D-Link DFE-855 Manual de usuario
This guide provides basic information on the installation
and use of D-Link converter model DFE-855.
The D-Link DFE-855 100BASE-TX to Fiber Optic
100BASE-FX Converter represents the best value on the
market. The converter is IEEE 802.3u 100BASE-TX and
100BASE-FX compliant, mediates between a 100BASE-TX
segment and a 100BASE-FX segment, and supports both
full-duplex and half-duplex operation. The DFE-855
converter supports transmission distances of up to 2
kilometers in full-duplex mode (please refer to the section
entitled Connections and Communication Mode).
Diagnostic LEDs on the DFE-855 provide indication of
power, linkage and data reception.
Network Cables Supported
The connectors and network cables supported by the
converter are listed in the following table:
Connector Type of
Network
Network Cable
Supported
RJ-45
100BASE-TX Cat 5 Twisted-Pair
Fiber SC 100BASE-FX 1300nm
62.5/125, 50/125-um
Multimode fiber
Fiber Optic
Converter
• Conforms to the IEEE 802.3u 100BASE-TX and
100BASE-FX standards.
• 100Mbps data transfer rate.
• Supports transmission distances of up to 2 km
(full-duplex).
• One fiber optic SC connector and one RJ-45 connector.
(Refer to Appendix C: RJ-45 Pin Specifications.)
• LED indicators allow for visual verification of power,
linkage and data received.
• Operating temperature: 0 to 55 degrees Celsius.
• Storage Temperature: -25 to 55 degrees Celsius.
• Humidity: 5%- 90% (non-condensing)
• EMI Certification: CE, FCC A, VCCI A and C-Tick.
The DFE-855 converter features the following LED
indicators:
1. TX Link/Rx Indicator (green)
Steady green indicates that a valid link exists.
Flashing green indicates that the converter is
receiving data from the RJ-45 connector.
2. PWR Indicator(green)
Lights when power is on.
3. FX Link/Rx Indicator (green)
Steady green indicates that a valid link exists.
Flashing green indicates that the converter is
receiving data from the Fiber Optic connector.
Open the shipping carton and carefully remove all items. In
addition to this User's Guide, ascertain that you have:
• One DFE-855 Converter
• One DC power adapter (The specifications for this
adapter appear in Appendix A)
• AC Power Cord
In the event that you find any mismatched, damaged or
missing item, promptly contact your dealer for replacement
The figure below shows the basic connection scheme for the
DFE-855.
A network device (a server, workstation, router, switch)
with a 100BASE-TX port is connected to the DFE-855's
RJ-45 jack through a twisted-pair cable; a device with a
100BASE-FX port is connected to the DFE-855's SC jack
through a fiber-optic cable; and the supplied AC power
adapter is connected to the DFE-855's DC power jack. The
figure shows the maximum possible distance between the
two devices: 2,100 meters. Note that the network ports on
both devices must be explicitly set to full-duplex mode to
allow the use of a cable of up to 2,000 meters long on the
100BASE-FX side.
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Appendices:
Appendix A
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Appendix B
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Appendix C
RJ-45 Pin Specifications.
The following diagram and table show the
standard RJ-45 connector and their pin
assignments.
The standard RJ-45 connector
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Pinout descriptions for straight-through and
crossover cables are shown in the following
figures.
Offices
U.S.A. D-LINK SYSTEMS, INC.
5 Musick Irvine, CA 92618 USA
TEL: 1-714-455-1688 FAX: 1-714-455-2521
CANADA D-LINK CANADA, INC.
2180 Dunwin Drive, Unit # 6,
Mississauga Ontario, L5L 5M8, Canada
TEL: 1-905-828-0260 FAX: 1-905-828-5669
U.K. D-LINK (EUROPE) LTD.
D-Link House, 6 Garland Road, Stanmore, London HA7 1DP
TEL: 44-181-235-5555 FAX: 44-181-235-5500
GERMANY D-LINK (DEUTSCHLAND) GMBH I.G.
Bachstrae 22, 65830 Kriftel Germany
TEL: 49-6192-97110 FAX: 49-6192-971111
FRANCE D-LINK FRANCE
Le FLORILEGE #2, Allee de la Fresnerie
78330 Fontenay Le Fleury France
TEL: 33-1-3023-8688 FAX: 33-1-3023-8689
SWEDEN D-LINK A/B
World Trade Center P. O. Box 70396, 107 24 Stockholm
TEL: 46-8-700--6211 FAX: 46-8-219-640
DENMARK D-LINK DENMARK
Naverland 2 DK-2600 Glostrup Copenhagen, Denmark
TEL:45-43-969-040 FAX:45-43-424-347
SINGAPORE D-LINK SINGAPORE PTE.LTD.
77 Science Park Drive #03-03 CINTECH III,
Singapore Science Park Singapore 118256
EL : 65-774-6233 FAX: 65-774-6322
AUSTRALIA D-LINK AUSTRALIA PTY.LTD.
Unit 16, 390 Eastern Valley Way Roseville, NSW 2069
TEL: 61-2-9417-7100 FAX: 61-2-9417-1077
CHINA D-LINK BEIJING
15th Floor, Science & Technology Tower
11, Baishiqiao Road, Haidian District, Beijing 100081
TEL: 86-10-68467106-9 FAX: 86-10-68467110
JAPAN D-LINK TOKYO
10F, 8-8-15 Nishigotanda, Shinagawa-ku, Tokyo, 141
TEL: 81-3-5434-9678 FAX: 81-3-5434-9868
INDIA D-LINK (INDIA) PVT. LTD.
Bombay Office: Plot No.5, Kurla-Bandra Complex Rd.
Off Cst Rd., Santacruz (E) Bombay - 400 098 India
TEL: 91-22-6172478 FAX: 91-22-6172476
TAIWAN D-LINK TAIWAN
2F, No.233-2 Pao-Chiao Rd, Hsin-Tien, Taipei,
Taiwan, R.O.C.
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