audience ix Purpose ix Conventions ix Related Publications xv Obtaining Documentation xvii Cisco.com xvii Documentation CD-ROM xvii Ordering Documentation xvii Documentation Feedback xviii Obtaining Technical Assistance xviii Cisco TAC Website xviii Opening a TAC Case xviii TAC Case Priority Definitions xix .../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
... ix Audience ix Purpose ix Conventions ix Related Publications xv Obtaining Documentation xvii Cisco.com xvii Documentation CD-ROM xvii Ordering Documentation xvii Documentation Feedback xviii Obtaining Technical Assistance xviii Cisco TAC Website xviii Opening a TAC Case xviii TAC Case Priority Definitions xix .../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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... 1-23 Cisco RPS Connector 1-23 Console Port 1-24 Management Options 1-24 Installation 2-1 Preparing for Installation 2-1 Warnings 2-1 Installation Guidelines 2-4 Verifying Package Contents 2-5 Verifying Switch Operation 2-6 Installing the Switch 2-7 Installing the Switch in a Rack 2-7 Attaching the Brackets to the Switch 2-8 Mounting the Switch in ...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...
... 1-23 Cisco RPS Connector 1-23 Console Port 1-24 Management Options 1-24 Installation 2-1 Preparing for Installation 2-1 Warnings 2-1 Installation Guidelines 2-4 Verifying Package Contents 2-5 Verifying Switch Operation 2-6 Installing the Switch 2-7 Installing the Switch in a Rack 2-7 Attaching the Brackets to the Switch 2-8 Mounting the Switch in ...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...
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...Technical Specifications A-1 Connectors and Cables B-1 Connector Specifications B-1 10/100 Ports B-1 10/100/1000 Ports B-2 Connecting to 10BASE-T and 100BASE-TX Devices B-2 Connecting to 1000BASE-T Devices B-3 LRE Port B-3 100BASE-FX and 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 ...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 Installation Guide v
...Technical Specifications A-1 Connectors and Cables B-1 Connector Specifications B-1 10/100 Ports B-1 10/100/1000 Ports B-2 Connecting to 10BASE-T and 100BASE-TX Devices B-2 Connecting to 1000BASE-T Devices B-3 LRE Port B-3 100BASE-FX and 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 ...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 Installation Guide v
Hardware Installation Guide
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...; Release Notes for the Catalyst 2950 and Catalyst 2955 Switches (not orderable but available on Cisco.com) • Release Notes for the Catalyst 2950 LRE Switches (not orderable but available on Cisco.com) • Catalyst 2950 Switch Getting Started Guide (order number DOC-7816521=) • Regulatory Compliance and Safety Information for the Catalyst 2950 Switch (order number DOC-786625= OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide xv...
...; Release Notes for the Catalyst 2950 and Catalyst 2955 Switches (not orderable but available on Cisco.com) • Release Notes for the Catalyst 2950 LRE Switches (not orderable but available on Cisco.com) • Catalyst 2950 Switch Getting Started Guide (order number DOC-7816521=) • Regulatory Compliance and Safety Information for the Catalyst 2950 Switch (order number DOC-786625= OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide xv...
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... DOC-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...
... DOC-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...
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... workstations and other network devices, such as backbone switches, aggregating 10BASE-T, 100BASE-TX, Gigabit Ethernet, and Long-Reach Ethernet (LRE) traffic from other switches. You can use switches with the CLI-Based Setup Program." 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 Overview CH A P T E R 1 This chapter provides...
... workstations and other network devices, such as backbone switches, aggregating 10BASE-T, 100BASE-TX, Gigabit Ethernet, and Long-Reach Ethernet (LRE) traffic from other switches. You can use switches with the CLI-Based Setup Program." 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 Overview CH A P T E R 1 This chapter provides...
