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...Class B digital device in a particular installation. All rights reserved. Operation of the UNIX operating system. These specifications are designed to correct the interference at their respective owners. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ...Cisco and the Cisco Logo are shown for Class A or Class B digital devices. A listing of the FCC rules. Third party trademarks mentioned are not intended to operate the product. The use the equipment may cause interference with FCC requirements for illustrative purposes only. Catalyst 3750 Switch...
...Class B digital device in a particular installation. All rights reserved. Operation of the UNIX operating system. These specifications are designed to correct the interference at their respective owners. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ...Cisco and the Cisco Logo are shown for Class A or Class B digital devices. A listing of the FCC rules. Third party trademarks mentioned are not intended to operate the product. The use the equipment may cause interference with FCC requirements for illustrative purposes only. Catalyst 3750 Switch...
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... Address and Configuration 6 Replacing a Failed Stack Member 6 Finding the Switch Serial Number 7 1 Technical Specifications 1 1 Connector and Cable Specifications 1 Connector Specifications 1 10/100 and 10/100/1000 Ports 2 100BASE-FX Ports 2 SFP Module Ports 3 XENPAK Module Ports (Catalyst 3750G-16TD Switch) 4 Console Port 4 Cable and Adapter Specifications 5 SFP Module Cable Specifications 5 Two Twisted-Pair Cable Pinouts 6 Four Twisted-Pair Cable...
... Address and Configuration 6 Replacing a Failed Stack Member 6 Finding the Switch Serial Number 7 1 Technical Specifications 1 1 Connector and Cable Specifications 1 Connector Specifications 1 10/100 and 10/100/1000 Ports 2 100BASE-FX Ports 2 SFP Module Ports 3 XENPAK Module Ports (Catalyst 3750G-16TD Switch) 4 Console Port 4 Cable and Adapter Specifications 5 SFP Module Cable Specifications 5 Two Twisted-Pair Cable Pinouts 6 Four Twisted-Pair Cable...
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... of PoE, or any combination of PoE. Each of the Catalyst 3750G-24WS-S25 and 3750G-24WS-S50 switch PoE ports can deliver an average of 7.7 W of PoE. The device manager and the CLI provide two PoE settings for proper operation. Cisco enhanced power negotiation allows some powered devices, such as the... Cisco 7970G IP Phone, to switches or hubs, use a twisted four-pair, Category 5 or later cable for each 10/100 or 10/100/1000 PoE port: Auto (the default) and Never. • When you connect the switch to operate in Appendix A, "Technical Specifications." The powered device...
... of PoE, or any combination of PoE. Each of the Catalyst 3750G-24WS-S25 and 3750G-24WS-S50 switch PoE ports can deliver an average of 7.7 W of PoE. The device manager and the CLI provide two PoE settings for proper operation. Cisco enhanced power negotiation allows some powered devices, such as the... Cisco 7970G IP Phone, to switches or hubs, use a twisted four-pair, Category 5 or later cable for each 10/100 or 10/100/1000 PoE port: Auto (the default) and Never. • When you connect the switch to operate in Appendix A, "Technical Specifications." The powered device...
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... in your network through the Cisco Catalyst 4506. Note On the Catalyst 3750G-24WS-S25 and the 3750G-24WS-S50 switches, there are two console ports; the switch console port and the controller...Specifications" section on the Cisco RPS 675, see the device manager online help. 1-26 Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 You can access the device manager from anywhere in the switch...Management Options Chapter 1 Product Overview Cisco RPS 675 The Cisco RPS 675 has two output levels: -48 V and 12 V with Cisco Network Assistant guide on Cisco.com. • Device manager ...
... in your network through the Cisco Catalyst 4506. Note On the Catalyst 3750G-24WS-S25 and the 3750G-24WS-S50 switches, there are two console ports; the switch console port and the controller...Specifications" section on the Cisco RPS 675, see the device manager online help. 1-26 Catalyst 3750 Switch Hardware Installation Guide OL-6336-10 You can access the device manager from anywhere in the switch...Management Options Chapter 1 Product Overview Cisco RPS 675 The Cisco RPS 675 has two output levels: -48 V and 12 V with Cisco Network Assistant guide on Cisco.com. • Device manager ...
