Thank you for choosing D-Link DFE-650, the value leader among
PC-Card Fast Ethernet adapters. This chapter provides a general
description of DFE-650 Series features, with a summary of features
at the end of the chapter. Installation instructions are given in
Chapter 2.
General Description
The D-Link DFE-650 Series Fast Ethernet PC Card i s a credit -card
sized Fast-Ethernet adapter for connecting a notebook PC to an
IEEE 802.3 or 802.3u Ethernet network. The notebook PC must be
equipped with a Type II or Type III PC Card slot .
The terms "PC Card" and "PC Card slot" are used
NOTE:
throughout this manual to refer to those objects as defined
in the Personal Computer Memory Card Industry Association (PCMCIA) standards.
The DFE-650 automatically detects the parameters of its Ethernet
environment, and automatically negotiates and determines its own
speed and duplex settings as required for maximum performance in
its environment.
Inside its compact PC-Card package, the D-Link DFE-650 holds an
Ethernet controller, network processing interface, 64 Kb RAM data
buffer, a 68-pin PC Card Standard front-end plug which connects to
the notebook PC, and a 15-pin back-end receptacle for connecting
DFE-650 Series Fast Ethernet PC Card User's Guide
the media coupler. The DFE-650 requires no pre-installation setup
simply insert its front end int o t he not e book PC's PC-Card slot.
––
The DFE-650 is supplied with a media coupler which plugs into the
back end (15-pin receptacle) of the DFE-650. The other end of the
media coupler has an RJ-45 receptacle which receives the network
cable. The media coupler features LED indications for linkage and
activity states, and for the speed and duplex settings.
About Fast Ethernet
Fast Ethernet is a network technology specified by IEEE Standard
802.3u. It extends the traditional 10Mbps (10 megabit/sec)
Ethernet technology to achieve 100Mbps (100 megabit/sec)
transmission and reception. Because Fast Ethernet retains the
traditional Ethernet CSMA/CD (Carrier Sense, Multiple Access,
Collision Detect) protocol, it remains wholly compatible with
10Mbps Ethernet while providing a tenfold increase in network
capacity.
The Fast Ethernet standard specifies three subtypes, corresponding
to three media types:
100Base-TX (using two twisted pairs in EIA 568 Category 5
UTP or STP cable)
100Base-T4 (using four twisted pairs in a Category 3,
Category 4, or Category 5 UTP cable)
100Base-FX (using two fiber-optic strands).
D-Link DFE-650 Series Fast Ethernet PC Cards offer half-duplex
100Base-TX operation (in Category 5 twisted-pair cable
environments). These products do not support 100Base-T4 or
100Base-FX operation. To provide for traditional 10Mbps Ethernet
operation in twisted-pair cable environments, the DFE-650 series
2
Introduction
DFE-650 Series Fast Ethernet PC Card User's Guide
also offers 10Mbps Ethernet operation, in full-duplex and halfduplex modes. Selection of the best operation mode in any given
installation is automatically governed by autonegotiation.
About Autonegotiation
The basic idea of autonegotiation can be understood by reflecting
for a moment on the familiar process of making a dialup connection
between two modems. You have probably heard some
gravelly−sounding exchanges between your local modem and a
modem at the other end of a telephone line. (These exchanges are
ordinarily played out through a speaker in your local modem). As
irritating as those few seconds of noise may be, they do let you
know that your modem and the remote modem are on the job,
preparing for your intended communication with the remote
computer.
