MEDIA CONVERTER TECHNICAL SPECIFICATIONS
Standards ANSI/ATA 878
Case dimensions 4.75" x 3.0" x 1.0" (119mm x 76mm x 25mm)
Shipping Weight 2 pounds (0.9 kilograms)
Environment Temperature: 0-40°C (32° to 104° 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
© 1999 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. 33053.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 ARCNET®RJ-11 Copper/Fiber Media Converter
(AR-CF-01) extends the signal distance of an ARCNET
®
segment or node
link.
AR-CF-01 series media converters _________________
STATUS LEDS
Power Steady green LED
indicates connection
to external AC power.
UTP/STP Blinking green LED
indicates network
traffic on unshielded or shielded twisted-pair link.
Fiber Blinking green LED indicates network traffic on fiber link.
Minneapolis, MN 55344 USA
ARCNET®RJ-11 Copper/Fiber Media Converter
AR-CF-01, AR-CF-01(SC), AR-CF-01(SM)
USER’S GUIDE
10BASE-T
RX
TX
Fiber
Power
UTP/STP
AR-CF-01
Provides an RJ-11
twisted-pair connector to
copper cable and a set of
RX (receive) and TX
(transmit) ST connectors
to multimode fiber-optic
cable.
AR-CF-01(SC)
Provides an RJ-11 twisted-pair
connector to copper cable and an
RX (receive) and TX (transmit) SC
connector to multimode fiber-optic
cable.
AR-CF-01(SM)
Provides an RJ-11 twisted-pair
connector to copper cable and an
RX (receive) ST and TX (transmit)
SC connector to singlemode fiber-
optic cable.
AR-CF-01
ArcNet
Fiber to Twisted Pair
Media Converter
®
Installation NOTES
To install the AR-CF-01 series media converter:
1. Connect host signal to AR-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-11 plug connectors at both cable ends.
NOTE: Install TRANSITION Networks balun part number: B-4554
between RJ-11 cable and coax connector.
• Install balun at host coax connector.
• Connect male RJ-11 plug connector at one end of twisted pair
cable to balun on host coax connector.
• Connect male RJ-11 plug connector at other end of cable to
female RJ-11 connector on AR-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 AR-CF-01 media converter near host to AR-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.
CABLE SPECIFICATIONS
The physical characteristics of the cable must meet or exceed the following:
FIBER CABLE AND CONNECTOR SPECIFICATIONS
Cable Characteristics:
Fiber Optic Cable Recommended: 62.5 / 125 µm multimode fiber
Optional: 100 / 140 µm multimode fiber
85 / 125 µm multimode fiber
50 / 125 µm multimode fiber
Fiber Optic Transmitter Power: Average power: -15.0 dBm
Peak power:-12.0 dBm ±1dBm
Fiber Optic Receiver Sensitivity: Maximum sensitivity: -27.4 dBm
Bit error rate: ≤10
-10
Maximum Fiber Cable Distance: 3000 meters (10,000 feet)
Connector Characteristics:
ST type connectors (SMA type
available upon request)
TWISTED PAIR CABLE AND CONNECTOR SPECIFICATIONS
Cable Characteristics:
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: 7.6 meters (25 feet)
Maximum UTP/STP Cable Distance: 762 meters (2500 feet)
Connector Characteristics:
RJ-11 connector
7
2
All cable connections to the AR-CF-01 MUST be
AT LEAST 7.6 meters (25 feet) in length.
AR-CF-01
2
3
4
5
RJ-11
connector
Straight Through Cable
2
3
4
5
RJ-11
connector
NOTE: The active pair in a twisted-pair
copper ARCNET
®
-compliant network are pins
3 & 4. 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 LED illuminated?
NO
• Check twisted pair cables for proper connection.
• Check RJ-11 connector for correct twisted pair cable
configuration.
• 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 one end of first fiber cable to ARCF-01 media converter TX connector.
• Connect other end of that fiber cable to second AR-CF-01
media converter RX connector.
• Connect one end of second fiber cable to AR-CF-01 media
converter RX connector.
• Connect other end of that fiber cable to AR-CF-01 media
converter TX connector.
3. Connect AR-CF-01 media converter near terminal device to terminal
device.
Twisted-pair:
NOTE: Install TRANSITION Networks balun part number: B-4554
between RJ-11 cable and terminal device coax connector.
• Install balun at terminal device coax connector.
• Connect male RJ-11 plug connector on one end of cable to
female RJ-11 connector marked “UTP/STP” on media
converter.
• Connect male RJ-11 plug connector at other end of cable to
balun on terminal device.
Coaxial:
• Connect male coax connector on one end of cable to female
RJ-11 connector marked “Coax” on media converter.
• Connect male coax connector at other end of cable to female
coax connector on terminal device.
4. Connect AR-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 AR-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
AR-CF-01
UTP/STP
Fiber
UTP/STP
Fiber
up to 762 meters
up to 762 meters
up to 762 meters
1
2
Multimode up to 2 kilometers
Singlemode up to 8 kilometers
Multimode up to 2 kilometers
Singlemode up to 8 kilometers
up to 762 meters
ARCNET
controller
®
ARCNET
controller
®
UTP/STP connection
to ARCNET controller
®
UTP/STP connection
to ARCNET controller
®
UTP/STP connection to
daisy-chained terminal
devices
AR-CF-01 series media converters can be installed:
In pairs with the copper cable connected through RJ-11 connectors
on the hub front to a PowerStar™ III or PowerStar™ IV hub to
extend the network distance up to 3500 meters
In pairs with the copper cable connected, through a balun, to the
Twinax connector at the back of a PowerStar™ III hub or to a
PowerStar™ IV hub that has an installed Twinax SIC card to
extend the network distance up to 3500 meters.
MEDIA CONVERTERS in the NETWORK
AR-CF-01
1
2
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