Extreme Networks RBT4102 Multi-Channel Access Point User Manual EAP6626A IG 60

Extreme Networks, Inc. Multi-Channel Access Point EAP6626A IG 60

Contents

Users Manual

P/N 9034148-06
RoamAbout
RBT-4102, RBT-4102-BG, and RBT-4102-EU
2.4 GHz / 5 GHz
Wireless Access Point
Installation Guide
i
Notice
ENTERASYS NETWORKS reserves the right to make changes in specifications and other
information contained in this document and its web site without prior notice. The reader should
in all cases consult ENTERASYS NETWORKS to determine whether any such changes have
been made.
The hardware, firmware, or software described in this document is subject to change without
notice.
IN NO EVENT SHALL ENTERASYS NETWORKS BE LIABLE FOR ANY INCIDENTAL,
INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING
BUT NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS
DOCUMENT, WEB SITE, OR THE INFORMATION CONTAINED IN THEM, EVEN IF
ENTERASYS NETWORKS HAS BEEN ADVISED OF, KNEW OF, OR SHOULD HAVE
KNOWN OF, THE POSSIBILITY OF SUCH DAMAGES.
Enterasys Networks, Inc.
50 Minuteman Road
Andover, MA 01810
© 2005 Enterasys Networks, Inc. All rights reserved.
Printed in Taiwan
Release Date: November 2005
ENTERASYS, ENTERASYS NETWORKS, ENTERASYS ROAMABOUT, LANVIEW,
NETSIGHT, ROAMABOUT, WEBVIEW, and any logos associated therewith, are trademarks
or registered trademarks of Enterasys Networks, Inc. in the United States and other countries.
All other product names mentioned in this manual may be trademarks or registered trademarks
of their respective companies.
Documentation URL: http://www.enterasys.com/support/manuals
ELECTRICAL HAZARD: Only qualified personnel should
perform installation procedures.
Notice
ii
Enterasys Networks, Inc.
Firmware License Agreement
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Notice
iii
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Notice
iv
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Notice
v
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Notice
vi
vii
Compliances
RBT-4102
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one of the following measures:
• Reorient or relocate the receiving antenna
• Increase the separation between the equipment and receiver
• Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected
• Consult the dealer or an experienced radio/TV technician for help
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment. 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.
IEEE 802.11b or 802.11g operation of this product in the U.S.A. is firmware-limited to
channels 1 through 11.
IMPORTANT NOTE:
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with a minimum distance
of 70 centimeters (27.5 inches) between the radiator and your body. This transmitter must
not be co-located or operating in conjunction with any other antenna or transmitter.
viii
Wireless 5 GHz Band Statements:
As the Access Point can operate in the 5150-5250 MHz frequency band it is limited by the
FCC, Industry Canada and some other countries to indoor use only so as to reduce the
potential for harmful interference to co-channel Mobile Satellite systems.
High power radars are allocated as primary users (meaning they have priority) of the
5250-5350 MHz and 5650-5850 MHz bands. These radars could cause interference and /
or damage to the access point when used in Canada.
The term “IC:” before the radio certification number only signifies that Industry Canada
technical specifications were met.
Industry Canada - Class B
This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus as set out in the interference-causing equipment standard entitled
“Digital Apparatus,” ICES-003 of Industry Canada.
Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux
appareils numériques de Classe B prescrites dans la norme sur le matérial brouilleur:
“Appareils Numériques,” NMB-003 édictée par l’Industrie.
Industry Canada Statement
Operation is subject to the following two conditions:
1) This device may not cause interference and
2) This device must accept any interference, including interference that may cause
undesired operation of the device
This device has been designed to operate with an antenna having a maximum gain of
23 dB. Antenna having a higher gain is strictly prohibited per regulations of Industry
Canada. The required antenna Impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the EIRP is not more than required for successful communication.
Because high power radars are allocated as primary users (meaning they have priority) in
5250-5350 MHz, these radars could cause interference and/or damage to license exempt
LAN devices.
RBT-4102-EU
Australia/New Zealand AS/NZS 4771
A
N826
ix
EC Conformance Declaration
Marking by the above symbol indicates compliance with the Essential Requirements of
the R&TTE Directive of the European Union (1999/5/EC). This equipment meets the
following conformance standards:
• EN 60950 (IEC 60950) - Product Safety
• EN 301 893 - Technical requirements for 5 GHz radio equipment
• EN 300 328 - Technical requirements for 2.4 GHz radio equipment
• EN 301 489-1 / EN 301 489-17 - EMC requirements for radio equipment
Countries of Operation & Conditions of Use in the European
Community
This device is intended to be operated in all countries of the European Community.
