User’s Guide
J/E-CX-TBT-01
Stand-Alone Media Converter
• Coax to Twisted-Pair
• 10Base-2 to 10Base-T
The Transition Networks J/E-CX-TBT-01
Ethernet media converter connects
10Base-T shielded or unshielded
twisted-pair copper cable to 10Base-2
coaxial copper cable.
The J/E-CX-TBT-01 supports up to 24
devices daisy-chained on one coax
segment per twisted-pair segment.
Part Number
J/E-CX-TBT-01
Port One - Twisted-Pair
RJ-45, 10Base-T
100 m (328 ft)*
Port Two - Coax
BNC, 10Base-2
185 m (610 ft)*
* Typical maximum cable distance. The actual maximum cable distances are
dependent upon the physical characteristics of the network installation.
Installation . . . . . . . . . . . . . . . . . .2
Operation . . . . . . . . . . . . . . . . . . .3
Cable Specifications . . . . . . . . . . .4
Troubleshooting . . . . . . . . . . . . . .5
Technical Specifications . . . . . . . .6
Contact Us . . . . . . . . . . . . . . . . . .7
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J/E-CX-TBT-01
Cable Specifications
10Base-2 Cable
Technical Specifications
For use with Transition Networks Model J/E-CX-TBT-01 or equivalent
Standards
Dimensions
Weight
IEEE 802.3™
Cable type:
Impedance:
Stranded Coaxial RG-58
50 Ω
185 m (610 ft.)
0.5 m (1.6 ft.)
0.5 m intervals
1" x 3" x 4" (26 mm x 76 mm x 102 mm)
6 oz (181 g) (approximate)
10 Mb/s (half-duplex mode)
Maximum cable distance:
Minimum cable distance:
Device placement along segment
Max length of any single series path 3 segments and 2 links
Maximum number of connections 30
Data Rate
Power Supply
100-240 VAC 50/60 Hz
1.0 A @ 5 VDC (North America, Europe, Japan)
2.0 A @ 5 VDC (New Zealand, Australia, South Africa)
(The external power supply provided with this product
is UL listed by the power supply’s manufacturer.)
10Base-T Cable
Category 3: (minimum requirement)
Gauge
Attenuation
MTBF
49,000 hours (MIL217F2 V5.0) (MIL-HDBK-217F)
129,000 hours (Bellcore7 V5.0)
24 to 22 AWG
11.5 dB/100m @ 5-10 MHz
100 m (328 ft)
Environment
Tmra*:
0 to 50°C (32 to 122° F )
Maximum cable distance:
Storage Temperature: -20 to 85°C (-4 to 185° F )
Category 5: (recommended)
Gauge
Attenuation
Humidity
Altitude
10 to 90%, non condensing
0 to 10,000 feet
24 to 22 AWG
22.0 dB/100m @ 100 MHz
100 m (328 ft)
Warranty
Lifetime
Maximum cable distance:
*Manufacturer’s rated ambient temperature.
• Shielded (STP) or unshielded (UTP) twisted-pair cable may be used.
• Pins 1&2 and 3&6 are the two active pairs in an Ethernet network .
• RJ-45 Pin-out: Pin 1 = TD+, Pin 2 = TD-, Pin 3 = RD+, Pin 6 = RD-
• Use only dedicated wire pairs for the active pins:
(e.g., blue/white & white/blue, orange/white & white/orange, etc.)
• Do not use flat or silver satin wire.
Straight-Through Cable
Crossover Cable
1
2
1
2
1
2
1
2
Twisted Pair #1
Twisted Pair #2
Twisted Pair #1
Twisted Pair #2
3
6
3
6
3
6
3
6
Use straight-through cable
when connecting to a terminal,
transceiver, router, or NIC.
Use crossover cable when
connecting to a hub or a
switch.
24-hour Technical Support: 1-800-260-1312 -- International: 00-1-952-941-7600
4
5
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J/E-CX-TBT-01
Troubleshooting
If the media converter fails, isolate and correct the fault by determining the
answers to the following questions and then taking the indicated action:
Contact Us
Technical Support
Technical support is available 24 hours a day.
US and Canada:
International:
1-800-260-1312
00-1-952-941-7600
1.
