Transition Networks FD-CD-01 Leaflet
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.
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
Pair #1
Twisted
Pair #2
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.
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.
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
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.
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.
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.
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.
X3T12 FDDI specifications.
ETHERNET CABLE SPECIFICATIONS
FDDI CABLE SPECIFICATIONS
SINGLEMODE
Fiber-optic Cable Recommended:
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:
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
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 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)