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...AC power outlet to the connector on page B-5 for a list of cable specifications for 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX, and CWDM fiber-optic SFP module connections. Note If you install the switch in a closed or multirack assembly, the temperature around the unit should insert... activities). Make sure the cabling is access to ports is less than normal room temperature. • Cisco Ethernet Switches are planning to stack the switches. Catalyst 3750 Switch Hardware Installation Guide 2-6 OL-6336-10 When the fiber-optic cable span is sufficient for unrestricted cabling....
...AC power outlet to the connector on page B-5 for a list of cable specifications for 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX, and CWDM fiber-optic SFP module connections. Note If you install the switch in a closed or multirack assembly, the temperature around the unit should insert... activities). Make sure the cabling is access to ports is less than normal room temperature. • Cisco Ethernet Switches are planning to stack the switches. Catalyst 3750 Switch Hardware Installation Guide 2-6 OL-6336-10 When the fiber-optic cable span is sufficient for unrestricted cabling....
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...switch stacks, see Appendix A, "Technical Specifications." Planning the Stack If you might affect the switch that you cable the switches before you power on the switches in a stack: • The sequence in the "Installing the Switch" section on page 1-24. Call Cisco Systems if your Cisco supplier. Install the switch...2-8 • Cabling Considerations, page 2-9 • Recommended Cabling Configurations, page 2-10 Planning Considerations Before connecting the Catalyst 3750 switches in a stack, observe these planning considerations: • Size of the rack if you plan to the rear ...
...switch stacks, see Appendix A, "Technical Specifications." Planning the Stack If you might affect the switch that you cable the switches before you power on the switches in a stack: • The sequence in the "Installing the Switch" section on page 1-24. Call Cisco Systems if your Cisco supplier. Install the switch...2-8 • Cabling Considerations, page 2-9 • Recommended Cabling Configurations, page 2-10 Planning Considerations Before connecting the Catalyst 3750 switches in a stack, observe these planning considerations: • Size of the rack if you plan to the rear ...
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...specifications on the other end of the cable, and the cable must not exceed the stipulated cable length for the switch. Each SFP module has an internal serial EEPROM that is absolutely necessary. This encoding provides a way for Cisco to your SFP module documentation. OL-6336-10 Catalyst 3750 Switch... cable connector, or the optical interfaces in the SFP module. SFP modules are inserted into SFP module slots on the Catalyst 3750 switch. See the Catalyst 3750 release notes for SFP connections. Figure 2-47 SFP Module with a Bale-Clasp Latch 86575 To insert an SFP module...
...specifications on the other end of the cable, and the cable must not exceed the stipulated cable length for the switch. Each SFP module has an internal serial EEPROM that is absolutely necessary. This encoding provides a way for Cisco to your SFP module documentation. OL-6336-10 Catalyst 3750 Switch... cable connector, or the optical interfaces in the SFP module. SFP modules are inserted into SFP module slots on the Catalyst 3750 switch. See the Catalyst 3750 release notes for SFP connections. Figure 2-47 SFP Module with a Bale-Clasp Latch 86575 To insert an SFP module...
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... can reduce performance or result in Table 2-1 to select the correct cable for connecting the switch 10/100 and 10/100/1000 ports to either automatically provide PoE when a Cisco IP Phone, Cisco Aironet Access Point, or end device compliant with IEEE 802.3af is connected. To prevent ESD...Catalyst 3750 series 1 104765 2 1 Phillips-head screw 2 Module slot cover Connecting to the 10/100 and 10/100/1000 Ports The switch 10/100 and 10/100/1000 ports configure themselves to never provide PoE, even if an IP phone or an access point is connected. See the "Cable and Adapter Specifications...
... can reduce performance or result in Table 2-1 to select the correct cable for connecting the switch 10/100 and 10/100/1000 ports to either automatically provide PoE when a Cisco IP Phone, Cisco Aironet Access Point, or end device compliant with IEEE 802.3af is connected. To prevent ESD...Catalyst 3750 series 1 104765 2 1 Phillips-head screw 2 Module slot cover Connecting to the 10/100 and 10/100/1000 Ports The switch 10/100 and 10/100/1000 ports configure themselves to never provide PoE, even if an IP phone or an access point is connected. See the "Cable and Adapter Specifications...