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... memory, and then forwards the packet to the destination port Catalyst 2950 Switch Hardware Installation Guide 1-2 OL-6156-01 Catalyst 2950SX-24 switch-24 10/100 Ethernet ports and 2 1000BASE-SX ports - For 10/100 ports, autonegotiates the speed and duplex settings - Supports 8192 MAC addresses - Catalyst 2950ST-24 LRE 997 switch-24 LRE ports, 2 10/100/1000 Ethernet ports, and 2 SFP module...
... memory, and then forwards the packet to the destination port Catalyst 2950 Switch Hardware Installation Guide 1-2 OL-6156-01 Catalyst 2950SX-24 switch-24 10/100 Ethernet ports and 2 1000BASE-SX ports - For 10/100 ports, autonegotiates the speed and duplex settings - Supports 8192 MAC addresses - Catalyst 2950ST-24 LRE 997 switch-24 LRE ports, 2 10/100/1000 Ethernet ports, and 2 SFP module...
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...) that uses AC input and supplies DC output to the switch - In Table 1-1, Yes means that the CPE is supported by certain Catalyst 2950 LRE switches. Table 1-1 LRE Switch and CPE Compatibility Matrix LRE Devices Catalyst 2950ST-8 LRE Cisco 575 LRE Yes CPE Cisco 576 LRE 997 No CPE Cisco 585 LRE Yes CPE Catalyst 2950ST-24 LRE Catalyst 2950ST-24 LRE 997 Yes No No Yes Yes No Front-Panel Description...
...) that uses AC input and supplies DC output to the switch - In Table 1-1, Yes means that the CPE is supported by certain Catalyst 2950 LRE switches. Table 1-1 LRE Switch and CPE Compatibility Matrix LRE Devices Catalyst 2950ST-8 LRE Cisco 575 LRE Yes CPE Cisco 576 LRE 997 No CPE Cisco 585 LRE Yes CPE Catalyst 2950ST-24 LRE Catalyst 2950ST-24 LRE 997 Yes No No Yes Yes No Front-Panel Description...
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...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 GBIC module slots Figure 1-8 Catalyst 2950ST-8 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 Console port Catalyst 2950 LRE SERIES 1 2 1 2 10/100/1000 ports 60977 Front...
...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 GBIC module slots Figure 1-8 Catalyst 2950ST-8 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 Console port Catalyst 2950 LRE SERIES 1 2 1 2 10/100/1000 ports 60977 Front...
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... 1 2 3 4 5 6 7 8 9 10 11 12 Console port DC ground lug 13 14 15 16 17 18 19 20 21 22 23 24 Catalyst 2950 SERIES LRE 997 1 2 1 2 DC ground lug 10/100/1000 ports Figure 1-11 Catalyst 2950SX-24 Switch SYST RPS STAT UTIL DUPLX SPEED MODE 1x 2x 3x 4x 5x 6x 7x 8x 9x 10x 11x 10BASE...
... 1 2 3 4 5 6 7 8 9 10 11 12 Console port DC ground lug 13 14 15 16 17 18 19 20 21 22 23 24 Catalyst 2950 SERIES LRE 997 1 2 1 2 DC ground lug 10/100/1000 ports Figure 1-11 Catalyst 2950SX-24 Switch SYST RPS STAT UTIL DUPLX SPEED MODE 1x 2x 3x 4x 5x 6x 7x 8x 9x 10x 11x 10BASE...
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... workstations, servers, and routers, be sure to use a twisted-pair straight-through cable. The 10/100/1000 ports on the Catalyst 2950T-48-SI and Catalyst 2950 LRE switches can be set to operate at 10, 100, or 1000 Mbps, but only in Appendix B, "Connectors and Cables." For information...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 a four twisted-pair, Category 5 cable. In all cases, the cable length from a switch to operate at 10 or 100 Mbps in any combination of the attached ...
