WirelessLAN(5GHz)
FLEXLAN-DS540 Series AccessPoint
FX-DS540-AP
FX-DS540-APP
User’s Manual
CONTEC CO.,LTD.
Check Your Package
Thank you for purchasing the CONTEC product.
The items making up the FX-DS540-AP and FX-DS540-APP packages are different.
The product consists of the items listed below.
Check, with the following list, that y our package is complete. I f you discover damaged or missing it ems,
contact your retailer.
Product Configuration List <FX-DS540-AP>
- Main unit (FX-DS540-AP), CF card (Used to start up the system. Already plugged)…1
-
Antenna (The dipole ante nn as tha t att ac h to th e FX -DS540-AP)
- Antenna connector cover (Cover for the connector of the antenna)…2
- Spacer (Used when the main unit is installed, for example, on a wall)…4
- Installation diagram (Used when the main unit is installed)…1
-
Magnet (for mounting on metallic surfaces)
- CF card
(
Used to prevent
Clip
…1
CF card
falling out when inserte d in the FX-DS540-AP.
…4
- Front seal (for dust ingress protection)…1
(The CF1 slot can be used if it is difficult to use the bundled CF card in the CF 2 slot for mai ntenance
reasons.)
- External-toothed screw (Used for grounding via the ground terminal)…1
- This User’s Manual (this booklet)…1
…2
)
Antenna connec t or
Front seal
Externaltoothed
screw
cover x 2
FX-DS540-AP
Installation
diagram
Installation
diagram
Antenna x 2
User's Manual
User's Manual
Spacer x 4
Magnet x 4
CF card Clip
FX-DS540-AP, FX-DS540-APPi
Product Configuration List <FX-DS540-APP>
- Main unit (FX-DS540-APP), CF card (Used to start up the system. Already plugged)…1
-
Antenna (The dipole ante nn as tha t att ac h to the FX -DS540-APP)
…2
- Antenna connector cover (Cover for the connector of the antenna)…2
- Spacer (Used when the main unit is installed, for example, on a wall)…4
- Installation diagram (Used when the main unit is installed)…1
-
Magnet (for mounting on metallic surfaces)
- CF card
(
Used to prevent
Clip
…1
CF card
falling out when inserte d in the FX-DS540-APP
…4
)
- Front seal (for dust ingress protection)…1
(The CF1 slot can be used if it is difficult to use the bundled CF card in the CF 2 slot for mai ntenance
reasons.)
- External-toothed screw (Used for grounding via the ground terminal)…1
- clump…1
- Cable Tie…1
- AC Adoptor…1
- This User’s Manual (this booklet)…1
FX-DS540-APP
AC Adoptor
Front seal
Externaltoothed
screw
Antenna x 2
Installation
diagram
Installation
diagram
Antenna connector
cover x 2
Spacer x 4
User's Manual
User's Manual
Magnet x 4
CF card Clip
Clump
Cable Tie x 2
iiFX-DS540-AP, FX-DS540-APP
Copyright
Copyright 2003 CONTEC CO., LTD. ALL RIGHTS RESERVED
No part of this document may be copied or reproduced in any form by any means without prior written
consent of CONTEC CO., LTD.
CONTEC CO., LTD. makes no commitment to update or keep current the information contained in this
document. The information in this document is subject to change without notice.
All relevant issues have been considered in the preparation of this document. Should you notice an
omission or any questionable item in this document, please feel free to notify CONTEC CO., LTD.
Regardless of the foregoing statement, CONTEC assumes no responsibility for any errors that may
appear in this document no r for re sult s obt ain ed by th e use r as a resu lt of usi ng th is produ ct .
Trademarks
FLEXLAN is a registered trademark of CONTEC CO., LTD.
MS, Microsoft, Windows, Windows NT, and MS-DOS are registered trademarks or trademarks of
Microsoft Corporation in the U.S.A. and other countries.
Netscape Navigator is a registered trademark of Netscape Communications.
