3Com Hubs and Switches warranty Ethernet Hubs, OfficeConnect Hub TP4 3C16704

Ethernet Hubs

OfficeConnect Hub TP4 3C16704

A highly cost-effective, entry-level unmanaged hub, the OfficeConnect Hub TP4 provides four 10 Mbps twisted-pair connections and represents the most economical OfficeConnect product for homes or small businesses.

■Four RJ-45 10BASE-T connections

OfficeConnect Hub TP4Combo 3C16703

Offering all the functionality of the OfficeConnect Hub TP4, the OfficeConnect Hub TP4Combo delivers the added functionality of one auto-sensing BNC/AUI port for connection to coaxial or alternative media network through the use of optional external transceiver modules.

■Four RJ-45 10BASE-T connections

■BNC and AUI ports (one active at a time)

■Bandwidth Utilization Meter monitors traffic use on the network

OfficeConnect Hub 8/TPO 3C16700

An entry-level hub that provides eight twisted-pair connections, this model offers a cost-effective solution for small businesses wanting a simple, yet powerful network.

■Eight RJ-45 10BASE-T connections

OfficeConnect Hub 8/TPC 3C16701

Ideal for growing businesses that may need to expand their existing coaxial network, this hub is configured with eight shielded twisted-pair ports and includes enhanced diagnostic capabilities.

■Eight RJ-45 10BASE-T connections

■BNC 10BASE2 coaxial port for attaching other units (up to 30 hubs can be daisy-chained on a single segment)

■Bandwidth Utilization Meter monitors traffic use on the network

OfficeConnect Hub 8/TPO

OfficeConnect Hub TP16C 3C16702

Ideal for small offices that need expanded network capacity without exceeding sensitive budgets, the OfficeConnect Hub TP16C provides 16 RJ-45 ports and one BNC connector for connectivity to coaxial network backbones.

■Sixteen RJ-45 10BASE-T connections

■BNC 10BASE2 coaxial port for attaching other units (up to 30 hubs can be daisy-chained on a single segment)

■Bandwidth Utilization Meter monitors traffic use on the network

Ethernet (10 Mbps) Configuration Rules

Using twisted-pair cables, you can connect a maximum of four Ethernet (10 Mbps) hubs in series between workstations, or between a workstation and a nonrepeater piece of equipment (such as a switch). Each cable must not exceed 100 m (328 ft).

An example is shown.

10 Mbps link

Example:

Workstation
Switch
10	Mbps
Hub
	Dual		Speed
			8
	Hub
	10	Mbps
	Hub
		10		Mbps
			Hub

Workstation

OfficeConnect Hub 8/TPM 3C16710

For networks requiring more extensive management as well as future expand- ability, this hub offers powerful SNMP management functions, including full RMON support via an embedded SNMP SmartAgent intelligent agent. It’s shipped with 3Com Transcend Quick Configuration Manager software for simplified installation.

■Eight RJ-45 10BASE-T connections

■Concise installation procedure

■Powerful SNMP-based management functions, including full RMON support (nine groups)

■Telnet support

■Full integration with 3Com Transcend management applications

■BNC 10BASE2 coaxial port for attaching other units (up to 30 hubs can be daisy-chained on a single segment)

■Bandwidth Utilization Meter monitors traffic use on the network

■Advanced security features, including: Disconnect Unknown Device (DUD), which allows the hub to disable a port with an unknown device attached to it or report the incident to a management station; Need To Know (NTK), which prevents unauthorized devices

from intercepting confidential communications

■Configurable Alert LED lights when a selected condition such as a preset level of collisions, coaxial port parti- tion, log-in violation, or port security violation occurs

■Serial port for connecting a management terminal

■Remote Support Tool allows the hub to be configured to monitor the network and report conditions to a reseller or centralized management site via a modem link

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