Fast Ethernet Fiber Card
DFE-550FX Fast Ethernet fiber card for fiber-optic connection of
desktop PCs.
Optical Fiber Fast Ethernet Card
The DFE-550FX is a high-performance Fast Ethernet card that connects your desktop PC to a reliable fiber network. The card
plugs into a PCI expansion slot inside your PC, transmits data at 100Mbps half duplex or 200Mbps full duplex. Supporting
advanced functions including traffic priority queues and VLAN, this card provides a secure environment to let you run
bandwidth-demanding applications, such as IP telephony and video conferencing.

Reliable Fiber Connection
The card then delays transmission until the switch is ready
The DFE-550FX card allows you to establish secure fiber
again to accept new data.
link for your PC. It can be used to set up a power
workstation or a server with a direct fiber connection to a
VLAN to Improve Performance and Security
Fast Ethernet switch. Capable of running at 200Mbps
The card supports IEEE 802.1Q multiple Virtual LAN,
full-duplex, this card serves well in a high electro-magnatic
allowing you to segment the network to smaller domains to
interference environment, providing a cable distance of up
improve performance and security. Dissemination of
to 2 km to the switch.
broadcast and unnecessary computer-to-computer packets
can be restricted to reduce extraneous traffic. The card
Wake-On-LAN Power Management
provides a VLAN table for the following functions: filtering
The card supports Advanced Configuration Power Interface
packets by recognizing VLAN Tags, stripping VLAN Tags
(ACPI) Wake-On-LAN (WOL), allows your computer to be
on receive, and inserting VLAN Tags on transmit.
powered ON/OFF from a remote place. Providing a great
utility for power management of the PC, this function allows
IEEE 802.1p Priority Queues Support
the administrator to send a wake-up signal to the computer
With packet prioritization capability, the card allows traffic
to initiate action at irregular times and from distant locations.
to be queued as critical and non-critical, permitting your
computer to run voice over IP, video-conference and
High Performance
multimedia applications where packets are delivered at
With 32-bit bus master operation, the card guarantees the
best-effort speeds.
highest performance. Bus master transfers data directly
between the card and the host at multi-megabits per second,
RPL and PXE Remote Boot Options
bypass the host CPU to alleviate its workload.
2 remote boot options are available for selection.
Administrators can choose to set up a security scheme for
Flow Control to Minimize Packet Loss
diskless workstations to boot from servers using (1) the
The card's embedded flow control provides a means to
traditional Remote Program Load (RPL) or (2) Intel's
protect against possible data loss during transmission on the
Pre-boot Execution Environment (PXE). Stations with boot
network. When connected to a Fast Ethernet switch that
ROMs installed on the on-board socket can boot O.S. from
supports flow control, the card receives signals from the
NetWare, NT and other servers to run applications
switch regarding buffer overrun during peak usage periods.
designated by the administrator.
Key Features
100Mbps Fast Ethernet fiber connection
IEEE 802.1Q VLAN support
32-bit PCI bus master operation
IEEE 802.1p priority tagging
Full/half duplex support
Runs Win95, 98, 2000, NT, NetWare, Linux
Wake-on-LAN (WOL) for power management
Optional boot ROM for remote program load from
IEEE 802.3x full-duplex flow control

Technical Specifications
Fast Ethernet Fiber Card
Network O.S. Support
- Microsoft Windows 95/95OSR2
- IEEE 802.3u 100BASE-FX Fast Ethernet
- Microsoft Windows 98/98SE/ME
- PCI local bus 2.2 specifications
- Microsoft Windows 2000/XP/server 2003
- IEEE 802.3x Flow Control
- Microsoft NT 3.51/4.0
- IEEE 802.1Q VLAN tagging
- NDIS 3 driver
- IEEE 802.1p priority tagging
- NDIS 4 driver
- Advanced Configuration and Power Interface (ACPI) v.1.0
- NDIS 5 driver
- Novell Netware ODI driver
- Novell Netware Server 4.1x
- Novell Netware Server 5.x
- Novell Netware Server 6.x
- Linux Kernel v.2.4.x
Network Data Transfer Rates
Remote Boot (Optional)
- 100Mbps (half-duplex)
Boot ROM Address
- 200Mbps (full-duplex)
Searched by system BIOS
Network Cable
Boot ROM Flash Memory
62.5/125 micron multimode fiber-optics
- RPL boot ROM: 2KB
(2km at full-duplex, 412m at half-duplex)
- PXE boot ROM: 2KB
Fiber Connector
Boot Servers Supported
- Novell RPL Boot ROM code
- NetWare 3.x, 4.x RPL server
Diagnostic LED Report
- Microsoft Windows NT 3.51, 4.x RPL server
- Link
- Intel PXE 2.0
- Activity (Tx/Rx)
- Full duplex
Cache Buffer
- 2K bit receive FIFO
- 2K bit transmit FIFO
ACN 052 202 838
Flow Control
- IEEE 802.3x flow control per for full duplex
- Back pressure in half duplex
Ordering Information
System Setup
Fast Ethernet Fiber Card
Allocated by system
100BASE-FX Fast Ethernet fiber
I/O Address
PCI card (SC connector)
Allocated by system
Boot ROMs
Full/half Duplex

RPL boot ROM
- Auto-detected upon connection to network device
- User-selectable through software
boot ROM
Environmental & Physical
Power Consumption
1.5 watts (maximum)
120 x 73 mm (4.73 x 2.88 inches)
120g (0.26 lb.)
Operating Temperature
0 - 50 C (32 - 122 F)
Storage Temperature
-25 - 55 C (-13 - 131 F)
10% - 90% non-condensing
Specifications subject to
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