Requirements for indoor vs. outdoor operation, license requirements and allowed
channels of operation apply in some countries as described below:
Note: The user must use the configuration utility provided with this product to ensure the
channels of operation are in conformance with the spectrum usage rules for
European Community countries as described below.
• This device requires that the user or installer properly enter the current country of
operation in the command line interface as described in the user guide, before operating
this device.
• This device will automatically limit the allowable channels determined by the current
country of operation. Incorrectly entering the country of operation may result in illegal
operation and may cause harmful interference to other system. The user is obligated to
ensure the device is operating according to the channel limitations, indoor/outdoor
restrictions and license requirements for each European Community country as
described in this document.
• This device employs a radar detection feature required for European Community
operation in the 5 GHz band. This feature is automatically enabled when the country of
operation is correctly configured for any European Community country. The presence of
nearby radar operation may result in temporary interruption of operation of this device.
The radar detection feature will automatically restart operation on a channel free of
radar.
• The 5 GHz Turbo Mode feature is not allowed for operation in any European Community
country. The current setting for this feature is found in the 5 GHz 802.11a Radio Settings
Window as described in the user guide.
• The 5 GHz radio's Auto Channel Select setting described in the user guide must always
remain enabled to ensure that automatic 5 GHz channel selection complies with
European requirements. The current setting for this feature is found in the 5 GHz
802.11a Radio Settings Window as described in the user guide.
• This device is restricted to indoor use when operated in the European Community using
the 5.15 - 5.35 GHz band: Channels 36, 40, 44, 48, 52, 56, 60, 64. See table below for
allowed 5 GHz channels by country.
x
• This device may be operated indoors or outdoors in all countries of the European
Community using the 2.4 GHz band: Channels 1 - 13, except where noted below.
- In Italy the end-user must apply for a license from the national spectrum authority to
operate this device outdoors.
- In Belgium outdoor operation is only permitted using the 2.46 - 2.4835 GHz band:
Channel 13.
- In France outdoor operation is only permitted using the 2.4 - 2.454 GHz band:
Channels 1 - 7.
Operation Using 5 GHz Channels in the European Community
The user/installer must use the provided configuration utility to check the current channel
of operation and make necessary configuration changes to ensure operation occurs in
conformance with European National spectrum usage laws as described below and
elsewhere in this document.
Allowed 5GHz Channels in Each European Community Country
Allowed Frequency Bands Allowed Channel Numbers Countries
5.15 - 5.25 GHz* 36, 40, 44, 48 Austria, Belgium
5.15 - 5.35 GHz* 36, 40, 44, 48, 52, 56, 60, 64 France, Switzerland,
Liechtenstein
5.15 - 5.35* & 5.470 - 5.725 GHz 36, 40, 44, 48, 52, 56, 60, 64,
100, 104, 108, 112, 116, 120,
124, 128, 132, 136, 140
Cyprus, Czech
Republic, Denmark,
Estonia, Finland,
Germany, Iceland,
Ireland, Italy, Latvia,
Lithuania,
Luxembourg, Malta,
Netherlands, Norway,
Poland, Portugal,
Slovakia, Slovenia,
Spain, Sweden, U.K.
5 GHz Operation Not Allowed None Greece, Hungary
* Outdoor operation is not allowed using 5.15-5.35 GHz bands (Channels 36 - 64).
xi
Declaration of Conformity in Languages of the European
Community
English Hereby, Enterasys, declares that this Radio LAN device is in compliance
with the essential requirements and other relevant provisions of Directive
1999/5/EC.
Finnish Valmistaja Enterasys vakuuttaa täten että Radio LAN device tyyppinen
laite on direktiivin 1999/5/EY oleellisten vaatimusten ja sitä koskevien
direktiivin muiden ehtojen mukainen.
Dutch Hierbij verklaart Enterasys dat het toestel Radio LAN device in overeen-
stemming is met de essentiële eisen en de andere relevante bepalingen
van richtlijn 1999/5/EG
Bij deze Enterasys dat deze Radio LAN device voldoet aan de essentiële
eisen en aan de overige relevante bepalingen van Richtlijn 1999/5/EC.
French Par la présente Enterasys déclare que l'appareil Radio LAN device est
conforme aux exigences essentielles et aux autres dispositions perti-
nentes de la directive 1999/5/CE
Swedish Härmed intygar Enterasys att denna Radio LAN device står I överens-
stämmelse med de väsentliga egenskapskrav och övriga relevanta be-
stämmelser som framgår av direktiv 1999/5/EG.