Other names of companies and products used in this document trademarks or registered trademarks of
Safety Precau t ion s............................................................................................................. .................. 8
Safety Infor mat i on ....................................................................................................................... 8
Precautions for Use...................................................................................................................... 8
Precautions R el a ted to E l ect romagnetic Inte rf e ren c e .................................................................8
Precautions R el a te d to Se rv ic e .................................................................................................... 8
Handling Pre ca u tio n s................................................................................................................... 9
This chapter provides information you should know before using the FX-DS540-AP/APP.
About the FX-DS540-AP/APP
The FX-DS540-AP/APP is a wireless LAN PC Card using OFDM (Orthogonal Frequency Division
Multiplexing) in the 5 GHz band. It conforms to t he wireless LAN sta ndard speci fication IE EE 802.11a.
The FX-D540-AP/APP enables high-speed communication at up to 54 Mbps when used in combination
with the FX-DS540-PCC/PCC2, the PC card model in the FX-DS540 series.
The FX-DS540-AP and FX-DS540-APP are functionally equivalent to each other.
The FX-D540 series is an IEEE 802.11a compliant, high-speed wireless LAN series providing a
maximum transmission speed of 54 Mbps and rob ust security while inheri ting the unique fea tures highly
evaluated mainly by business users such as IP tunneling and roaming. It not only meets the needs for
faster transmission speeds of wireless LANs but also provides a new environment of a wireless LAN
network, for example, by letting the 54 Mbps wireless LAN and 11 Mbps wireless LAN coexist
seamlessly.
The FX-D540-AP is powered from a wall outlet ( 100 VAC) . It can al so be powere d via a ne twor k cabl e
when using the UTP cable power separator unit POW-SP20 and th e power supply un it POW-CB20 o r
POW-CBM44.
The FX-DS540-APP can be powered via a netw ork cab le when using the power supply unit POW-CB20
or POW-CBM4. It can also be powered from a wall outlet (100 VAC) through the AC adapter.
This document explains how to use the FX-DS540- AP/APP. Be sure to read it carefully so that you can
use the product correctly.
The FLEXLAN DS540 series employs a wireless LAN chip manufactured by Atheros Communications Inc. The main
board, firmware, and enhancements are developed by CONTEC based on its abundant experience and technical skills
in LAN.
Features
-High-speed link at 54 Mbps max, providing throughput more than five times higher than that of the 11
Mbps wireless LAN.
-With the 11 Mbps compact flash wireless card FX-Ds110-CFC (separately available) plugged, the
FX-DS540-AP/APP can serve as a dual-band access point that accommodates the CONTEC
FLEXLAN DS100 series and 11 Mbps wireless LAN devices in the 2.4 GHz band as well.
-High-speed RISC chip integrated, providing processing speed four times faster than that of the
CONTEC’s conventional product, getting the full benefit of the high-speed pr ocessi ng capability of
a 54 Mbps wireless LAN, and enabling smooth operation free of stress even in dual-band mode.
-A single unit of FX-DS540-AP/APP accepts log-in from up to 254 stations.
In dual-band mode (with the FX-DS110-CFC plugged), simultaneous log-in is accepted from up to
254 stations in the 5 GHz band and from up to 254 statio ns in th e 2.4 GHz ban d .
-Provided with a dipole diversity antenna immune to multipath interference, providing a wireless
communication coverage of about 30 m at 54 Mbps or about 100 m at 6 Mbps. (The coverage
depends on the environment.)
FX-DS540-AP, FX-DS540-APP1
1. Before Using the Product
-Easy configuration and management using a WWW browser. Assorted maintenance methods are
avai lable to dif ferent systems and a pplications, i ncluding the termin al, FT P com m a nds, TELN ET,
and CF card.
-IP tunneling feature integrated (*1), enabling communication even at a roaming destination beyond
the router without making any changes to network configuration.
-SNMP agent feature integrated (*1), enabling network management using SNMP supported
network management softw are (suc h as CONTEC S N MPc). MIBII and private MIB are supporte d.
-Firmware storage CF card (32 MB) bundled, all owing log and c onfigurati on information to be saved
to and restored from and firmware to be updated collectively.
*1 IP tunneling will be supported in th e ne ar fu ture .