The preparatory work of the two mode ms during those fe w seconds
before you see the “connect” message is to
negotiate
communication scheme which is supported by both modems, and
which is suitable for the quality of the telephone-line connection
between them. The parameters to be settled between the two
modems include best baud rate, compression method, and error
correction method. When the two modems have tested the phoneline quality and have switched to the combination of parameters
which will provide the best data communication, then you are given
the “ connect” message which signals the end of the inter-modem
negotiation and the beginning of your intended communication with
the remote computer.
the best data
Autonegotiation between devices within an Ethernet LAN is similar
in concept, but much briefer. The two devices involved in the
autonegotiation will be your DFE-650 Series PC Card and the hub
or switch through which it is connected into the LAN. (Switches
ordinarily provide autonegotiation functionality; hubs usually do
Introduction
3
DFE-650 Series Fast Ethernet PC Card User's Guide
not.) The parameters to be negotiated between the DFE-650 and its
supporting hub or switch include speed (100Mbps = Fast Ethernet,
or 10Mbps = traditional Ethernet) and duplex m ode (half-duplex or
full-duplex).
Startup communication between the two devices occurs when both
devices are operating, the cable connection between them is good,
and the connected notebook PC's network software is loaded. As
soon as those conditions are satisfied, the preparatory process of
autonegotiation between the DFE-650 and its supporting device
begins and proceeds automatically.
If the supporting hub or switch has autonegotiation functionality,
then it and the DFE-650 exchange a series of messages in which
each device signals its capabilities and listens for corresponding
information about the other. The autonegotiation process requires
only a few milliseconds, and the two devices select the best
communication parameters supported by both devices.
If the supporting device does not have autonegotiation
functionality, then its monotone (single capability) message will be
recognized by the DFE-650’s autonegotiation facility, and the DFE650 will simply switch to the one of its own capabilities which
matches that of the supporting device.
Once the autonegotiation is completed, then the line is ready, and it
will provide an optimal data channel between the DFE-650 and the
supporting device. The line will remain ready without further
autonegotiation action until the linkage is broken. Autonegotiation
then reoccurs at any time that the linkage is restored, again making
the line ready for optimal data communications.
4
Introduction
DFE-650 Series Fast Ethernet PC Card User's Guide
LED Indicators
The media coupler features three LED indicators:
1.10/100 Indicator
Steady green indicates Fast Ethernet selected.
Dark indicates 10Mbps Ethernet selected.
2.Half /Full Indicator
Steady green indicates Full-Duplex selected.
Dark indicates Half-Duplex selected.
3.Ln/Act Indicator
Steady green indicates that there is good linkage to the network
("Linkage" state, quiescent).
Flashing green indicates that the DFE-650 is transmitting or
receiving ("Activity" state). In 10Mbps mode, flashing will be
regular and periodic. In 100Mbps mode, flashing may be
irregular, with longer dark periods during heavy traffic activity.
Summary of Features
Features of Model DFE-650TX Fast Ethernet PC Card:
100Mbps and 10Mbps data rates in compliance with IEEE
•
802.3 Ethernet standa rds 100Base-TX and 10Ba se-T
Complies with PCMCIA V2.x, JEIDA V4.x, and 16-Bit PC
•
Card Standards
PC Card Standard 68-pin front-end connector
•
15-pin back-end connector for media coupler
•
Introduction
5
DFE-650 Series Fast Ethernet PC Card User's Guide
Built-in 64KB RAM data buffer
•
Full-Duplex capable in 10Mbps mode
•
Autonegotiation per IEEE 802.3u specification
•
No manual setup switches –– fully automatic configuration
•
Low power consumption (2 watts max.)
