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Model 0402

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Ethernet™ Pocket Hub™

1. INTRODUCTION

This guide is intended for the system or network administrator
responsible for installing and monitoring a TRANSITION Networks
0402 Ethernet Pocket Hub. A working knowledge of local area
network (LAN) operations, including familiarity with
communications protocols used on interconnected LANs, is
assumed.

The 0402 Ethernet Pocket Hub

The Model 0402 10BaseT 4-Port Ethernet Hub (E-TBT-HB-0402), is
a low cost Ethernet repeater. Designed to meet IEEE 802.3 10BaseT
standards, the 0402 Pocket Hub is a fully functional repeater in a
compact (4.80" X 2.77" X 0.95”) case. 

0402 Ethernet Pocket Hub Features

automatic link partitioning (jabber function isolates network
failures)

preamble regeneration 

automatic polarity detection and correction

Ethernet™
Pocket Hub™

4            3            2            1

Power

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E-TBT-0402

Link/Transmit

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T R A N S I T I O N

Mpls, MN 55344

The sole purpose of this remedy shall be provided the customer with the replacement or
repair of non-conforming goods in the manner described in this Warranty statement. This
exclusive remedy shall not be deemed to have failed of its essential purpose so long as TN is
willing and able to repair or replace the defective item(s) or refund the purchase price. 

TN reserves the right to inspect products claimed to be defective under warranty either at the
customer’s location or at TN’s plant. TN assumes no liability for liability charges incidental
to the adjustment, service, repairing, removal or replacement of the product, or other costs,
or the expense of repairs made outside of its factory, except when made with TN’s prior
written consent. Additionally, Transition Networks reserves the right to charge for all testing
and shipping incurred, if after testing, a return is classified as “No Problem Found”.

TN’s total liability in connection with the products and their installation to all persons and
from all causes in the aggregate, whether in contract, tort, or strict liability, shall not exceed
the amount paid to TN for the product directly related to the alleged damage. However, in
no event shall TN have any liability to a customer or any third party for products
manufactures according to the customer’s specifications.

C. Return Procedure
The customer must follow this procedure for the return of defective items:

1. Locate the serial number(s) of the item(s) to be returned.
2. Determine the date the item(s) was received.
3. Contact Transition Networks Technical Support to determine if the problem can be

corrected on site.

If not, and the product is covered by warranty, then:

• Call the distributor directly or contact TN.
• Request a Return Material Authorization (RMA).
• Ship the item, prepaid in original packaging to Transition Networks at the above

address.

• Include the RMA number on the outside of the carton and/or on the Packing List.
• Include a copy of the RMA form.
• Include a copy of the original invoice or packing list (if possible) to expedite

processing.

• The item(s) may be shipped by the customer or the distributor.
• Transition Networks will repair or replace the unit, at TN’s discretion, and cover the

cost of the return freight to the distributor or to the customer, whichever requested
the RMA number.

If the item(s) was received more than five years ago, or if the item(s) is no longer covered by
warranty 
for other reasons, then:

• Call the distributor or contact TN.
• Request a Material Repair Authorization number (MRA).
• Ship the item(s), prepaid, in the original packaging to Transition Networks at the

above address.

• Include the MRA number on the outside of the carton add/or on the Packing List.
• Include a copy of the MRA form.
• Include a copy of the original invoice or packing list (if possible) to expedite processing.
• Only the customer (end-user) may send the items(s) to TN.
• TN will contact the customer after the item(s) have been received, inspected, and a

cost estimate of the repair determined.

• The repair charges may be billed, with customer’s approval, though the distributor, or

on a prepaid or C.O.D. basis directly to the customer. The charges will include the
cost of shipping.

The return authorization numbers are valid only for 90 days from the date issued.

Summary of Contents for 402

Page 1: ...ysical Dimensions 4 80 X 2 77 X 0 95 122mm x 70mm x 24mm Input Power Power Supply Adapter AC Input TN PN Requirement Location 3518 120 volts 60 hertz 28 watts USA Canada Mexico 3516 230 volts 50 hertz 28 watts Europe 3514 100 volts 50 60 hertz 28 watts Japan 3517 240 volts 50 hertz 28 watts United Kingdom 3515 240 volts 50 hertz 28 watts Australia DC Output 9 volts at 500 mA maximum MTBF 43 000 ho...