The latest versions of software including firmware can be downloaded from the CONTEC’s web site
(http://www.contec.co.jp/eu/)
2FX-DS540-AP, FX-DS540-APP
1. Before Using the Product
Outline of the FLEXLAN-DS540 series
The FLEXLAN DS540 series is a wireless LAN P C Card adopti ng OFDM in the 5 GH z b and, which has
the following features.
Features of the FLEXLAN-DS540 ser ie s
IEEE 802.11a compliant, 5 GHz band wireless LAN
The FLEXLAN DS540 series conforms to the new wireless LAN standard specification “IEEE 802.11a”
that applies to the OFDM encoding scheme in the 5 GHz band with less radio interference. The 5 GH
band wireless LAN provides a clearer radio communications environment than the 2.4 GHz band
wireless LAN.
The FLEXLAN DS54 0 s er ies is cl ass if ied as “rad i o equip ment for a radio station in a low-power d ata
communications system” defined in the Wireless Telegraphy Act, requiring no radio transmission
license.
Data transfer rate of 54 Mbps
The product switches its data rate automatically to 54, 48, 36, 24, 18, 12, 9, or 6 Mbps depending on the
radio conditions. It will be provided with a link speed setting feature focusing on speed and stability.
Robust security provided
The FLEXLAN DS540 series supports the 64-, 128, and 152-bit types of WEP(RC4). Using WEP in
combination with WSL (Wireless Security Link with a proprietary cryptography) provides more robust
security. WEP can be used single-handedly, too. The FLEXLAN DS540 series will also support IEEE
802.1x specifying the latest protocol for security.
Capable of using 11 Mbps and 54 Mbps systems at the same time
You can install a 54 Mbps wireless LAN system while maintaining an existing 11 Mbps wireless LAN
only by inserting an 11 Mbps wireless CF card of FX-DS110-CFC (separately available) at an access
point. A flexible system can be implemented, for example, by constructing an 11 Mbps wireless LAN in
the open air where the use of the 5 GHz band is restricted by the Wireless Telegraphy Act and a 54 M bps
wireless LAN indoors.
Capable of interconnection with a Wi-Fi compliant wireless LAN device
The FLEXLAN DS540 series can communicate, us ing basic feature s, with a Wi-F i compliant device such as a
non-FLEXLAN wireless LAN card, wireless LAN integrated notebook PC. With this feature, you can get the
most out of wireless LAN resources.
Note! This feature does not guarantee the connection of the FX-DS540-PCC to all o f Wi-Fi compliant devices.
Enhancements such as IP tunneling can be used with a p roduct other than the FLEXLAN series.
Multi-channel support
Four channels (channels 34, 38, 42, and 46) can be used. Using different channels for wireless networks
adjacent to each other prevents radio interference and improves the throughput of either network.
IP tunneling function *1
Even when a wireless terminal with a fixed IP address assigned moves to (roam) a segment different in
IP beyond the router, you can continue commun ication without making chan ges to settings.
FX-DS540-AP, FX-DS540-APP3
1. Before Using the Product
Station feature (*1)
Two wired LANs can be interconnected between an access point and a station.
*1 IP tunneling will be supported in th e ne ar fu ture .
The latest versions of software including firmware can be downloaded from the CONTEC’s web site
(http://www.contec.co.jp/eu/)
4FX-DS540-AP, FX-DS540-APP
1. Before Using the Product
Introduction to the FLEXLAN DS540 Series
User unit (FX-DS540-PCC/PCC2)
The user unit corresponds to the LAN card for a wired LAN; it is plugged into a PC for use. The FX-
DS540-PCC/PCC2 is available as a PC Card (CardBus) type.
FX-DS540-PCC/
FX-DS540-PCC2
Figure 1.1 User unit
Access point (FX-DS540-AP/APP)
The access point is used to manage the wireless network, relay messages, and serve as the bridge to a
wired LAN.