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... to PoE ports. The auto-MDIX feature is disabled by default. See the Cisco IP Phone documentation for cable-pinout descriptions.) When you connect a switch to use a crossover cable. (See the "Cable and Adapter Specifications" section on page B-5 for more than one RJ-45 connector. Note Many...connect the switch to a copper 10/100, 10/100/1000, or 1000BASE-T SFP module port on the switch, regardless of the type of the connection. For releases between Cisco IOS Release 12.1(14)EA1 and 12.2(18)SE, the auto-MDIX feature is enabled by a crossover cable. 2-40 Catalyst 3750 Switch Hardware ...
... to PoE ports. The auto-MDIX feature is disabled by default. See the Cisco IP Phone documentation for cable-pinout descriptions.) When you connect a switch to use a crossover cable. (See the "Cable and Adapter Specifications" section on page B-5 for more than one RJ-45 connector. Note Many...connect the switch to a copper 10/100, 10/100/1000, or 1000BASE-T SFP module port on the switch, regardless of the type of the connection. For releases between Cisco IOS Release 12.1(14)EA1 and 12.2(18)SE, the auto-MDIX feature is enabled by a crossover cable. 2-40 Catalyst 3750 Switch Hardware ...
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...the system LED rapidly blinks green. Contact your Cisco technical support representative if your switch does not pass POST. Ethernet and Fiber Cables...information about cabling, see if the problem also exists there. Catalyst 3750 Switch Hardware Installation Guide 3-2 OL-6336-10 See the "LEDs"...Switch POST Results As the switch powers on page 1-13 for a description of the LED colors and their meanings. Note POST failures are usually fatal. You can identify this situation because the port will have physical access to the switch to see Appendix B, "Cable and Adapter Specifications...
...the system LED rapidly blinks green. Contact your Cisco technical support representative if your switch does not pass POST. Ethernet and Fiber Cables...information about cabling, see if the problem also exists there. Catalyst 3750 Switch Hardware Installation Guide 3-2 OL-6336-10 See the "LEDs"...Switch POST Results As the switch powers on page 1-13 for a description of the LED colors and their meanings. Note POST failures are usually fatal. You can identify this situation because the port will have physical access to the switch to see Appendix B, "Cable and Adapter Specifications...
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... the cable. Many legacy powered devices, including older Cisco IP phones and access points that the module meets the...Specifications," for more information. • Check the cable type. Sometimes a cable appears to a PoE port. Verify that is received, you are connected to be used when a straight-through cable. If the link light for a description of your connected devices. See the "Power Connectors" section on page 1-12...that both ends of supported SFP modules. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-3 A single broken wire or one ...
... the cable. Many legacy powered devices, including older Cisco IP phones and access points that the module meets the...Specifications," for more information. • Check the cable type. Sometimes a cable appears to a PoE port. Verify that is received, you are connected to be used when a straight-through cable. If the link light for a description of your connected devices. See the "Power Connectors" section on page 1-12...that both ends of supported SFP modules. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-3 A single broken wire or one ...
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...(FCS), or late-collisions errors, a speed or duplex mismatch might be causing the problem. See the "Cable and Adapter Specifications" section on your NIC card might be set to autonegotiate, yet sometimes autonegotation issues occur. A common issue with no autonegotiation. By default... can adjust itself even if the connected port does not autonegotiate. It is different from the manufacturer. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-5 The speed parameter can result in a mismatch: • A manually set speed or duplex parameter is common...
...(FCS), or late-collisions errors, a speed or duplex mismatch might be causing the problem. See the "Cable and Adapter Specifications" section on your NIC card might be set to autonegotiate, yet sometimes autonegotation issues occur. A common issue with no autonegotiation. By default... can adjust itself even if the connected port does not autonegotiate. It is different from the manufacturer. OL-6336-10 Catalyst 3750 Switch Hardware Installation Guide 3-5 The speed parameter can result in a mismatch: • A manually set speed or duplex parameter is common...
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...: • Specifications for the Catalyst 3750G-12S Switch, Table A-1 on page A-2 • Specifications for the Catalyst 3750G-12S-SD Switch, Table A-2 on page A-2 • Specifications for the Catalyst 3750-24FS Switch, Table A-3 on page A-3 • Specifications for the Catalyst 3750-24TS Switch, Table A-4 on page A-3 • Specifications for the Catalyst 3750G-24T Switch, Table A-5 on page A-4 • Specifications for the Catalyst 3750-24PS Switch, Table A-6 on page A-4 • Specifications for the Catalyst 3750G-24PS Switch, Table A-7 on...
