MEDIA CONVERTER TECHNICAL SPECIFICATIONS
Host Connection IBM® 317x or 327x Cluster Controller
Case dimensions 4.75" x 3.0" x 1.0" (119mm x 76mm x 25mm)
Shipping Weight 2 pounds (0.9 kilograms)
Environment Temperature: 0-50°C (32-122°F)
Humidity 10-90%, non condensing
Altitude 0-10,000 feet
Warranty Five years
Power Supply Requirements Replace power supply with only the equivalent
input rating (see below) and output rating (regulated 9VDC at 0.5 A).
TN PN Requirement Location
3525 240 volts, 50 hertz United Kingdom
3525 230 volts, 50 hertz Europe
3518 120 volts, 60 hertz USA/Canada/Mexico
3514 100 volts, 50-60 hertz Japan
3525 240 volts, 50 hertz Australia
NOTE: This product also can be powered by the Transition Networks E-MCR series media
converter rack.
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.
Compliance Information
UL Listed
C-UL Listed (Canada)
CISPR/EN55022 Class A
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.
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.
Copyright Restrictions
© 1998 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.
Trademark Notice
All registered trademarks and trademarks are the property of their respective owners. 33093.A
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.
The TRANSITION Networks 3270 Twisted Pair/Coax (Copper) to Fiber
B-CF-01series media converters, designed to support all
IBM
®
3270
compliant devices, extends the signal distance of a 317x or 327x Cluster
Controller
to terminal links.
B-CF-01 series media converters allow twisted-pair copper network extension
distances up to 1524 meters (762 meters each connection on two media
converters) OR coax copper network extension distances up to 614 meters
(307 meters each connection on two media converters) AND fiber network
extension distances up to 2 kilometers on multimode fiber and up to 8
kilometers on singlemode fiber.*
STATUS LEDS
Power Steady green LED
indicates connection to
external AC power.
UTP/STP Blinking green LED
- Coax indicates network traffic on unshielded or shielded twisted-pair
link OR on the coaxial cable.
Fiber Blinking green LED indicates network traffic on fiber link.
Minneapolis, MN 55344 USA
3270 Copper/Fiber Media Converter
B-CF-01, B-CF-01(SC), B-CF-01(SM)
USER’S GUIDE
10BASE-T
RX
TX
Fiber
UTP/STP
Power
- Coax
B-CF-01
Provides an RJ-45 twisted-pair
connector to copper cable, a
BNC connector to coaxial cable,
and a set of RX (receive) and TX
(transmit) ST connectors to
multimode fiber-optic cable.
B-CF-01(SC)
Provides an RJ-45 twisted-pair
connector to copper cable, a BNC
connector to coaxial cable, and an
RX (receive) and TX (transmit) SC
connector to multimode fiber-optic
cable.
B-CF-01(SM)
Provides an RJ-45 twisted-pair
connector to copper cable, a BNC
connector to coaxial cable, and an
RX (receive) and TX (transmit) SC
connector to singlemode fiber-optic
cable.
OR
*See note at top of pages 4 & 5.
Installation NOTES
To install the B-CF-01 series media converter:
1. Connect host signal to B-CF-01 media converter.
NOTE: Set the configuration switch (located on the side of the
media converter) according to site requirements, using the
following:
Switch 1 NOT USED
Switch 2 UP = Twisted Pair
DOWN = Coax
Twisted-pair:
• Locate or build twisted-pair cables (See specifications, page 7)
with male RJ-45 plug connectors at both cable ends.
NOTE: Install TRANSITION Networks balun part number: B-4554
between RJ-45 cable and coax connector.
• Install balun at host coax connector.
• Connect male RJ-45 plug connector at one end of twisted pair
cable to balun on host coax connector.
• Connect male RJ-45 plug connector at other end of cable to
female RJ-45 connector on B-CF-01 media converter.
Coax:
• Locate or build coaxial RG-62 cables (See specifications, page
7) with male BNC connectors at both ends.
• Install one end of cable to female BNC connector on host.
• Install other end of cable to female BNC connector on media
converter.
2. Connect B-CF-01 media converter near host to B-CF-01 media
converter near terminal device.
• Locate or build fiber cable that conforms to cable
specifications (See page 7) with male fiber connectors at both
ends.
• Connect one end of first fiber cable to B-CF-01 media converter
TX connector.
CABLE SPECIFICATIONS
The physical characteristics of the cable must meet or exceed the following:
FIBER CABLE
MULTIMODE
Fiber Optic Cable Recommended: 62.5 / 125 µm multimode fiber
Fiber Optic Transmitter Power: min: -19.0
dBm
max: -14.0 dBm
Fiber Optic Receiver Sensitivity: min: -32.5 dBm max: -14.0 dBm
Wavelength: 850nM
Bit error rate: ≤10
-9
Maximum Cable Distance: 2 kilometers
SINGLEMODE
Fiber Optic Cable Recommended: 9 µm singlemode fiber
Fiber Optic Transmitter Power: min: -27.0 dBm max: -17.0 dBm
Fiber Optic Receiver Sensitivity: min: -32.5 dBm max: -13.0 dBm
Wavelength: 1300nM
Bit error rate: ≤10
-9
Maximum Cable Distance: 8 kilometers
TWISTED PAIR CABLE AND CONNECTOR
Category 3 wire or better is required; category 5 wire is recommended. Either
shielded twisted pair (STP) or unshielded twisted pair (UTP) can be used. DO
NOT USE FLAT OR SILVER SATIN WIRE.