FX-DS540-AP
FX-DS540-APP
Figure 1.2 Access point
FX-DS540-AP, FX-DS540-APP5
1. Before Using the Product
Option card for connecting the FLEXLAN DS110 series(FX-DS110-CFC)
The FX-DS110-CFC i s a wi rel es s LAN C F ca rd usi ng dir ec t-seq u en c e sp re ad sp ec trum (DSSS) in the
2.4 GHz band. It conforms to the wireless LAN standard specification IEEE 802.11b.
You can construct a wireless LAN environment with the FLEXLAN DS110 series by plugging the FXDS110-CFC in the FLEXLAN DS110 (2.4 GHz band wireless LAN) series into the CF2 slot on the
FX-DS540-AP/APP.
FX-DS110-CFC
Figure 1.3 FX-DS110-CFC
CompactFlash Card (Bundled)
This medium is used to store the firmware for the access point and its configuration information.
Figure 1.4 CompactFlash Card
6FX-DS540-AP, FX-DS540-APP
1. Before Using the Product
Customer Support
CONTEC provides the following sup port services for you t o use CONTEC products m ore efficiently and
comfortably.
Latest product information
CONTEC provides up-to-date information on products.
CONTEC also provides product manuals and various technical documents in the PDF.
Free download
You can download updated driver software and differential files as we ll as sample program s available i n
several languages.
Note! For product information
Contact your retailer if you have any technical question about a CONTEC product or need its price,
delivery time, or estimate information.
Limited One-Year Warranty
CONTEC Interface boards are warranted by CONTEC CO., LTD. to be free from de fects in material a nd
workmanship for up to one years from the date of purchase by the original purchaser.
Repair will be free of charge only when this device is returned freight pre paid with a copy of the origi nal
invoice and a Return Merchandise Authorization to the distributor or the CONTEC group office, from
which it was purchased.
This warranty is not applicable for scratches or normal wear, but only for the electronic circuitry and
original boards. The warranty is not applicable if the device has been tampered with or damaged through
abuse, mistreatment, neglect, or unreaso nable use, or if the original invoice is not included, in which case
repairs will be considered beyond the warranty policy.
How to Obtain Service
For replacement or repair, return the device freight prepaid, with a copy of the original invoice. Please
obtain a Return Merchandise Authorization Number (RMA) from the CONTEC group office where you
purchased before returning any product.
*No product will be accepted by CONTEC group without the RMA number.
Liability
The obligation of the warrantor is solely to repair or replace the product. In no event will the warrantor
be liable for any incidental or consequential damages due to suc h defect or conse quences tha t arise from
inexperienced usage, misuse, or malfunction of this device.
FX-DS540-AP, FX-DS540-APP7
1. Before Using the Product
Safety Precautions
Understand the following definitions and precautions to use the product safely.
Safety Information
This document provides safety i nformation usin g the following sym bols to prevent accidents resulting in
injury or death and the destructio n of equipment an d resources. U nderstand t he meanings of these labels
to operate the equipment safely.
DANGER
WARNING
CAUTION
DANGER indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury or in property damage.
Precautions for Use
This product is classified as "wireless equipment for stations of low-power data transmissions systems"
under the Wireless Telegraphy Act, and does not require a radio transmission license. The law prohibit s
modification of the interior of this product.
Precautions Related to Electromagnetic Interference
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions : (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including
interference that may cause undesired operation.
This equipment complies with part 15 of the FCC rules. Any changes or modifica tions not
expressly approved by the manufacturer could void the user’s authority to operate the equipment.
CAUTION: To comply w ith F CC RF e x posu re co mpl ia nc e re qu i re ment s, a s epa ra tio n
distance of at least 5 cm must be maintained between this device and all persons.
Precautions Related to Service
Clean the FX-DS540-AP/A PP b y wip ing li ghtl y wi th a sof t cl oth mois tened w ith wat er o r a cle an ing
solution.
Take care to avoid the use of benzene, thin ners or ot her volatil e s oluti o ns whi c h may cause de formation
or discoloration.
8FX-DS540-AP, FX-DS540-APP
1. Before Using the Product
Handling Precautions
DANGER
Do not use the product where it is exposed to flamm able or corrosi ve gas. Doing so ma y result in an
explosion, fire, electric shock, or failure.
CAUTION
-This product contains precision electronic elements and must not be used in locations subject to
physical shock or strong vibration.
