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
100BASE-TX network are pins
1 & 2 and pins 3 & 6. Use only
dedicated wire pairs (such as
blue/white & white/blue,
orange/white & white/orange)
for the active pins.
1
2
3
6
Twisted
Pair #1
Twisted
Pair #2
Straight Through Cable
1
2
3
6
Straight-through/crossover 100BASE-TX requirements are satisfied
using the MDI/MDI-X switch with straight-through cable.
100BASE-TX cable connections between a hub and the media
converter require the MDI/MDI-X switch to be set to MDI.
100BASE-TX cable connections between the media converter and a
terminal, transceiver or NIC require the switch to be set to MDI-X.
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.
100BASE-TX 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 100BASE-TX 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 100BASE-FX 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 IEEE
802.3u 100BASE-TX and 100BASE-FX specifications.
ETHERNET CABLE SPECIFICATIONS
100BASE-FX 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
100BASE-TX 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)
•
DO NOT CONNECT MEDIA CONVERTERS BETWEEN HUBS.
•
When connecting to 10Mb/s-100Mb/s device, MANUALLY SET 10Mb/s-100Mb/s SWITCH to 100Mb/s.
•
KEEP TWISTED PAIR RUNS AS SHORT AS POSSIBLE.
•
Be certain that the 100BASE-TX 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.
E-100BTX-FRL-03, E-100BTX-FRL-03(SC), E-100BTX-FRL-03(SM)
toward ne
Leave in default posit
