User Guide
Page 1
3Com Baseline Switch 2900 Family User Guide Baseline Switch 2920-SFP Plus Baseline Switch 2928-SFP Plus Baseline Switch 2952-SFP Plus Baseline Switch 2928-PWR Plus Baseline Switch 2928-HPWR Plus Manual Version: 6W102-20090810 www.3com.com 3Com Corporation 350 Campus Drive, Marlborough, MA, USA 01752 3064
3Com Baseline Switch 2900 Family User Guide Baseline Switch 2920-SFP Plus Baseline Switch 2928-SFP Plus Baseline Switch 2952-SFP Plus Baseline Switch 2928-PWR Plus Baseline Switch 2928-HPWR Plus Manual Version: 6W102-20090810 www.3com.com 3Com Corporation 350 Campus Drive, Marlborough, MA, USA 01752 3064
User Guide
Page 85
... the port. Set the duplex mode of the link must first set its link type to 10, 100, or 1000 Mbps Duplex Link Type PVID SFP optical ports do not support the half option. Sometimes, after you modify the operation parameters of a port, you must have the modifications take effect. z Auto...: auto-negotiation z Full: full duplex z Half: half duplex Ethernet electrical ports whose transmission rate is configured as 1000 Mbps and SFP optical ports do not support the 10 or 100 option.
... the port. Set the duplex mode of the link must first set its link type to 10, 100, or 1000 Mbps Duplex Link Type PVID SFP optical ports do not support the half option. Sometimes, after you modify the operation parameters of a port, you must have the modifications take effect. z Auto...: auto-negotiation z Full: full duplex z Half: half duplex Ethernet electrical ports whose transmission rate is configured as 1000 Mbps and SFP optical ports do not support the 10 or 100 option.
User Guide
Page 86
... used only when the device cannot determine the cable type. z For an Ethernet port in across , normal, and auto. z When straight-through cables are changed . SFP optical ports do not support this way, flow control helps to connect Ethernet devices: crossover cable and straight-through auto negotiation. In this feature. With...
... used only when the device cannot determine the cable type. z For an Ethernet port in across , normal, and auto. z When straight-through cables are changed . SFP optical ports do not support this way, flow control helps to connect Ethernet devices: crossover cable and straight-through auto negotiation. In this feature. With...
User Guide
Page 110
... to enter the page for testing cable status. The test covers whether short circuit or open circuit occurs on the cable and the length of a SFP port does not support this operation on the device. 1 VCT Overview z The optical interface of the faulty cable. The test result is returned in details...
... to enter the page for testing cable status. The test covers whether short circuit or open circuit occurs on the cable and the length of a SFP port does not support this operation on the device. 1 VCT Overview z The optical interface of the faulty cable. The test result is returned in details...
User Guide
Page 500
...power for a PoE interface in the following two modes: z Over signal wires: The PSE uses the pairs (1, 2, 3, 6) for signal mode. 3Com Baseline Switch 2920-SFP Plus is a single PSE device, as so .this manual introduces the device with the PoE capability is called PoE interface. The PD that the PoE power...The PSE uses the pairs (4, 5, 7, 8) not transmitting data in a category 3/5 twisted pair cable to supply DC power while transmitting data to PDs. 3Com Baseline Switch 2920-SFP Plus only support for transmitting data in a category 3/5 twisted pair cable to supply DC power to PDs.
...power for a PoE interface in the following two modes: z Over signal wires: The PSE uses the pairs (1, 2, 3, 6) for signal mode. 3Com Baseline Switch 2920-SFP Plus is a single PSE device, as so .this manual introduces the device with the PoE capability is called PoE interface. The PD that the PoE power...The PSE uses the pairs (4, 5, 7, 8) not transmitting data in a category 3/5 twisted pair cable to supply DC power while transmitting data to PDs. 3Com Baseline Switch 2920-SFP Plus only support for transmitting data in a category 3/5 twisted pair cable to supply DC power to PDs.