Otherwise, the board may malfunction, overheat, or cause a failure.
-Do not use or store this device in high temperature or low temperature surroundings, or do not
expose it to extreme temperature changes.
Otherwise, the board may malfunction, overheat, or cause a failure.
-Do not use or store this device where it is exposed to direct sunlight or near stoves or other sources
of heat. Otherwise, the board may malfunction, overheat, or cause a failure.
-Do not use or store this device near strong magnetic fields or devices emitting electromagnetic
radiation. Otherwise, the board may malfunction, overheat, or cause a failure.
-If an unusual smell or overheat is noticed, unplug the power cable immediately.
-Be careful not to let the external supply voltage or drive current exceed the rating.
-Do no place an object that blocks ventilation slits on top of this product or on its sides.
-The specifications of this product are subject to change without notice for enhancement and quality
improvement.
Even when using the product continuously, be sure to read the manual and understand the contents.
-Do not attempt to modify this device. The manufacturer will bear no responsibility whatsoever for
the device if it has been modified.
-Regardless of the foregoing statements, CONTEC is not liable for any damages whatsoever
(including damages for loss of business profits) arising out of the use or inability to use this
CONTEC product or the information contained herein.
FX-DS540-AP, FX-DS540-APP9
1. Before Using the Product
Environment
Use this product in the following environment. If used in an unauthorized environment, the board may
overheat, malfunction, or cause a failure.
Operating temperature
0 - 50ºC
Humidity
10 - 90%RH (No condensation)
Corrosive gases
None
Floating dust particles
Not to be excessive
Inspection
Inspect the product periodically as follows to use it safely.
- The ventilation slits are not covered,
and neither dust no r a l ien substance is
FrontBack
attached to the ventilation slits
FX-DS540-AP
- Check that the CF slot has
no dust or foreign matter
adhering.
- Check that the connector
of the unit and its cable have
been plugged correctly.
Storage
When storing this product, keep it in its original packing form.
(1) Wrap it in the packing ma te ria l, th e n pu t it in the box .
(2) Store the package at room temperature at a place free from direct sunlight, moisture, shock,
vibration, magnetism, and static electricity.
10FX-DS540-AP, FX-DS540-APP
2 Functions and Wireless Link Mode
2. Functions and Wireless Link Mode
This chapter describes the major functions of th e FLEXLAN DS540 series as a wireless LAN system and
the wireless link modes of the FX-D540-AP/APP along with configuration examples of networks
available in the wireless link modes.
Roaming Function
The roaming function main tain s th e conne ct ion to th e LAN by automatically changing the access point
to which the user unit is connected when the unit moves. If access points are positioned so as to cover
the entire area where the wireless LAN is to be available, the user unit can be used from anywhere.
When the w
Infrastructure
ireless link mode
”, it is designed to continuously monitor the AP (acces s point ) signal stre ngth and cha nge to
the AP that provides the most reliable communications.
In the following example, the signals from the APs do not cover the entire range in which the mobile
station U1 moves and therefore the connection to the wired LAN is lost when U1 is in position (2).
UU1
OK
(1)
of a FLEXLAN-DS540 user unit is “
AP1
10/100M
MGMT
CF2
WLINK
LINK/ACT
ON
POW
ER
OFF
WTX/WRX
FDX/COL
Standard Infrastructure
” or “
Compatible
UU1
NG
(2)
10/100M
MGMT
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
AP3
UU1
OK
(3)
AP : Unit type AP(FX-DS540-AP/APP)
UU : User unit(FX-DS540-PCC/PCC2)
Figure 2.1 Roaming Function 1
FX-DS540-AP, FX-DS540-APP11
2 Functions and Wireless Link Mode
With the addition of an extra AP, however, the mobile station can now continue communications
seamlessly.
UU1
OK
(1)
UU1
(2)
OK
AP1
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
AP2
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
MGMT
10/100M
CF2
WLINK
LINK/ACT
ON
POW
ER
OFF
WTX/WRX
FDX/COL
AP3
UU1
OK
(3)
AP : Unit type AP(FX-DS540-AP/APP)
UU : User unit(FX-DS540-PCC/PCC2)
Figure 2.2 Roaming Function 2
CAUTION
The roaming function is available only to the user unit in its wireless link mode of either “Standard
Infrastructure mode” or “Compatible Infrastructure mode”.