Category 3:
Gauge 24 to 22 AWG
Attenuation 28 dB/1000’ @ 10 MHz
Differential Characteristic Impedance 100 Ω ±10% @ 10 MHz
Category 5:
Gauge 24 to 22 AWG
Attenuation 20 dB/1000’ @ 10 MHz
Differential Characteristic Impedance 100 Ω ±10% @ 10 MHz
Minimum UTP/STP Cable Distance: 1.8 meters (6 feet)
Maximum UTP/STP Cable Distance: 762 meters (2500 feet)
RG-62 Cable
Cable Characteristics:
Cable type: Coaxial RG-62
Impedance: 93 Ω @ 10 MHz
Mutual Capacitance: 13 pF/ft ±20% @ 10 MHz
Maximum Cable Distance: 307 meters (1000 feet)
Minimum Distance/Connection: 1.8 meters (6 feet)
7
2
All cable connections to the B-CF-01 MUST be AT
LEAST 1.8 meters (6 feet) in length.
B-CF-01
3
4
5
6
RJ-45
connector
Straight Through Cable
3
4
5
6
RJ-45
connector
NOTE: The active pair in a twisted-pair
copper 3270-compliant network are pins 4
& 5. Use only dedicated wire pairs (such as
blue/white & white/blue, orange/white &
white/orange) for the active pins.
TROUBLESHOOTING SUGGESTIONS
If a Media Converter fails, ask the following questions:
1. Is the Power LED on the media converter illuminated?
NO
• Is the power adapter the proper voltage and cycle frequency
for the AC outlet? NOTE: Refer to the “Power Supply
Requirements” on the back page.
• Is the power adapter properly installed in the media converter
and in the outlet?
• Contact Technical Support: (800) 260-1312/(800) LANWANS.
YES
• Proceed to step 2.
2. Is the UTP/STP - Coax LED illuminated?
NO
Twisted-pair
• Check twisted-pair cables for proper connection.
• Check RJ-45 connector for correct twisted-pair cable
configuration.
• Check configuration switch for correct (twisted-pair) setting .
• Contact Technical Support: (800) 260-1312/(800) LANWANS.
Coax
• Check coax cables for proper connection.
• Check configuration switch for correct (coax) setting .
• Contact Technical Support: (800) 260-1312/(800) LANWANS.
YES
• Proceed to step 3.
3. Is the Fiber LED illuminated?
NO
• Check fiber cables for proper connection.
• Verify that TX and RX cables on media converter are
connected to RX and TX ports, respectively, on other device.
• Contact Technical Support: (800) 260-1312/(800) LANWANS.
YES
• Contact Technical Support: (800) 260-1312/(800) LANWANS.
• Connect other end of that fiber cable to
second B-CF-01 media converter RX connector.
• Connect one end of second fiber cable to B-CF-01 media
converter RX connector.
• Connect other end of that fiber cable to B-CF-01 media
converter TX connector.
3. Connect B-CF-01 media converter near terminal device to terminal
device.
Twisted-pair:
NOTE: Install TRANSITION Networks balun part number: B-4554
between RJ-45 cable and terminal device coax connector.
• Install balun at terminal device coax connector.
• Connect male RJ-45 plug connector on one end of cable to
female RJ-45 connector marked “UTP/STP” on media
converter.
• Connect male RJ-45 plug connector at other end of cable to
balun on terminal device.
Coaxial:
• Connect male coax connector on one end of cable to female
connector marked “Coax” on media converter.
• Connect male coax connector at other end of cable to female
coax connector on terminal device.
4. Connect B-CF-01 media converter(s) to power.
• Locate correct power supply adapter for site installation. (See
back page.)
• Connect media converter power connector at end of power
supply adapter cord to B-CF-01 media converter power
receptacle.
• Connect 2-prong or 3-prong external power connector on
other end of power supply adapter cord to external AC power.
3
6
B-CF-01
327x
or
317x
UTP/STP
Fiber
UTP/STP
Fiber
UTP/STP
Fiber
RJ-45 copper
connection at
terminal device
up to 307 meters
up to 762 meters
1
2
3
BNC connection to
terminal device
Multimode up to 2 kilometers
Singlemode up to 8 kilometers
Multimode up to 2 kilometers
Singlemode up to 8 kilometers
Multimode up to 2 kilometers
Singlemode up to 8 kilometers
up to 762 meters
up to 307 meters
up to 762 meters
BNC connection to
terminal device
up to 307 meters
IBM 3270 B-CF-01 series media converters can be installed:
In pairs that connect, through copper cable, RJ-45 connectors, and baluns AND
through fiber, an IBM
®
317x or 327x Cluster Controller and a 3270-compliant
terminal device.
In pairs that extend network distance, through twisted-pair copper cable, an RJ-45
connector and balun AND through fiber AND through coax cable to a 3270-
compliant
terminal device.
In pairs that connect, through coax cable and through fiber, an IBM® 317x or 327x
Cluster Controller and a 3270-compliant
terminal device.
MEDIA CONVERTERS in the NETWORK
B-CF-01
1
2
3
NOTE: DEVICES INSTALLED AT MAXIMUM DISTANCES MAY NOT
FUNCTION RELIABLY DUE TO LIMITATIONS IMPOSED BY HOST
TIME-OUTS AND/OR BY TERMINAL EQUIPMENT TIME-OUTS.
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