...: • Specifications for the Catalyst 3750G-12S Switch, Table A-1 on page A-2 • Specifications for the Catalyst 3750G-12S-SD Switch, Table A-2 on page A-2 • Specifications for the Catalyst 3750-24FS Switch, Table A-3 on page A-3 • Specifications for the Catalyst 3750-24TS Switch, Table A-4 on page A-3 • Specifications for the Catalyst 3750G-24T Switch, Table A-5 on page A-4 • Specifications for the Catalyst 3750-24PS Switch, Table A-6 on page A-4 • Specifications for the Catalyst 3750G-24PS Switch, Table A-7 on...
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Appendix A Technical Specifications Table A-1 Specifications for the Catalyst 3750G-12S Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70... 409 BTUs per hour Power rating 0.120 kVA Physical Dimensions Weight 10 lb (4.6 kg) Dimensions (H x W x D) 1.73 x 17.5 x 12.8 in. (4.4 x 44.5 x 32.6 cm) Table A-2 Specifications for the Catalyst 3750G-12S-SD Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C) Relative...
Appendix A Technical Specifications Table A-1 Specifications for the Catalyst 3750G-12S Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70... 409 BTUs per hour Power rating 0.120 kVA Physical Dimensions Weight 10 lb (4.6 kg) Dimensions (H x W x D) 1.73 x 17.5 x 12.8 in. (4.4 x 44.5 x 32.6 cm) Table A-2 Specifications for the Catalyst 3750G-12S-SD Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C) Relative...
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Appendix A Technical Specifications Table A-3 Specifications for the Catalyst 3750-24FS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C)... Hz DC input voltages for RPS 2300 and 675 +12 V @8.5 A Power consumption 70 W, 240 BTUs per hour Power rating 0.070 kVA Physical Dimensions Weight 9 lb (4.1 kg) Dimensions (H x W x D) 1.73 x 17.5 x 11.8 in. (4.4 x 44.5 x 30.1 cm) Table A-4 Specifications for the Catalyst 3750-24TS Switch Environmental Ranges Operating temperature 32 to 113°F (0...
Appendix A Technical Specifications Table A-3 Specifications for the Catalyst 3750-24FS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C)... Hz DC input voltages for RPS 2300 and 675 +12 V @8.5 A Power consumption 70 W, 240 BTUs per hour Power rating 0.070 kVA Physical Dimensions Weight 9 lb (4.1 kg) Dimensions (H x W x D) 1.73 x 17.5 x 11.8 in. (4.4 x 44.5 x 30.1 cm) Table A-4 Specifications for the Catalyst 3750-24TS Switch Environmental Ranges Operating temperature 32 to 113°F (0...
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Appendix A Technical Specifications Table A-5 Specifications for the Catalyst 3750G-24T Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C) ...165 W, 563 BTUs per hour Power rating 0.165 kVA Physical Dimensions Weight 10 lb (4.6 kg) Dimensions (H x W x D) 1.73 x 17.5 x 12.8 in. (4.4 x 44.5 x 32.6 cm) Table A-6 Specifications for the Catalyst 3750-24PS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°...
Appendix A Technical Specifications Table A-5 Specifications for the Catalyst 3750G-24T Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C) ...165 W, 563 BTUs per hour Power rating 0.165 kVA Physical Dimensions Weight 10 lb (4.6 kg) Dimensions (H x W x D) 1.73 x 17.5 x 12.8 in. (4.4 x 44.5 x 32.6 cm) Table A-6 Specifications for the Catalyst 3750-24PS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°...
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Appendix A Technical Specifications OL-6336-10 Table A-7 Specifications for the Catalyst 3750G-24PS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C) Relative humidity 10 to ... 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 @7.5 A and -48 V @7.8 A Power consumption 540 W Power dissipation 170 W, 580 BTUs per hour Power rating 0.54 kVA Power over Ethernet Range from 4 to 15.4 W per port...