•
Electronics miniaturization by VLSI and surface-mount
•
fabrication technologies
Laser-welded stainless steel case
•
RJ-45 connector with auto-detection of network speed
•
Software support:
•
Install Program
Diagnostic Program
NDIS 2.0 for Banyan
NDIS 2.0 for IBM Lan Support/Services
NDIS 2.0 for IBM Wrap Server, Lan Server,
and Communication Manager 1.x
NDIS 2.0 for MicroSoft Lan Manager for DOS
NDIS 2.0 for MicroSoft Network Client 3.0
for DOS
NDIS 2.0 for WIN/TCP PathWay Access
SUN PC-NFS V5.0
NetWare Client32 for Windows 95
NetWare Client32 for DOS/Windows 3.1
NetWare Server 3.12
NetWare Server 4.x
6
Introduction
DFE-650 Series Fast Ethernet PC Card User's Guide
NetWare DOS ODI
NetWare Lite
Personal NetWare
Windows 95
Windows 95 OSR2
Windows NT 3.51
Windows NT 4.0
Packet Driver for NCSA
Packet Driver for FTP PC/TCP
Packet Driver for IPX
Packet Driver for Winsock
Introduction
7
Hardware Installation
g
Unpack and Inspect
2
NOTE:
Open the shipping carton and carefully remove all items. In
addition to this User's Guide, ascertain that you have:
•
•
•
•
Under ordinary circumstances, the DFE-650 Series Fast
Ether net PC Card w ill not be aff ected by static charge as
may be received through your body during handling of the
unit. In special circum-stances where you may carry an
extraordinarily high static charge, it is good practice to
reduce the charge by touching a ground before handling the
DFE-650.
One DFE-650 Series Fast Ethernet PC Card
One plastic storage bag for the PC Card
One media coupler
One D-Link DFE-650 Series Fast Ethernet PC Card Driver
diskette
Yellow arrow
on top side of
PC Card points
to front end plu
DF E -65 0 S eries
Fast Ethernet PC Card
Media Coupler
Triangle
cast into
plastic
marks top
side of plug
DFE-650 Series Fast Ethernet PC Card User's Guide
(s)
In the event that any item is missing, or if you find any mismatch or
damage, promptly contact your dealer for correction.
Hardware Installation
Follow these four steps to install the DFE-650 :
Step 1 Insert the DFE - 650
Under the PCMCIA standard and the corresponding Japanese
JEIDA standard, PC Cards may safely be "hot swapped" –– it is not
necessary to switch the computer's power off before installing or
removing the DFE-650, or any othe r PC Card.
Find/select an open Type II or Type III PC Card slot on your
notebook computer's side or rea r pa nel . Hold the DFE-650 with the
colorful D-Link splash label upward. Notice that the splash label
features a yellow triangle or "arrow," which points to the front end
of the PC Card. Insert the front e nd of the PC Card into the PC
Card slot, and slide the PC Card all the way into the slot until it
reaches a firm stop.
NOTE:
Hardware Installati on
Many notebook PCs feature a stacked pair of PC card slots,
logically (but not physically) designated as Slot 1 and Slot 2.
Type II or Type III
PC Card slot
D-Link color-splash
label facing up
9
DFE-650 Series Fast Ethernet PC Card User's Guide
It is most usual for the lower one of the two slots in the
stack to be designated Slot 1, but there are exceptions. In
the subsequent procedure for DFE-650 software
installation, it may be necessary for you to know whether
your DFE-650 is installed in Slot 1 or Slot 2. Under
Windows 95, you can check by opening the Control Panel /
PC Card display. Under DOS it is also possible to make a
software check, but it is more difficult. If you are unable to
determine the DFE-650's slot number in advance, then you
can make a trial-and-error determination later, according to
instructions given in the Software Installation section of this
chapter.
Step 2 Attach the Media Coupler
The back-end receptacle of the DFE-650 remains accessible
(approximately flush with the case of the computer) when the DFE650 is properly seated in its PC Card slot. Taking care to keep the
top side of the media coupler plug up, insert the plug into the DFE650's receptacle until it is firmly seated and latched. (The top side
of the plug is labeled with a triangle molded into the plastic.)
Keep the triang le mark on
top when you plug the media
coupler into the DFE-650
W hen the media coupler plug is firmly seated, it is held in
NOTE:
place by small latching hooks at either side of the plug. To
10
Hardware Installati on
DFE-650 Series Fast Ethernet PC Card User's Guide
avoid damage when detaching the plug from the DFE-650, it
is necessary to depress the latch wings of the plug. See
the following section, "Remove Ethernet PC Card."
Step 3 Connect to the Network Medium
Make the network connection by running a UTP cable from the
supporting hub to your media coupler. Simply plug one end (RJ-45
connector) of the cable into an available hub port, and plug the
other end (RJ-45 connector) into the RJ-45 socket of the media
coupler.