Danish Undertegnede Enterasys erklærer herved, at følgende udstyr Radio LAN
device overholder de væsentlige krav og øvrige relevante krav i direktiv
1999/5/EF
German Hiermit erklärt Enterasys, dass sich dieser/diese/dieses Radio LAN de-
vice in Übereinstimmung mit den grundlegenden Anforderungen und den
anderen relevanten Vorschriften der Richtlinie 1999/5/EG befindet". (BM-
Wi)
Hiermit erklärt Enterasys die Übereinstimmung des Gerätes Radio LAN
device mit den grundlegenden Anforderungen und den anderen relevant-
en Festlegungen der Richtlinie 1999/5/EG. (Wien)
Greek με την παρουσα Enterasys δηλωνει οτι radio LAN device συμμορφωνεται
προσ τισ ουσιωδεισ απαιτησεισ και τισ λοιπεσ σΧετικεσ διαταξεισ τησ
οδηγιασ 1999/5/εκ
Italian Con la presente Enterasys dichiara che questo Radio LAN device è con-
forme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite
dalla direttiva 1999/5/CE.
Spanish Por medio de la presente Enterasys declara que el Radio LAN device
cumple con los requisitos esenciales y cualesquiera otras disposiciones
aplicables o exigibles de la Directiva 1999/5/CE
Portuguese Enterasys declara que este Radio LAN device está conforme com os req-
uisitos essenciais e outras disposições da Directiva 1999/5/CE.
xii
Safety Compliance
Power Cord Safety
Please read the following safety information carefully before installing the access
point:
WARNING: Installation and removal of the unit must be carried out by qualified personnel
only.
• The unit must be connected to an earthed (grounded) outlet to comply with international
safety standards.
• Do not connect the unit to an A.C. outlet (power supply) without an earth (ground)
connection.
• The appliance coupler (the connector to the unit and not the wall plug) must have a
configuration for mating with an EN 60320/IEC 320 appliance inlet.
• The socket outlet must be near to the unit and easily accessible. You can only remove
power from the unit by disconnecting the power cord from the outlet.
• This unit operates under SELV (Safety Extra Low Voltage) conditions according to IEC
60950. The conditions are only maintained if the equipment to which it is connected
also operates under SELV conditions.
France and Peru only
This unit cannot be powered from IT† supplies. If your supplies are of IT type, this unit
must be powered by 230 V (2P+T) via an isolation transformer ratio 1:1, with the
secondary connection point labelled Neutral, connected directly to earth (ground).
† Impédance à la terre
Important! Before making connections, make sure you have the correct cord set. Check
it (read the label on the cable) against the following:
Power Cord Set
U.S.A. and Canada The cord set must be UL-approved and CSA certified.
The minimum specifications for the flexible cord are:
- No. 18 AWG - not longer than 2 meters, or 16 AWG.
- Type SV or SJ
- 3-conductor
The cord set must have a rated current capacity of at least
10 A
The attachment plug must be an earth-grounding type with
NEMA 5-15P (15 A, 125 V) or NEMA 6-15P (15 A, 250 V)
configuration.
Denmark The supply plug must comply with Section 107-2-D1, Stan-
dard DK2-1a or DK2-5a.
Switzerland The supply plug must comply with SEV/ASE 1011.
xiii
Veuillez lire à fond l'information de la sécurité suivante avant d'installer le access
point:
AVERTISSEMENT: L’installation et la dépose de ce groupe doivent être confiés à un
personnel qualifié.
• Ne branchez pas votre appareil sur une prise secteur (alimentation électrique) lorsqu'il
n'y a pas de connexion de mise à la terre (mise à la masse).
• Vous devez raccorder ce groupe à une sortie mise à la terre (mise à la masse) afin de
respecter les normes internationales de sécurité.
• Le coupleur d’appareil (le connecteur du groupe et non pas la prise murale) doit
respecter une configuration qui permet un branchement sur une entrée d’appareil EN
60320/IEC 320.
• La prise secteur doit se trouver à proximité de l’appareil et son accès doit être facile.
Vous ne pouvez mettre l’appareil hors circuit qu’en débranchant son cordon électrique
au niveau de cette prise.
• L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à
la norme IEC 60950. Ces conditions ne sont maintenues que si l’équipement auquel il
est raccordé fonctionne dans les mêmes conditions.