Appendix A Technical Specifications OL-6336-10 Table A-7 Specifications for the Catalyst 3750G-24PS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to 158°F (-25 to 70°C) Relative humidity 10 to ... 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 @7.5 A and -48 V @7.8 A Power consumption 540 W Power dissipation 170 W, 580 BTUs per hour Power rating 0.54 kVA Power over Ethernet Range from 4 to 15.4 W per port...
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... 1.73 x 17.5 x 14.8 in. (4.4 x 44.5 x 37.8 cm) Table A-9 Specifications for the Catalyst 3750G-48PS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to ...12 V @14 A and -48 V @7.8 A Power consumption 560 W Power dissipation 220 W, 690 BTUs per hour Power rating 0.56 kVA Power over Ethernet Range from 4 to 15.4 W per port, up to 370 W switch maximum Physical Dimensions Weight 15.5 lb (7 kg) Dimensions (H x W x D) 1.73 x 17.5 x 16.1 in. (4.4 x 44.5 x 40.9 cm) Table A-10 Specifications for the Catalyst 3750G-16TD Switch...
... 1.73 x 17.5 x 14.8 in. (4.4 x 44.5 x 37.8 cm) Table A-9 Specifications for the Catalyst 3750G-48PS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to 45°C) Storage temperature -13 to ...12 V @14 A and -48 V @7.8 A Power consumption 560 W Power dissipation 220 W, 690 BTUs per hour Power rating 0.56 kVA Power over Ethernet Range from 4 to 15.4 W per port, up to 370 W switch maximum Physical Dimensions Weight 15.5 lb (7 kg) Dimensions (H x W x D) 1.73 x 17.5 x 16.1 in. (4.4 x 44.5 x 40.9 cm) Table A-10 Specifications for the Catalyst 3750G-16TD Switch...
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...615 BTUs per hour Power rating 0.180 kVA Physical Dimensions Weight 12.5 lb (5.7 kg) Dimensions (H x W x D) 1.73 x 17.5 x 16.1 in. (4.4 x 44.5 x 40.9 cm) Table A-11 Specifications for the Catalyst 3750G-24TS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to ...per hour Power rating 0.190 kVA Physical Dimensions Weight 12.5 lb (5.7 kg) Dimensions (H x W x D) 2.59 x 17.5 x 11.6 in. (6.6 x 44.5 x 29.5 cm) Table A-12 Specifications for the Catalyst 3750G-24TS-1U Switch Environmental Ranges Operating temperature Storage temperature Relative humidity Operating ...
...615 BTUs per hour Power rating 0.180 kVA Physical Dimensions Weight 12.5 lb (5.7 kg) Dimensions (H x W x D) 1.73 x 17.5 x 16.1 in. (4.4 x 44.5 x 40.9 cm) Table A-11 Specifications for the Catalyst 3750G-24TS Switch Environmental Ranges Operating temperature 32 to 113°F (0 to ...per hour Power rating 0.190 kVA Physical Dimensions Weight 12.5 lb (5.7 kg) Dimensions (H x W x D) 2.59 x 17.5 x 11.6 in. (6.6 x 44.5 x 29.5 cm) Table A-12 Specifications for the Catalyst 3750G-24TS-1U Switch Environmental Ranges Operating temperature Storage temperature Relative humidity Operating ...
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... Specifications Table A-12 Specifications for the Catalyst 3750G-24TS-1U Switch (continued) Environmental Ranges DC input voltages for RPS 2300 and 675 +12 V @10.5 A Power consumption 100 W Power dissipation 100 W, 314 BTUs per hour Power rating 0.10 kVA Physical Dimensions Weight 12 lb (5.5 kg) Dimensions (H x W x D) 1.73 x 17.5 x 14.9 in. (4.4 x 44.5 x 37.8 cm) Table A-13 Specifications for the Catalyst 3750-48TS Switch...
... Specifications Table A-12 Specifications for the Catalyst 3750G-24TS-1U Switch (continued) Environmental Ranges DC input voltages for RPS 2300 and 675 +12 V @10.5 A Power consumption 100 W Power dissipation 100 W, 314 BTUs per hour Power rating 0.10 kVA Physical Dimensions Weight 12 lb (5.5 kg) Dimensions (H x W x D) 1.73 x 17.5 x 14.9 in. (4.4 x 44.5 x 37.8 cm) Table A-13 Specifications for the Catalyst 3750-48TS Switch...