DATA SHEET
Key Benefits
OfficeConnect
products provide
connectivity for
every small office
need
Easy to Install and Use
Enjoy plug-and-play simplicity.
Simple Troubleshooting
Get at-a-glance network status
information from front-panel
diagnostic LEDs.
Compact Design
Save valuable small-office space
with compact, ergonomic, and
clippable design.
Lifetime Limited Warranty
Ensures peace of mind when
purchasing 3Com®OfficeConnect®
products.
Free Telephone Support
3Com offers telephone assistance
during the first 90 days, including
installation help and general
troubleshooting.
Engineered for Small-Business Needs
The OfficeConnect family is the
first solution designed specifically
for small-office operations—often
imitated but never equaled by other
network vendors.
Specifically designed for small
businesses and offices, 3Com
OfficeConnect switches and hubs
provide businesses with an integrated
system of small-office networking. By
installing a LAN, users can work more
effectively with file and print sharing
and reduce costs by sharing expen-
sive resources as printers.
OfficeConnect products provide
connectivity for every business
need. For the value-conscious user,
standard Ethernet hubs are ideal,
while Fast Ethernet switches and
hubs provide additional speed for
high-volume traffic. OfficeConnect
Dual Speed Ethernet switches and
hubs feature autosensing technology,
allowing users to migrate to higher
speeds when needed. They are
available in a variety of port
densities—from 4 to 16 ports.
OfficeConnect Switches and Hubs are
a core part of the OfficeConnect family.
The 3Com OfficeConnect family
offers the most flexible, expandable,
and integrated networking solutions
for small businesses.
OfficeConnect products include:
LAN Connectivity
•Network interface cards
• Switches and hubs
Remote Access and Internet Connectivity
•LAN modems
•Internet Gateway Routers
• Internet firewalls
3Com®OfficeConnect®Hubs
3COM®OFFICECONNECT®HUBS DATA SHEET
2
OfficeConnect Dual Speed Hubs
The OfficeConnect family of dual speed hubs provides full 100 Mbps perfor-
mance and is designed for small businesses that want more performance from
their network. This family of hubs delivers quick exchange of data between PCs
and swift downloading from the network. OfficeConnect Dual Speed Hubs
feature 10/100 autosensing technology and provide the flexibility to connect
devices at either speed—automatically assigning power where possible and
offering a smooth transition from 10 Mbps to 100 Mbps.
Each hub features plug-and-play installation, requires no configuration, has an
easy-to-read, front-panel display with diagnostic LEDs. All hubs are backed by
3Com’s Limited Lifetime Warranty and 90-day telephone support.
OfficeConnect Ethernet Hubs
The OfficeConnect family of Ethernet hubs is specifically designed for small
businesses with basic networking requirements, such as file or peripheral shar-
ing, or for those who simply want to add additional users to a 10BASE-T
network. OfficeConnect hubs offer compatibility with legacy coax networks
and provide connections for 4, 8, or 16 users or networked devices.
OfficeConnect Dual Speed Hub 16
OfficeConnect Ethernet Hub 8
Telephone
Network support and External
10BASE-T 10BASE-T 10BASE-T LED utilization MDI-MDIX Limited Life- power
RJ-45 coax AUI indicators (LED) port time Warranty FCC Class B supply
OfficeConnect Ethernet Hub 4 4✓✓✓✓11 W
(3C16704A)
A low-cost, entry-level hub, providing
basic Ethernet connectivity.
OfficeConnect Ethernet Hub 4C 411✓✓✓✓ ✓11 W
(3C16703A)
Ideal for entry-level networks requiring
alternative media connectivity.
OfficeConnect Ethernet Hub 8 8✓✓✓✓11 W
(3C16700A)
A popular entry-level hub providing
basic Ethernet connectivity.
OfficeConnect Ethernet Hub 8C 81 ✓✓✓✓ ✓11 W
(3C16701A)
Ideal hub for businesses wanting to
expand their existing coaxial network.
OfficeConnect Ethernet Hub 16C 16 1 ✓✓✓✓ ✓11 W
(3C16702A)
Provides expanded network capacity and
connectivity to legacy coaxial networks.
Telephone
10/100 MAC support and
autosensing addresses MDI/MDIX Limited Life- External
OfficeConnect Dual Speed Hubs ports LED indicators supported port time Warranty FCC Class B power supply
OfficeConnect Dual Speed Hub 5 5Power, 1,024 ✓✓✓11 W
(3C16755) Port Status,
A low density affordable hub. Collision
OfficeConnect Dual Speed Hub 8 8Power, 1,024 ✓✓✓11 W
(3C16753) Port status,
A popular hub combining Fast Ethernet Collision
performance with the flexibility to expand
an existing Ethernet network to Fast Ethernet.