Page 2: ...rstösst gegen die jeweligen einzelstaatlichen Gesetze zur Anwendung der Richtlinie 91 263 EWG zur Angleichung der Rechtsvorschriften der Mitgliedstaaten über Telekommunikationsendeinrichtungen einschliesslich der gegenseitigen Anerkennung ihrer Konformität 10Base2 Cable Specifications The physical characteristics of the 10Base2 cable must meet or exceed IEEE 802 3 10Base2 specifications Cable Char...

Page 3: ...ded Connector Legend 1 Logic Ref 6 Power Return 11 Logic Ref 2 Collision 7 N C 12 Receive 3 Transmit 8 Logic Ref 13 Power 4 Logic Ref 9 Collision 14 Logic Ref 5 Receive 10 Transmit 15 N C 10BaseFL Cable and Connector Specifications The physical characteristics of the 10BaseFL cable must meet or exceed IEEE 802 3 10BaseFL specifications 10BaseFL Cable Characteristics Fiber Optic Cable Recommended 6...

Page 4: ...ty shall not exceed the amount paid to TN for the product directly related to the alleged damage However in no event shall TN have any liability to a customer or any third party for products manufactures according to the customer s specifications C Return Procedure The customer must follow this procedure for the return of defective items 1 Locate the serial number s of the item s to be returned 2 ...

Page 5: ...THE ABOVE WARRANTY IS EXCLUSIVE AND EXTENDS ONLY TO PRODUCTS ASSEMBLED BY TRANSITION NETWORKS INC TO THE EXTENT PERMITTED BY LAW TN DOES NOT MAKE AND DISCLAIMS ALL OTHER WARRANTIES EXCEPT TITLE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF DESCRIPTION MERCHANTIBILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT AND ANY WARRANTY BASED UPON PRIOR WRITTEN OR ORAL REPRESENT...

Page 6: ...ed or configured Is the AUI cable unbroken and properly connected Are network interface cards properly configured Technical Support Contact For assistance in fault isolation and in maintaining the 0402 Pocket Hub contact Technical Support 800 260 1312 or your local distributor 0402 Ethernet Pocket Hub Connectors and Status LEDs RJ 45 Connectors Four 4 10BaseT RJ 45 jack connectors are located at o...

Page 7: ... The site for the 0402 Ethernet Repeater Hub must provide AC power outlet for each Hub Adequate ventilation Standard environmental conditions Isolation from electrical noise including radio transmitters and broadband amplifiers motors high power electrical lines or fluorescent light fixtures Additionally The twisted pair cables should not run in the same conduit with power line cables Phone lines ...

Page 8: ...necting Pocket Hubs the transmission path between any two Data Terminating Equipment DTE terminals can consist of no more than five segments To assign segment numbers to cable connections 1 Determine the two terminals in the network which are separated by the greatest number of segments 2 Assign a segment path between the terminals by labeling the cable connected to one of the terminals segment 1 ...

Page 9: ...at RJ 45 Plug Hub Hub RJ 45 Male RJ 45 Male 1 3 2 6 3 1 6 2 Connecting two Pocket Hubs Use a crossover cable to connect Pocket Hubs Use a straight through cable to connect Pocket Hub to terminal devices Connecting Pocket Hub to Terminal Devices Use a straight through cable to connect Pocket Hub to terminal devices Ethernet Pocket Hub n e t w o r k s T R A N S I T I O N Mpls MN 55344 Ethernet Pocke...

Page 10: ...eT Cable to Pocket Hub RJ 45 connectors 1 Locate or build 10BaseT cables with the following characteristics 803 2 compliant See page 14 correct straight through or crossover cable configuration for site installation See page 7 male RJ 45 plug connectors installed at both ends of cable 2 Connect male RJ 45 plug connector at one end of 10BaseT cable to Pocket Hub RJ 45 jack connector 3 Connect male ...

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