France et Pérou uniquement:
Ce groupe ne peut pas être alimenté par un dispositif à impédance à la terre. Si vos
alimentations sont du type impédance à la terre, ce groupe doit être alimenté par une
tension de 230 V (2 P+T) par le biais d’un transformateur d’isolement à rapport 1:1, avec
un point secondaire de connexion portant l’appellation Neutre et avec raccordement
direct à la terre (masse).
U.K. The supply plug must comply with BS1363 (3-pin 13 A) and
be fitted with a 5 A fuse which complies with BS1362.
The mains cord must be <HAR> or <BASEC> marked and
be of type HO3VVF3GO.75 (minimum).
Europe The supply plug must comply with CEE7/7 (“SCHUKO”).
The mains cord must be <HAR> or <BASEC> marked and
be of type HO3VVF3GO.75 (minimum).
IEC-320 receptacle.
Power Cord Set
xiv
Bitte unbedingt vor dem Einbauen des Access Point die folgenden
Sicherheitsanweisungen durchlesen (Germany):
WARNUNG: Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal
erfolgen.
• Das Gerät sollte nicht an eine ungeerdete Wechselstromsteckdose angeschlossen
werden.
• Das Gerät muß an eine geerdete Steckdose angeschlossen werden, welche die
internationalen Sicherheitsnormen erfüllt.
• Der Gerätestecker (der Anschluß an das Gerät, nicht der Wandsteckdosenstecker)
muß einen gemäß EN 60320/IEC 320 konfigurierten Geräteeingang haben.
• Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein. Die
Stromversorgung des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus
der Netzsteckdose unterbrochen werden.
• Der Betrieb dieses Geräts erfolgt unter den SELV-Bedingungen
(Sicherheitskleinstspannung) gemäß IEC 60950. Diese Bedingungen sind nur
gegeben, wenn auch die an das Gerät angeschlossenen Geräte unter
SELV-Bedingungen betrieben werden.
Cordon électrique - Il doit être agréé dans le pays d’utilisation
Etats-Unis et Canada: Le cordon doit avoir reçu l’homologation des UL et un certificat
de la CSA.
Les spe'cifications minimales pour un cable flexible sont AWG
No. 18, ouAWG No. 16 pour un cable de longueur infe'rieure
a` 2 me'tres.
- type SV ou SJ
- 3 conducteurs
Le cordon doit être en mesure d’acheminer un courant nominal
d’au moins 10 A.
La prise femelle de branchement doit être du type à mise à la
terre (mise à la masse) et respecter la configuration NEMA
5-15P (15 A, 125 V) ou NEMA 6-15P (15 A, 250 V).
Danemark: La prise mâle d’alimentation doit respecter la section 107-2 D1
de la norme DK2 1a ou DK2 5a.
Suisse: La prise mâle d’alimentation doit respecter la norme SEV/ASE
1011.
Europe La prise secteur doit être conforme aux normes CEE 7/7
(“SCHUKO”)
LE cordon secteur doit porter la mention <HAR> ou <BASEC>
et doit être de type HO3VVF3GO.75 (minimum).
xv
Stromkabel. Dies muss von dem Land, in dem es benutzt wird geprüft werden:
U.S.A und Kanada Der Cord muß das UL gepruft und war das CSA beglaubigt.
Das Minimum spezifikation fur der Cord sind:
- Nu. 18 AWG - nicht mehr als 2 meter, oder 16 AWG.
- Der typ SV oder SJ
- 3-Leiter
Der Cord muß haben eine strombelastbarkeit aus wenigstens 10 A
Dieser Stromstecker muß hat einer erdschluss mit der typ NEMA
5-15P (15A, 125V) oder NEMA 6-15P (15A, 250V) konfiguration.
Danemark Dieser Stromstecker muß die ebene 107-2-D1, der standard
DK2-1a oder DK2-5a Bestimmungen einhalten.
Schweiz Dieser Stromstecker muß die SEV/ASE 1011Bestimmungen ein-
halten.
Europe Das Netzkabel muß vom Typ HO3VVF3GO.75 (Mindestan-
forderung) sein und die Aufschrift <HAR> oder <BASEC> tragen.