Ethernet / Fast
Ethernet Hub
Media Coupler
RJ-45 Connectors
UTP Cable
UTP cable connecting media coupler to the supporting hub
Hardware Installati on
11
DFE-650 Series Fast Ethernet PC Card User's Guide
Step 4 Confirm Connection (Ln/Act Indicator)
When the notebook computer's power is ON, the DFE-650 is firmly
seated in the slot connector, the media adapter plug is firmly
engaged (and latched) in the back-end receptacle of the DFE-650,
the media adapter has a good cable connection to the supporting
hub, and the supporting hub is power on and functioning properly,
then the media coupler’s Ln/Act LED glows steady green
("linkage" state).
If the Ln/Act LED remains dark without apparent cause, then the
most likely fault is poor engagement of the 68-pin front-end plug.
Review the following section titled "Remove the DFE-650," then
remove the DFE-650 from its slot. Repeat the procedures of the
above Step 1, "Insert the DFE-650," t aking care to ensure that the
DFE-650 is right side up and front-end first, and that it seats firmly
in a suitable PC Card slot of your notebook. Repeat procedures of
Steps 2 and 3 as necessary get the Ln/Act LED confirmation.
NOTE:
You might need to wait a few seconds following notebook
powerup, or following insertion of a PC Card, for the
software processing to be completed. The Ln/Act indicator
will rem ain dark until t he soft wa re processing is completed.
Remove the PC Card
Follow these two steps to remove the DFE-650 it s slot:
Step 1 Disconnect the Media Coupler Plug from the DFE-650
Unplug the media coupler from the DFE-650 before ejecting the
DFE-650 from the PC Card slot. The me dia couple r plug is held in
place by small latching hooks at either side of the plug. To remove
the media coupler plug from the DFE-650, it is necessary to unlatch
the hooks by depressing the two small latch wings of the plug. Use
12
Hardware Installati on
DFE-650 Series Fast Ethernet PC Card User's Guide
thumb and forefinger to squeeze the latch wings into the plug body
and gently pull the plug out of its receptacle.
Don't pull the connector without depressing the clip wings
WARNING:
Pulling the coupler plug out of its receptacle without
depressing the clip wings will cause d amage to t he plug.
Hardware Installati on
13
DFE-650 Series Fast Ethernet PC Card User's Guide
Step 2 Eject t he DFE-650 fro m t he Computer
Firmly press the computer's PC Card Eject button to disengage the
DFE-650 from the slot connector. The DFE-650 will then protrude
from the PC Card slot. Grip its protruding end bet ween your fingers
and withdraw it from the PC Card slot.
Connect the Network Cable
Category 5 UTP cable is good enough to qualify under both the
Fast Ethernet cabling rules and the traditional Ethernet cabling
rules. The maximum individual cable run between any station and
its supporting hub or switch is 100m. The maximum individual
cable run joining two hubs is 10m in general, but is 100m when
both hubs qualify as Ethernet Class 2 Repeaters (
Ethernet hubs do qualify). But these cable runs may need to be
shorter than the given individual maximum lengths, because their
lengths are also restricted by the rule that the maximum
cable run between any two stations is 205m.
Connecting for Fast Ethernet
D-Link
all
aggregated
Category 5 UTP cable is required for Fast Ethernet operation. The
maximum cable run between the DFE-650 and the supporting hub
is 300 ft. The cable must be “straight” (not a “ crossover” cable),
with an RJ-45 plug at each end. Make the network connection by
plugging one end of the cable into the RJ-45 receptacle of the
media coupler, and t he othe r e nd int o a port of t he supporting hub.
Connecting for 10Mbps Ethernet
Category 3, Category 4, and Category 5 UTP cable, as well as
EIA/TIA - 568 100-ohm STP cable, all qualify under traditional
Ethernet cabli ng rules. The maximum c able run between the DFE-
14
Hardware Installati on
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