For the wireless link modes, see “Wireless Link Mode Description in this chapter.
12FX-DS540-AP, FX-DS540-APP
2 Functions and Wireless Link Mode
IP Tunneling Function
(To be supported in the near future)
In TCP/IP, packets belonging to different network groups cannot normally be used. However, a
technique called tunneling or IP tunnel tech nology ca n be used to tem pora rily modify packets be longing
to different network groups so that they can be used. This technique can enable user units to
communicate with the wired LAN as usual even when connected via an AP from a different network
group.
The following example shows how u ser unit UU1, wh ich belo ngs to netw ork group A, ca n connec t via a
router to terminal PC1, also in network group A, despite UU1 being connected to the LAN via AP2
which belongs to network group B.
The IP tunneling function will be supported in the near future by updating the firmware (at no charge).
The latest firmware is available at the CONTEC’s web site (http://www.contec.co.jp/en).
Network A
A
PC1
Router
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
AP1AP2
Network B
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
To PC1
data is
Router
transmitted.
A
Roaming beyond router
Moves
UU1
AP : Unit type AP(FX-DS540-AP/APP)
UU : User unit(FX-DS540-PCC/PCC2)
A
UU1
Figure 2.3 IP Tunneling Function
FX-DS540-AP, FX-DS540-APP13
2 Functions and Wireless Link Mode
MAC Address Filtering
MAC address filtering is the function to permit only the user units whose MAC address has been
registered for an AP to log in to the AP. Using this function can reject an attempt to log in to an AP by
an unidentified user unit not registered in the AP.
Figure 2.4 shows a sample image of connections under control of MAC address filtering. The example
assumes that the MAC addresses of UU1 and UU2 are r egistered in the M AC address filtering l ist for the
AP while UU3’s MAC ad dr es s is not regi st er ed in th e li st . In this cas e, UU1 an d UU2 ca n log in to the
AP but UU3 cannot. To permit UU3 to log in to the AP, the AP’s administrator has to add the UU3’s
MAC address to the MAC address filtering list for that AP.
Network A
AP
MGMT
10/100M
CF2
WLINK
LINK/ACT
ON
POW
ER
OFF
WTX/WRX
FDX/COL
UU1
UU2
UU3
UU1
UU2
AP : Unit type AP(FX-DS540-AP/APP)
UU : User unit(FX-DS540-PCC/P CC2)
Figure 2.4 MAC address filtering
Registered MAC
addresses
14FX-DS540-AP, FX-DS540-APP
2 Functions and Wireless Link Mode
Bridge Packet Control
Bridge packet control is the function that allows an AP to pass only data from those network devices
whose MAC address has been registered for the AP to its clients. Using this function can restrict
communication between user units.
Figure 2.5 shows a sample im age of co nnecting under br idge packe t cont rol. The exam ple ass umes tha t,
for bridge packet control, only the MAC address of th e router is register ed in AP1 and AP2. In this c ase,
UU1, UU2, and UU3 can exchange data with the external network through the router while they cannot
communicate with one another. When the router is connected to the Internet, UU1, UU2, and UU3 can
access the Internet while they cannot communicate directly with each other.
Router
AP1
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
AP2
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
UU1UU2UU3
AP : Unit type AP(FX-DS540-AP/APP)
UU : User unit(FX-DS540-PCC/P CC2 )
Figure 2.5 Bridge Packet Control
If the bridge packet control list for the AP contains no entry with the bridge packet control function enabled,
communication is unconditionally permitted between a wired unit and a wireless unit but rejected between
wireless units.
When the bridge packet control list for AP1 and AP2 contains no entry in the above example, UU2 and
UU3 can communicate with each other via AP1 and AP2 while UU1 and UU2 cannot.
Bridge packet control is suitable for a wireless LAN constructed in a public space.
