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Ethernet Hubs
4
Example:
10 Mbps link
Switch
Workstation
10 Mbps
Hub
Dual Speed
Hub 8
Workstation
10 Mbps
Hub
10 Mbps
Hub
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.
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
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/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
OffceConn D/S 5/8/98 5:24 PM Page 4