3com Hubs and Switches User Manual
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
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.
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
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.
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)
attaching other units (up to 30
hubs can be daisy-chained on a
single segment)
■
Bandwidth Utilization Meter
monitors traffic use on the network
monitors traffic use on the network
OfficeConnect Hub TP4
3C16704
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.
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
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.
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)
a time)
■
Bandwidth Utilization Meter
monitors traffic use on the network
monitors traffic use on the network
OfficeConnect Hub 8/TPO
3C16700
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.
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
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.
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)
attaching other units (up to 30
hubs can be daisy-chained on a
single segment)
■
Bandwidth Utilization Meter
monitors traffic use on the network
monitors traffic use on the network
OfficeConnect Hub 8/TPM
3C16710
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.
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)
functions, including full RMON
support (nine groups)
■
Telnet support
■
Full integration with 3Com
Transcend management applications
Transcend management applications
■
BNC 10BASE2 coaxial port for
attaching other units (up to 30
hubs can be daisy-chained on a
single segment)
attaching other units (up to 30
hubs can be daisy-chained on a
single segment)
■
Bandwidth Utilization Meter
monitors traffic use on the network
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
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
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
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
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