FX-DS540-AP, FX-DS540-APP15
2 Functions and Wireless Link Mode
Wireless Link Mode Descriptions
The AP has three wireless link modes. The available functions and network configurations differ
depending on the mode. Use the wireless link mode most suitable to the type of network you are
constructing. The factory defa ult setting i s sim ple m ode. Chapters 4 and 5 describe the soft ware settin g
procedures for the wireless link modes and related items.
Standard Infrastructure Mode
In this mode, each access point (AP) can accommodate user units (stations) to make up a network.
This mode allows the use of multiple AP's to configure wide-area wireless LAN's. All communication
between wireless terminals must go through an AP.
Network ANetwork B
10/100M
MGMT
CF2
LINK/ACT
WLINK
ON
POW
OFF
ER
FDX/COL
WTX/WRX
AP1
Router
UU1
10/100M
MGMT
WLINK
LINK/ACT
ON
POW
ER
OFF
WTX/WRX
10/100M
MGMT
CF2
WLINK
LINK/ACT
ON
POW
ER
OFF
WTX/WRX
FDX/COL
ST1
HUB
Note : An AP operating as a station has the same status as a user unit, as an AP managed
by (logged in with) an AP.
FDX/COL
CF2
WLINK
ON
POW
OFF
ER
WTX/WRX
AP2
ST2
Network B
10/100M
MGMT
CF2
LINK/ACT
FDX/COL
UU2
AP : Unit type AP(FX-DS540-AP/APP)
ST :Unit type station(FX-DS540-AP/APP)
UU : User unit(FX-DS540-PCC/PCC2)
FS : File server
:Wireless connection
FS
:Wired connection
Figure 2.6 Standard Infrastructure Mode
In the above standard infrastructure mode, all wireless terminals communicate via unit type APs.
Roaming functions are supported, allowing logged in on any unit type AP.
For IP tunneling to work co rrect ly, one of th e APs must b e s etup as th e maste r AP (See “Setti n g Ite m
List” in Chapter 5).
-Advantages
(1) Capable of accommodating APs as stations.
(2) If the IP tunneling function is used, communication can con tinue v i a diff erent routers without
needing to change IP address.
(3) Allows log-in restrictions on unit type AP's (security function).
(4) Capable of improving security based on WSL (Wireless Security Link)
16FX-DS540-AP, FX-DS540-APP
2 Functions and Wireless Link Mode
Compatible Infrastructure Mode
This mode allows the FX-DS540-AP/APP to be networked with other manufacturers’ Wi-Fi certified
wireless terminals other than the CONTEC’s FLEXLAN series. Communications between the wireless
terminals are always made via the APs.
CAUTION
The Compatible Infrastructure mode does not guarantee interconnection with Wi-Fi compliant
products of other manufacturers.
Network A
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
AP
AP : Unit type AP(FX-DS540-AP/APP)
ST : Unit type station(FX-DS540-AP/APP)
UU1: User unit(wireless system card of the other companion for Wi-Fi)
UU2: User unit(FX-DS540-PCC/PCC2)
FS : File server
: Wireless connection
FS
: Wired connection
MGMT
10/100M
CF2
WLINK
LINK/ACT
POW
ON
ER
OFF
WTX/WRX
FDX/COL
ST
UU1UU2
PC
Figure 2.7 Compatible Infrastructure Mode
In the Compatible Infrastruct ure m ode, eac h wir eless te rminal per form s comm unica tion via the AP a s i n
the Standard Infrastructur e mode. As the roam ing functi on is su pported, the wirel ess term inal can l og in
to any unit type AP wit h in th e cov era g e.
The unit type AP does not provide FX-DS540-AP/APP’s unique features as it works as a simple bridge.
FX-DS540-AP, FX-DS540-APP17
2 Functions and Wireless Link Mode
A
Advanced Infrastructure Mode
The Advanced Infrastructure mode is a mixture of the Standard Infrastructure and Compatible
Infrastructure modes.
