Transition Networks FD-CD-01 Manuale utente
The TRANSITION Networks Ethernet™ CDDI to FDDI media converters connect CDDI
unshielded twisted pair cable to FDDI multimode OR to FDDI singlemode fiber-optic
cable. Media converter models are selected according to the fiber mode required at the
site. Both multimode fiber (FD-CD-01) and singlemode fiber (FD-CD-01(SM)) media
converters use a standard SC connector. Both media converters function in half-duplex
mode or, when connected to devices capable of full-duplex connectivity, in full-duplex
mode. An MDI/MDI-X switch allows straight-through twisted-pair cable to be used for
crossover CDDI connections.
Minneapolis, MN 55344 USA
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 B
FCC Regulations
This equipment has been tested and found to comply with the limits for a class B 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 B limits for radio noise for digital apparatus set out on
the radio interference regulations of the Canadian Department of Communications.
Copyright Restrictions
© 1997 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. 33025.B
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.
MEDIA CONVERTER TECHNICAL SPECIFICATIONS
Standards ANSI X3T12 FDDI
Case dimensions 4.7" x 3.0" x 1.0" (119mm x 76mm x 25mm)
Environment Temperature: 0-40°C (32° to 104° F )
Humidity 10-90%, non condensing
Altitude 0-10,000 feet
Warranty Lifetime
FDDI/CDDI Media Converters
FD-CD-01, FD-CD-01(SM)
USER’S GUIDE
FD-CD-01
MDI MDI-X
12V DC Input
UTP
Multimode Fiber
FD-CD-01
CDDI
FDDI
FDDI to CDDI
FD-CD-01(SM)
MDI MDI-X
12V DC Input
UTP
Singlemode Fiber
FD-CD-01(SM)
CDDI
FDDI
FDDI to CDDI
Singlemode
Status LEDs on the connector side of the media converters provide the following
information:
Power Supply Requirements Replace power supply with only the equivalent input
rating (see below) and output rating (regulated 12VDC @1.5 A).
TN PN Requirement Location
3507 240 volts, 50 hertz United Kingdom
3342 230 volts, 50 hertz Europe
3340 120 volts, 60 hertz USA/Canada/Mexico
3346 100 volts, 50-60 hertz Japan
3511 240 volts, 50 hertz Australia
3537 (with power cord: 3522) South Africa
NOTE: This product also can be powered by the Transition Networks E-MCR series media
converter rack.
FD-CD-01
Provides an RJ-45 twisted pair CDDI
connector and an RX (receive) and TX
(transmit) SC FDDI connector to multimode
fiber-optic cable.
FD-CD-01(SM)
Provides an RJ-45 twisted pair CDDI
connector and an RX (receive) and TX
(transmit) SC FDDI connector to singlemode
fiber-optic cable.
Power Illuminated green LED indicates connection to
external AC power.
SDF Signal Detect/Fiber: Steady green LED
indicates fiber port is connected to device.
SDC Signal Detect/Copper: Steady green LED
indicates RJ-45 port is connected to device.
RXC Receive/Copper: Flashing green LED indicates
packets are seen on RJ-45 port.
RXF Receive/Fiber: Flashing green LED indicates
packets are seen on fiber port.
10BASE-T
FDDI Connector
RX
TX
CDDI Connector
Fiber UTP/STP
Power
RXC
RXF
SDF
SDC
Power
RXC
RXF
SDF
SDC
NOTE: Since the FDDI/CDDI protocol passes a “token” across the entire FDDI/CDDI
ring, the RXC/RXF LEDs are continuously illuminated during normal operation.
MDI switch setting MDI-X switch setting
100 meters
100 meters
2 kilometers - multimode
20 kilometers - singlemode
Straight Through/Crossover Cable Requirements and Pin Specifications
The two active pairs in a CDDI
network are pins 1 & 2 and
pins 7 & 8. Use only dedicated
wire pairs (such as blue/white
& white/blue, orange/white &
white/orange) for the active
pins.
1
2
7
8
Twisted
Pair #1
Twisted
Pair #2
Straight Through Cable
1
2
7
8
Straight-through/crossover CDDI requirements are satisfied using
the MDI/MDI-X switch with straight-through cable.
CDDI cable connections between a
concentrator and the media converter require
the MDI/MDI-X switch to be set to MDI.
CDDI cable connections between the media
converter and a NIC require the switch to be
set to MDI-X
MDI MDI-X
12V DC Input
FD-CD-01
CDDI
FDDI
FDDI to CDDI
MDI-X
position MDI
position
Using small flatblade screwdriver
or similar tool and referring to
label at front of media converter,
set MDI/MDI-X switch position for
site installation.
CDDI Cable
1. Is the power LED on the media converter illuminated?
NO • Is the power adapter the proper type of voltage and cycle frequency for your 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 at (800) 260-1312/ (800) LAN-WANS.
YES • Proceed to step 2.
2. Is the CDDI Link LED illuminated?
NO • Check UTP cables for proper connection and pin assignment. (See above.)
• Contact Technical Support at (800) 260-1312/ (800) LAN-WANS.
YES • Proceed to step 3.
3. Is the fiber Link 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 the other FDDI device.
• Refer to Tech Tips available at: http://www.transition.com
• Contact Technical Support at (800) 260-1312/ (800) LAN-WANS.
YES • Contact Technical Support at (800) 260-1312/ (800) LAN-WANS.
Troubleshooting the Media Converter
Installation Notes The physical characteristics of the media cable must meet or exceed ANSI
X3T12 FDDI specifications.
ETHERNET CABLE SPECIFICATIONS
FDDI CABLE SPECIFICATIONS
SINGLEMODE
Fiber-optic Cable Recommended: 9 µm singlemode fiber
Fiber-optic Transmitter Power: min: -15.0 dBm max: -8.0 dBm
Fiber-optic Receiver Sensitivity: min: -32.5 dBm max: -8.0 dBm
Wavelength: 1300nM
Bit error rate: ≤10-9
Maximum Cable Distance: 20 kilometers
MULTIMODE
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: min: -19.0 dBm max: -14.0 dBm
Fiber-optic Receiver Sensitivity: min: -32.5 dBm max: -14.0 dBm
Wavelength: 1300nM
Bit error rate: ≤10-9
Maximum Cable Distance: 2 kilometers
CDDI CABLE SPECIFICATIONS
Category 5 wire or better is required. Either shielded twisted pair
(STP) or unshielded twisted pair (UTP) can be used. DO NOT USE
FLAT OR SILVER SATIN WIRE.
CATEGORY 5: Gauge 24 to 22 AWG
Attenuation 20 dB/1000’ @ 10 MHz
Impedance 100 Ω±10% @ 10 MHz
Maximum Cable Distance: 100 meters (330 feet)
•KEEP TWISTED PAIR RUNS AS SHORT AS POSSIBLE.
•Be certain that the CDDI MDI/MDI-X switch is set correctly for site installation.
• Connect the power supply cable to the media converter BEFORE connecting to the outlet.
• Install unit with PSU provided. (Output 12 VDC regulated, 350 mA).
• Install no more than two (2) media converters in series.
FD-CD-01, FD-CD-01(SM)
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