... workstations, servers, and routers, be sure to use a twisted-pair straight-through cable. The 10/100/1000 ports on the Catalyst 2950T-48-SI and Catalyst 2950 LRE switches can be set to operate at 10, 100, or 1000 Mbps, but only in Appendix B, "Connectors and Cables." For information...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 a four twisted-pair, Category 5 cable. In all cases, the cable length from a switch to operate at 10 or 100 Mbps in any combination of the attached ...
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... (high-frequency) and voice (low-frequency) traffic from a 1000BASE-SX port on the same Catalyst 2950ST-8 LRE or 2950ST-24 LRE switch. For more information on a Catalyst 2950ST-24 LRE 997 switch. Certain Catalyst 2950 LRE switches support certain Cisco LRE CPE devices. You can use 50/125- The PBX routes voice traffic to order the patch cables that you can hot swap the CPE...
... (high-frequency) and voice (low-frequency) traffic from a 1000BASE-SX port on the same Catalyst 2950ST-8 LRE or 2950ST-24 LRE switch. For more information on a Catalyst 2950ST-24 LRE 997 switch. Certain Catalyst 2950 LRE switches support certain Cisco LRE CPE devices. You can use 50/125- The PBX routes voice traffic to order the patch cables that you can hot swap the CPE...
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... GBIC modules have a PBX, a certified, homologated POTS splitter is not needed, and the switch can connect directly to nine supported switches. For more information about the Cisco LRE CPE devices, see the "Limitations and Restrictions with the Catalyst 2950 LRE switches and Cisco LRE CPE, see the Cisco LRE CPE Hardware Installation Guide. The GigaStack GBIC supports one full-duplex link (in...
... GBIC modules have a PBX, a certified, homologated POTS splitter is not needed, and the switch can connect directly to nine supported switches. For more information about the Cisco LRE CPE devices, see the "Limitations and Restrictions with the Catalyst 2950 LRE switches and Cisco LRE CPE, see the Cisco LRE CPE Hardware Installation Guide. The GigaStack GBIC supports one full-duplex link (in...
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...For more information about the media-type {sfp | rj45 | auto-select} command, see the switch command reference. If you can configure the Catalyst 2950 LRE switch so that are up to both, in the Catalyst 2950 LRE switch release notes. These transceiver modules are labeled Uplink Port 1 and Uplink Port 2. When determining ...end of the two physical ports, either the SFP module port or the 10/100/1000 port on Uplink Port 2. The Catalyst 2950 LRE switch has four physical input ports that the SFP module port does not take precedence over the other devices. You use Ethernet ...
...For more information about the media-type {sfp | rj45 | auto-select} command, see the switch command reference. If you can configure the Catalyst 2950 LRE switch so that are up to both, in the Catalyst 2950 LRE switch release notes. These transceiver modules are labeled Uplink Port 1 and Uplink Port 2. When determining ...end of the two physical ports, either the SFP module port or the 10/100/1000 port on Uplink Port 2. The Catalyst 2950 LRE switch has four physical input ports that the SFP module port does not take precedence over the other devices. You use Ethernet ...
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... the switch, and replace it with a Cisco-approved module. When an SFP module is invalid, the switch places the interface in an elevated bit error rate (BER). For more information about these SFP modules, see your SFP module documentation. 1-12 Catalyst 2950 Switch Hardware ...Installation Guide OL-6156-01 When the fiber-optic cable span is required. the distance depends on the Catalyst 2950 LRE switch...
... the switch, and replace it with a Cisco-approved module. When an SFP module is invalid, the switch places the interface in an elevated bit error rate (BER). For more information about these SFP modules, see your SFP module documentation. 1-12 Catalyst 2950 Switch Hardware ...Installation Guide OL-6156-01 When the fiber-optic cable span is required. the distance depends on the Catalyst 2950 LRE switch...
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...Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 switches • Figure 1-16 for the Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-24-EI-DC switches • Figure 1-17 for the Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI switches • Figure 1-18 for the Catalyst 2950ST-8 LRE and 2950ST-24 LRE switches • Figure 1-19 for the Catalyst 2950ST-24 LRE 997 switches.... The location of the LEDs vary among switch models. Figure 1-15 LEDs on Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 Switches RPS LED Port status LEDs System LED Port...
...Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 switches • Figure 1-16 for the Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-24-EI-DC switches • Figure 1-17 for the Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI switches • Figure 1-18 for the Catalyst 2950ST-8 LRE and 2950ST-24 LRE switches • Figure 1-19 for the Catalyst 2950ST-24 LRE 997 switches.... The location of the LEDs vary among switch models. Figure 1-15 LEDs on Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 Switches RPS LED Port status LEDs System LED Port...
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... STAT SPEED MODE CONSOLE STAT LED Speed Mode LED button 1 2 3 4 5 6 7 8 9 10 11 12 89364 OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-15 Chapter 1 Overview Front-Panel Description Figure 1-18 LEDs on Catalyst 2950ST-8 LRE and 2950ST-24 LRE Switches System LED Redundant power system LED Port status LEDs 81187 110.00A-1/02R.75A/TA2I0N500G--26400HVZ~ MODE...
... STAT SPEED MODE CONSOLE STAT LED Speed Mode LED button 1 2 3 4 5 6 7 8 9 10 11 12 89364 OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-15 Chapter 1 Overview Front-Panel Description Figure 1-18 LEDs on Catalyst 2950ST-8 LRE and 2950ST-24 LRE Switches System LED Redundant power system LED Port status LEDs 81187 110.00A-1/02R.75A/TA2I0N500G--26400HVZ~ MODE...
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... non-LRE switches. Solid green Link present. Port is the default mode. Flashing green Activity. Error frames can remain amber for up to interpret the colors for possible loops. UTIL (utilization) Green The current backplane utilization that is set to Figure 1-24 for ... maximum utilization is not forwarding. Table 1-7 explains how to 30 seconds while STP checks the switch for the LRE switches. Alternating green-amber Link fault. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-17 When you change the port mode, the meanings of Port LED Colors...
... non-LRE switches. Solid green Link present. Port is the default mode. Flashing green Activity. Error frames can remain amber for up to interpret the colors for possible loops. UTIL (utilization) Green The current backplane utilization that is set to Figure 1-24 for ... maximum utilization is not forwarding. Table 1-7 explains how to 30 seconds while STP checks the switch for the LRE switches. Alternating green-amber Link fault. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-17 When you change the port mode, the meanings of Port LED Colors...
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... is sending or receiving data. Table 1-7 Meaning of Port LED Colors in full duplex. 1-18 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01 Solid amber A link is established on a nonassigned LRE profile, or a port is reconfigured, the port LED can affect connectivity, and errors such as ...excessive collisions, CRC errors, and alignment and jabber errors are monitored for Non-LRE Switches (continued) Port Mode SPEED Color Meaning 10/100 ports Off Port is operating at 1000 Mbps. Solid green Link present. Note ...
... is sending or receiving data. Table 1-7 Meaning of Port LED Colors in full duplex. 1-18 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01 Solid amber A link is established on a nonassigned LRE profile, or a port is reconfigured, the port LED can affect connectivity, and errors such as ...excessive collisions, CRC errors, and alignment and jabber errors are monitored for Non-LRE Switches (continued) Port Mode SPEED Color Meaning 10/100 ports Off Port is operating at 1000 Mbps. Solid green Link present. Note ...
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... total bandwidth, and so on. If all LEDs on a Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, or 2950T-24 switch are green (no amber showing), the switch is operating at 100 Mbps. If an LRE switch senses connections to Figure 1-24 show the bandwidth utilization percentages displayed by default, the switch chooses the fiber-optic connection over the copper connection. For...
... total bandwidth, and so on. If all LEDs on a Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, or 2950T-24 switch are green (no amber showing), the switch is operating at 100 Mbps. If an LRE switch senses connections to Figure 1-24 show the bandwidth utilization percentages displayed by default, the switch chooses the fiber-optic connection over the copper connection. For...