OfficeConnect Dual Speed Hub 16 16 Power, 1,024 ✓✓✓11 W
(3C16754) Network
Ideal for Fast Ethernet connectivity with utilization,
the flexibility to expand an existing Ethernet Port status,
network to Fast Ethernet. Collision
3COM®OFFICECONNECT®HUBS DATA SHEET
3
Features and
Benefits
Specifications OfficeConnect hubs come with
auser guide, power adapter,
one-piece clipping system, and
rubber feet.
OfficeConnect Ethernet Hub 4
(10BASE-T Hub) 3C16704A
Connectors:
4 RJ-45 ports for 10BASE-T
twisted pair
Dimensions:
Width: 228 mm (9.1 in)
Height: 41.8 mm (1.6 in)
Depth: 135.4 mm (5.3 in)
Weight: 500 g (1.1 lb)
Power: 2.33 VA
Functional:
ISO 8802/3; IEEE 802.3
EMC:
EN 55022 Class B; EN 55024;
EN 61000-3-2, EN 61000-3-3;
FCC Part 15 Class B; ICES-003
Class B; VCCI Class B; AS/NZS
3548 Class B
Environmental: EN 60068 (IEC 68)
Safety:
UL 1950; EN 60950; CSA 22.2
#950, IEC 60950
OfficeConnect Ethernet Hub 4C
(10BASE-T Hub) 3C16703A
Connectors:
4 RJ-45 ports for 10BASE-T
twisted pair; one BNC port for
10BASE2 thin Ethernet
(50 ohm); one AUI
Dimensions:
Width: 228 mm (9.1 in)
Height: 41.8 mm (1.6 in)
Depth: 135.4 mm (5.3 in)
Weight: 500 g (1.1 lb)
Power: 10.3 VA
Functional:
ISO 8802/3; IEEE 802.3
EMC:
EN 55022 Class B; EN 55024;
EN 61000-3-2, EN 61000-3-3;
FCC Part 15 Class B; ICES-003
Class B; VCCI Class B; AS/NZS
3548 Class B
Environmental: EN 60068 (IEC 68)
Safety:
UL 1950; EN 60950; CSA 22.2
#950, IEC 60950
OfficeConnect Ethernet Hub 8
(10BASE-T Hub) 3C16700A
Connectors:
8 RJ-45 ports for 10BASE-T
twisted pair
Dimensions:
Width: 228 mm (9.1 in)
Height: 41.8 mm (1.6 in)
Depth: 135.4 mm (5.3 in)
Weight: 500 g (1.1 lb)
Power: 3.13 VA
Functional:
ISO 8802/3; IEEE 802.3;
EMC:
EN 55022 Class B; EN 55024;
EN 61000-3-2, EN 61000-3-3;
FCC Part 15 Class B; ICES-003
Class B; VCCI Class B; AS/NZS
3548 Class B
Environmental: EN 60068 (IEC 68)
Safety:
UL 1950; EN 60950; CSA 22.2
#950, IEC 60950
OfficeConnect Ethernet Hub 8C
(10BASE-T Hub) 3C16701A
Connectors:
8 RJ-45 ports for 10BASE-T
twisted pair; one BNC port for
10BASE2 thin Ethernet (50 ohm)
Dimensions:
Width: 228 mm (9.1 in)
Height: 41.8 mm (1.6 in)
Depth: 135.4 mm (5.3 in) +
15.2 mm (0.6 in) for coaxial port
Weight: 550 g (1.2 lb)
Power: 5.53 VA
Functional:
ISO 8802/3; IEEE 802.3;
EMC:
EN 55022 Class B; EN 55024;
EN 61000-3-2, EN 61000-3-3;
FCC Part 15 Class B; ICES-003
Class B; VCCI Class B; AS/NZS
3548 Class B
Environmental: EN 60068 (IEC 68)
Safety:
UL 1950; EN 60950; CSA 22.2
#950, IEC 60950
Feature Benefit
10/100 autosensing ports Allows users to connect at either 10 Mbps or 100 Mbps to
the hub. The hub will operate at the highest speed possible,
optimizing network performance and user flexibility.
Compact and clippable One-piece clipping system lets users connect up to four units
design in a stack.
External power supply Provides more flexibility and reduces power requirements in the
product, eliminating the need for a noisy fan.
FCC Class B Indicates that a product is certified for use in domestic as well as
office environments (more stringent classification than Class A).
Fully compatible with OfficeConnect units support Novell NetWare, Microsoft
leading operating systems Windows 95, 98, 2000, Windows NT, and other leading
software systems, giving the widest range of backward
compatibility with existing office software.