Network
10/100M
MGMT
CF2
LINK/ACT
WLINK
ON
POW
OFF
ER
FDX/COL
WTX/WRX
AP
UU2
UU1
10/100M
MGMT
CF2
LINK/ACT
WLINK
POW
ON
ER
OFF
FDX/COL
WTX/WRX
ST1
Note : An AP operating as a st at i o n has the sam e status as a use r unit, as an AP managed
by (logged in with) an AP.
HUB
UU2
MGMT
WLINK
POW
ON
OFF
ER
WTX/WRX
Network B
10/100M
CF2
LINK/ACT
FDX/COL
ST2
Figure 2.8 Advanced Infrastructure Mode
The terminal set to the Standard Infrastructure mode can use the FX-DS540-AP/APP’s unique features.
The terminal set to the Compatible I nfrastruct ure mode serves as a sim ple bridge an d thus cannot use the
FX-DS540-AP/APP’s unique features.
AP : Unit type AP(FX-DS540-AP/APP)
ST : Unit type station(FX-DS540-AP/APP)
UU1: User unit(wireless system card of the other companion for Wi-Fi)
UU2: User unit(FX-DS540-PCC/P CC2)
FS : File server
FS
: Wireless connection
: Wired connection
18FX-DS540-AP, FX-DS540-APP
2 Functions and Wireless Link Mode
Wireless Link Mode and Communications
The table below shows which wireless terminals can communicate with each other depending on the
operating mode of the AP and user unit.
[Table notation and notes]
1. UU stands for “user unit”.
2. AP⇔UU indicates communications between a unit type AP and user unit.
3. ST indicates an “AP managed by (logged in to) another AP” which operates in the same way as a
user unit. See Chapter 5 for details of the setup procedure.
Table 2.1 Wireless Link Mode and Communications
Wireless Link Mode
Compatible Adho cO
Standard Infrastructure×OO
Compatible Infrastructure×O×
Advanced Infrastructure×OO
Terminal able to communicate
UU
⇔UUAP⇔UUAP⇔ST
--
FX-DS540-AP, FX-DS540-APP19
2 Functions and Wireless Link Mode
Comparison of Main Functions
The FX-DS540-AP/APP has three wireless link modes. The available functions are different for each
mode. The following shows a table of the relationshi p betwee n t he oper atin g m odes and main functions
and gives a brief explanation of each function.
Table 2.2 Comparison of Main Functions
Standard
Infrastructure
RoamingOOO
IP Tunneling *2O×O *1
Station AP connection *2O×O
SNMP *2OOO
Log collection functionOOO
MAC address FilteringOOO
Data encryption (WSL)O×O *1
Data encryption (WEP)OOO
IEEE802.1x(EAP-TLS)OOO
*1 Not available between the devices in Compatible Infrastructure mode
*2 IP tunneling will be supported in the near future.
Compatible
Infrastructure
Advanced
Infrastructure
Roaming
The roaming function which allows mobile us er units to switch lo g-in b etween multiple APs can only be
used. Roaming can be used to co nst ruc t larg e sc ale w ire le ss L AN s.
IP tunneling
This function modifies the IP address so that units can connect to the desired network group even via.
It can be used in the Advanced Infrastructure and Standard Infrastructure modes.
Station AP connection
A station (unit type ST) indicates an AP managed (logged in) by another AP; it is used to serve as a
bridge.
SNMP
This function enables remote management by software that supports SNMP. Available in all modes.
Log collection function
This function lists the wireless terminals logged in to the AP and collects times and other event
information. See Chapter 6 for details.
20FX-DS540-AP, FX-DS540-APP
2 Functions and Wireless Link Mode
MAC address filtering
This function enables connection of only the terminals whose MAC address has been registered.
Data encryption
This function encrypts wireless data. For encryption, two security protocols are available: WSL
(Wireless Security Link: proprietary cryptography) and WEP (Wired Equivalent Privacy). WSL and
WEP can be used at the same time. Note, however, that devices using WSL and those not using it cannot
communication with each other.
IEEE802.1x(EAP-TLS)
This function performs authentication using digital certificates. After authentication, the AP
dynamically broadcasts the WEP key.
The function of IEEE 802.1X cannot be used when the unit type of the AP is “station”.
FX-DS540-AP, FX-DS540-APP21
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