Data Sheet
Page 1
... deliver maximum voice and data quality, traffic flow can be directed according to the network. from left top, clockwise: 3Com Switch 2916-SFP Plus, Switch 2924-PWR Plus, Switch 2948-SFP Plus, Switch 2924-SFP Plus DATA SHEET 3Com® Baseline Switch 2900 Plus Family Enterprise-class, Gigabit switches for small and medium businesses, voice ready with PoE and advanced features for network control and flexibility OVERVIEW The...
... deliver maximum voice and data quality, traffic flow can be directed according to the network. from left top, clockwise: 3Com Switch 2916-SFP Plus, Switch 2924-PWR Plus, Switch 2948-SFP Plus, Switch 2924-SFP Plus DATA SHEET 3Com® Baseline Switch 2900 Plus Family Enterprise-class, Gigabit switches for small and medium businesses, voice ready with PoE and advanced features for network control and flexibility OVERVIEW The...
Data Sheet
Page 2
... diagnostic tool lets users troubleshoot basic connectivity problems via SFP-based fiber modules. Using the CLI, major switch management options can be quickly configured. Link aggregation (trunking...performance, instead of voice traffic to configure the switch. 3COM® BASELINE SWITCH 2900 PLUS FAMILY KEY BENEFITS (CONTINUED) NO SWITCH SETUP REQUIRED Baseline Plus switches are connected, and on what ports. as long... Daisychain multiple units together via the front panel console port. PoE support (PWR model only) Provides power for data; lowers total cost of ownership since ...
... diagnostic tool lets users troubleshoot basic connectivity problems via SFP-based fiber modules. Using the CLI, major switch management options can be quickly configured. Link aggregation (trunking...performance, instead of voice traffic to configure the switch. 3COM® BASELINE SWITCH 2900 PLUS FAMILY KEY BENEFITS (CONTINUED) NO SWITCH SETUP REQUIRED Baseline Plus switches are connected, and on what ports. as long... Daisychain multiple units together via the front panel console port. PoE support (PWR model only) Provides power for data; lowers total cost of ownership since ...
Data Sheet
Page 3
... ORDERING INFORMATION PRODUCT DESCRIPTION 3Com Baseline Switch 2916-SFP Plus 3Com Baseline Switch 2924-SFP Plus 3Com Baseline Switch 2924-PWR Plus 3Com Baseline Switch 2948-SFP Plus Transceivers 3Com 1000BASE-SX SFP 3Com 1000BASE-LX SFP 3COM SKU 3CBLSG16 3CBLSG24 3CBLSG24PWR 3CBLSG48 3CSFP91 3CSFP92 CONNECTORS Switch 2916-SFP Plus 16 10BASE-T/100BASE-X/1000BASE-T Switch 2924-SFP Plus 24 10BASE-T/100BASE-X/1000BASE-T Switch 2924-PWR Plus 24 10BASE-T/100BASE-X/1000BASE-T, PoE-enabled Switch 2948-SFP Plus 48 10BASE-T/100BASE-X/1000BASE-T All switches 4 Gigabit SFP ports, dual-purposed with...
... ORDERING INFORMATION PRODUCT DESCRIPTION 3Com Baseline Switch 2916-SFP Plus 3Com Baseline Switch 2924-SFP Plus 3Com Baseline Switch 2924-PWR Plus 3Com Baseline Switch 2948-SFP Plus Transceivers 3Com 1000BASE-SX SFP 3Com 1000BASE-LX SFP 3COM SKU 3CBLSG16 3CBLSG24 3CBLSG24PWR 3CBLSG48 3CSFP91 3CSFP92 CONNECTORS Switch 2916-SFP Plus 16 10BASE-T/100BASE-X/1000BASE-T Switch 2924-SFP Plus 24 10BASE-T/100BASE-X/1000BASE-T Switch 2924-PWR Plus 24 10BASE-T/100BASE-X/1000BASE-T, PoE-enabled Switch 2948-SFP Plus 48 10BASE-T/100BASE-X/1000BASE-T All switches 4 Gigabit SFP ports, dual-purposed with...