Lifetime limited warranty Provides complete peace of mind.
and telephone support
MDI/MDIX push button Enables direct connection to a server, end station, or another
switch switch or hub, using regular straight-through cables.
Network utilization meter Indicates how much of the network bandwidth is in use. These
(available on most LEDs are continually updated to show when the network needs
OfficeConnect hubs) more bandwidth.
3COM®OFFICECONNECT®HUBS DATA SHEET
3Com Corporation, Corporate Headquarters, 5400 Bayfront Plaza, P.O. Box 58145, Santa Clara, CA 95052-8145.
To learn more about 3Com solutions, visit www.3com.com. 3Com Corporation is publicly traded on Nasdaq under the
symbol COMS.
Copyright © 2002 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and OfficeConnect are registered
trademarks of 3Com Corporation. All other company and product names may be trademarks of their respective compa-
nies. While every effort is made to ensure the information given is accurate, 3Com does not accept liability for any
errors or mistakes which may arise. Specifications subject to change without notice. 400719-003 09/02
OfficeConnect Ethernet Hub
16C (10BASE-T hub) 3C16702A
Connectors:
16 RJ-45 ports for 10BASE-T
twisted pair; one BNC port for
10BASE2 thin Ethernet (50 ohm)
Dimensions:
Width: 228 mm (9.1 in)
Height: 60.6 mm (2.4 in)
Depth: 185.4 mm (7.3 in)
Weight: 960 g (2.1 lb)
Power: 6.73 VA
Functional:
ISO 8802/3; IEEE 802.3
EMC:
EN 55022 Class B; EN 55024;
EN 61000-3-2, EN 61000-3-3;
FCC Part 15 Class B; ICES-003
Class B; VCCI Class B; AS/NZS
3548 Class B
Environmental: EN 60068 (IEC 68)
Safety:
UL 1950; EN 60950; CSA 22.2
#950, IEC 60950
OfficeConnect Dual Speed Hub 5
(10BASE-T/ 100BASE-TX Hub)
3C16755
Connectors:
5 RJ-45 10BASE-T/100BASE-TX
ports
Dimensions:
Width: 228 mm (9.1 in)
Height: 41.8 mm (1.6 in)
Depth: 135.4 mm (5.3 in)
Weight: 484 g (1.05 lb)
Power: 3 VA
Functional:
ISO 8802/3, IEEE 802.3
EMC:
EN 55022 Class B, EN 50082-1,
FCC Part 15 Class B, KES 003
Class B, VCCI Class B, CNS 13438
Class A
Environmental: EN 60068 (IEC68)
Safety:
UL 1950, EN 60950, CSA 22.2
#950, IEC 60950
OfficeConnect Dual Speed Hub 8
(10BASE-T/100BASE-TX Hub)
3C16753
Connectors:
8 RJ-45 10BASE-T/100BASE-TX
ports
Dimensions:
Width: 228 mm (1.6 in)
Height: 41.8 mm (2.4 in)
Depth: 135.4 mm (5.3 in)
Weight: 552 g (1.2 lb)
Power: 3 VA
Functional:
ISO 8802/3; IEEE 802.3
EMC:
EN 55022 Class B; EN 55024;
EN 61000-3-2, EN 61000-3-3;
FCC Part 15 Class B; ICES-003
Class B; VCCI Class B; AS/NZS
3548 Class B
Environmental: EN 60068 (IEC 68)
Safety:
UL 1950; EN 60950; CSA 22.2
#950, IEC 60950
OfficeConnect Dual Speed Hub
16 (10BASE-T/100BASE-TX)
3C16754
Connectors:
16 RJ-45 10BASE-T/100BASE-
TX ports
Dimensions:
Width: 228 mm (9.1 in)
Height: 60.6 mm (2.4 in)
Depth: 185.4 mm (7.3 in)
Weight: 945 g (2.08 lb)
Power: 8 VA
Functional:
ISO 8802/3; IEEE 802.3
EMC:
EN 55022 Class B; EN 55024;
EN 61000-3-2, EN 61000-3-3,
FCC Part 15 Class B; ICES-003
Class B; VCCI Class B; AS/NZS
3548 Class B
Environmental: EN 60068 (IEC 68)
Safety:
UL 1950; EN 60950; CSA 22.2
#950, IEC 60950
OfficeConnect Dual Speed Hub 5 3C16755
OfficeConnect Dual Speed Hub 8 3C16753
OfficeConnect Dual Speed Hub 16 3C16754
OfficeConnect Ethernet Hub 4 3C16704A
OfficeConnect Ethernet Hub 4C 3C16703A
OfficeConnect Ethernet Hub 8 3C16700A
OfficeConnect Ethernet Hub 8C 3C16701A
OfficeConnect Ethernet Hub 16C 3C16702A
Ordering Information
Specifications, continued
