Transition Networks E-TBT-HB-1002 User Manual
24 Port 10BaseT Ethernet Hub
Model E-TBT-HB-1002
Users Manual
Manual #7306
Specifications
Warranty: 2 years
Power Supply: Internal Power Supply, Input AC 100 -
250 VAC, 47 - 63 Hz, 40W Max
Environment: 0 - 70˚C, 5% - 90% humidity non-con-
densing, 0 - 10,000 ft. altitude
Dimensions: Free standing (rack mount adapters
included) 19" W x 6.25" D x 3.4" H
Desk top - 17" W x 6.25" D x 3.4" H
Accessories: Rack mounting tabs included for stand-
ard 19" wall racks
Rubber feet for free standing
Safety Approvals: UL Listed
C-UL Approved (Canadian Safety)
Table of Contents
Introduction........................................................................ 1
About 10BaseT (twisted pair) Topology...........................1
24 port Ethernet Hub Options ......................................... 2
Redundancy Feature......................................................... 2
Using Shielded Twisted Pair Wire.....................................3
Hub Views........................................................................... 3
Hub Reset Switch............................................................... 3
LED's................................................................................... 4
Redundancy Switch........................................................... 4
Rules for Configuring Your Network................................ 4
Table 1.....................................................................13
Figure 7...................................................................14
Twisted pair wiring............................................................. 7
Figure 2.................................................................... 9
Optional Slide In Cards..................................................... 9
Figures 4-6.............................................................. 11
Troubleshooting your Installation...................................12
Fuse Information...............................................................15
Approved European Power Cord Set Information...15&16
FCC Statement.................................................................. 17
Canadian Statement......................................................... 17
Technical Support............................................................ 17
Specifications................................................................... 18
Rack Mounting Tabs.........................................................18
FCC Regulations
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate
radio frequency energy and if not used in accordance with
the instruction manual, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which
case the user will be required to correct the interference at
his own cost.
Canadian Regulations
NOTE: This digital apparatus does not exceed the Class A
limits for radio noise for digital apparatus set out on the
Radio Interference Regulations of the Canadian Department
of Communications.
Technical Support
For more information about this product or other TRANSITION Networks products, call your local TRANSITION
Networks distributor, or contact us by telephone at (612)
941-7600 or fax (612) 941-2322.
Trademarks
Ethernet is a registered trademark of Xerox Corporation.
TRANSITION Networks, Inc.
24 Port 10BaseT Ethernet Hub
Model E-TBT-HB-1002
Installation Manual
Introduction
The 24 port 10BaseT Ethernet hub, Model E-TBT-HB-1002,
is an Ethernet repeater that provides an economical and
efficient networking system. It is rack mountable and is
designed to meet the IEEE 802.3 10BaseT standards.
Several repeaters can be cascaded together via
thicknet/thinnet coaxial cable, fiber optic cable and/or twisted pair cable to build a large Ethernet network. The 24 port
hub allows simple installation and expansion flexibility for
your future networking requirements.
About 10BaseT (twisted pair) Topology
The IEEE 802.3 10BaseT specification is defined as
Ethernet across twisted pair wire. This new technology for
Ethernet (across twisted pair wire) represents a step forward
in network cabling and management. Since 10BaseT utilizes twisted pair wire, the cost of networking is considerably
less expensive than using coaxial cables. It is also much
easier to install since it uses RJ-45 modular connectors.
Ethernet thick and thin (coax) networks are designed in a
linear “bus” or “daisy chain” topology where 10BaseT (twisted pair) networks are designed in a “star” type topology. In
a “star” topology the hub is located in the center of the configuration, with the individual nodes connected to the hub,
spread out like spokes on a wheel. In a linear or “bus”
topology, if you disconnect a device or accidentally open a
Table 3: Approved European Power Cord Set Information
Alternate Markings
Surface Utilizing
Printed or Embossed black-red-yellow
Harmonization (thread length/mm)
Approval Organization Marking Black Red Yellow
Belgium: Comite Electro- CEBEC-HAR 10 30 10
technique Beige (CEBEC)
Verband Deutscher Elektro- VDE-HAR 30 10 10
techniker (VDE)e, V., Prufstelle
Technique de l'Electricite (UTE) UTE-HAR 30 30 10
Institute del Marchio Qualita IEMMEQU-HAR 10 30 50
British Approvals Service for BASEC-HAR 10 10 30
Electric Cables (BASEC)
N.V. tot Keuring van Electro- KEMA-KEUR-HAR 10 30 30
technische Matarialien (KEMA)
Svenska Elecktriska (SMEKO) SEMKO-HAR 10 10 50
Osterreichnischer Verband fur OVE-HAR 30 10 50
Electrotechnik (OVE)
Danmarks Elektriske (DEMKO) DEMKO-HAR 30 10 30
Materielkontroll
Institute for Industrial (IIRS) IIRS-HAR 30 30 50
Research and Standards
Norges Elektriske (NEMKO) NEMKO-HAR 10 10 70
Materielkontroll
National Standards Authority NSAI-HAR 30 30 50
of Ireland (NSAI)
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