Is the PWR LED on the media converter illuminated?
NO
•
Is the power cord properly installed in the media converter and at the
external power source?
Transition Now
Chat live via the Web with Transition Networks Technical Support.
•
•
Does the external power source provide power?
Contact Technical Support. US/Canada: 1-800-260-1312,
International: 00-1-952-941-7600.
Web-Based Seminars
YES
•
Transition Networks provides seminars via live web-based training.
Proceed to step 2.
2.
Is the TX LNK/ACT LED on the media converter illuminated OR
flashing?
E-Mail
Ask a question anytime by sending an e-mail to our technical support staff.
NO
•
•
Check twisted-pair 10Base-T cables for proper connection.
Verify that 10Base-T cable is correct (straight-through or crossover)
configuration for site installation (see page 4).
Contact Technical Support. US/Canada: 1-800-260-1312,
International: 00-1-952-941-7600.
Address
Transition Networks
6475 City West Parkway
Minneapolis, MN 55344, USA
•
telephone:
toll free:
fax:
952-941-7600
800-526-9267
952-941-2322
YES
•
Proceed to step 3.
3.
Is the TX LNK/ACT LED on the media converter illuminated BUT
NOT flashing?
NO
•
Disconnect and reconnect the cable to restart the initialization
process.
•
•
Restart the workstation to restart the initialization process.
Contact Technical Support. US/Canada: 1-800-260-1312,
International: 00-1-952-941-7600.
YES
•
Proceed to step 4.
4.
Is the BNC ACT LED on the media converter illuminated?
NO
Declaration of Conformity
•
•
Check 10Base-2 cables for proper connection.
Verify that 10Base-2 cable connections on media converter and on
attached device are terminated properly.
Disconnect and reconnect the cable to restart the initialization
process.
Restart the workstation to restart the initialization process.
Contact Technical Support. US/Canada: 1-800-260-1312,
International: 00-1-952-941-7600.
Name of Mfg:
Transition Networks
6475 City West Parkway, Minneapolis MN 55344 USA
J/E-CX-TBT-01 Series Media Converters
J/E-CX-TBT-01
EMC Directive 89/336/EEC
Model:
Part Number(s):
Regulation:
•
Purpose: To declare that the J/E-CX-TBT-01 to which this declaration refers is in
conformity with the following standards.
•
•
CISPR 22:1993; EN 55022:1998 Class A; FCC part 15 subpart B
I, the undersigned, hereby declare that the equipment specified above conforms to the above
Directive(s) and Standard(s).
YES
•
Contact Technical Support. US/Canada: 1-800-260-1312,
International: 00-1-952-941-7600.
March 16, 2001
Stephen Anderson, Vice-President of Engineering
Date
24-hour Technical Support: 1-800-260-1312 -- International: 00-1-952-941-7600
6
7
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Compliance Information
CISPR22/EN55022 Class A
CE Mark
FCC Regulations
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 installed and 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 the user's own expense.
Canadian Regulations
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.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la Class A prescrites dans le Règlement sur le
brouillage radioélectrique édicté par le ministère des Communications du Canada.
European Regulations
Warning This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
Achtung! Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können
bei Betrieb dieses Gerätes Rundfunkstörungen auftreten. In diesem Fäll ist der Benutzer für
Gegenmaßnahmen verantwortlich.
Attention! Ceci est un produit de Classe A. Dans un environment domestique, ce produit
risque de créer des interférences radioélectriques, il appartiendra alors à l'utilsateur de
prende les measures spécifiques appropriées.
CAUTION: RJ connectors are NOT INTENDED FOR CONNECTION TO THE
PUBLIC TELEPHONE NETWORK. Failure to observe this caution could result in
damage to the public telephone network.
Der Anschluss dieses Gerätes an ein öffentlickes Telekommunikationsnetz in den EG-
Mitgliedstaaten verstösst 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.
Trademark Notice
All registered trademarks and trademarks are the property of their respective owners.
Copyright Restrictions
© 2001, 2004-2005 Transition Networks. All rights reserved. No part of this work may be
reproduced or used in any form or by any means - graphic, electronic, or mechanical -
without written permission from Transition Networks.
Printed in the U.S.A.
33231.D
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