Der Netzstecker muß die Norm CEE 7/7 erfüllen (”SCHUKO”).
xvi
xvii
Table of Contents
Chapter 1: Introduction 1-1
Package Checklist 1-2
Hardware Description 1-2
Component Description 1-4
Chapter 2: Hardware Installation 2-1
Chapter 3: Network Configuration 3-1
Network Topologies 3-2
Ad Hoc Wireless LAN (no Access Point) 3-2
Infrastructure Wireless LAN 3-2
Infrastructure Wireless LAN for Roaming Wireless PCs 3-3
Infrastructure Wireless Bridge 3-4
Appendix A: Troubleshooting A-1
Diagnosing Access Point Indicators A-1
Appendix B: Cables and Pinouts B-1
Twisted-Pair Cable Assignments B-1
10/100BASE-TX Pin Assignments B-1
Straight-Through Wiring B-2
Crossover Wiring B-3
Console Port Pin Assignments B-3
Wiring Map for Serial Cable B-4
Appendix C: Specifications C-1
General Specifications C-1
Sensitivity C-3
Transmit Power C-5
Operating Range C-6
External Antennas C-7
xviii
Contents
1-1
Chapter 1: Introduction
The RoamAbout RBT-4102, RBT-4102-BG, and RBT-4102-EU are IEEE 802.11a/b/g
access points that provide transparent, wireless high-speed data communications
between the wired LAN and fixed or mobile devices equipped with an 802.11a,
802.11b, or 802.11g wireless adapter.
This solution offers fast, reliable wireless connectivity with considerable cost savings
over wired LANs (which include long-term maintenance overhead for cabling). Using
802.11a and 802.11g technology, these access points can easily replace a 10 Mbps
Ethernet connection or seamlessly integrate into a 10/100 Mbps Ethernet LAN.
The RBT-4102, RBT-4102-BG, and RBT-4102-EU support up to eight Virtual Access
Points per physical radio interface, that is eight on the 802.11a radio and eight on
the 802.11g radio. This allows traffic to be separated for different user groups using
an access point that services one area. For each VAP, different security settings,
VLAN assignments, and other parameters can be applied.
Each radio interface on the RBT-4102, RBT-4102-BG, and RBT-4102-EU can
operate in one of three modes:
•Access Point – Providing conectivity to wireless clients in the service area.
•Bridge (Point-to-Point) – Providing links to other access points in “Bridge” or
“Root Bridge” mode connecting wired LAN segments.
•Root Bridge (Point-to-Multipoint) – Providing links to other access points in
“Bridge” mode connecting wired LAN segments. Only one unit in the wireless
bridge network can be set to “Root Bridge” mode.
In addition, the access point offers full network management capabilities through an
easy to configure web interface, a command line interface for initial configuration
and troubleshooting, and support for Simple Network Management tools.
Radio Characteristics – The IEEE 802.11a/g standard uses a radio modulation
technique known as Orthogonal Frequency Division Multiplexing (OFDM), and a
shared collision domain (CSMA/CA). It operates at the 5 GHz Unlicensed National
Information Infrastructure (UNII) band for connections to 802.11a clients, and at
2.4 GHz for connections to 802.11g clients.
IEEE 802.11g includes backward compatibility with the IEEE 802.11b standard.
IEEE 802.11b also operates at 2.4 GHz, but uses Direct Sequence Spread
Spectrum (DSSS) and Complementary Code Keying (CCK) modulation technology
to achieve a communication rate of up to 11 Mbps.
The access point supports a 54 Mbps half-duplex connection to Ethernet networks
for each active channel (up to 108 Mbps in turbo mode on the 802.11a interface).
Introduction
1-2
Package Checklist
The RoamAbout package includes:
• One RoamAbout RBT-4102, RBT-4102-BG, or RBT-4102-EU
• One Category 5 network cable
• One RS-232 console cable
• One AC power adapter and power cord
• Four rubber feet
• Three wall-mounting screws
• Bezel
• Mounting bracket
• This Installation Guide
• Documentation CD (includes Installation Guide and Management Guide)
Inform your dealer if there are any incorrect, missing or damaged parts. If possible,
retain the carton, including the original packing materials. Use them again to repack
the product in case there is a need to return it.
Caution: The Bezel should not be used in a plenum area.
Hardware Description
Top Panel
LED
Indicators
Antennas
Hardware Description
1-3
Rear Panel
Security
Slot
Console
Port
RJ-45 Port,
PoE
Connector
Reset
Button External Antenna
Connector
(802.11a Radio)
DC Power
Supply
External Antenna
Connector
(802.11b/g) Radio
Introduction
1-4
Component Description
Antennas
The access point includes integrated diversity antennas for wireless
communications. A diversity antenna system uses two identical antennas to receive
and transmit signals, helping to avoid multipath fading effects. When receiving, the
access point checks both antennas and selects the one with the strongest signal.
When transmitting, it will continue to use the antenna previously selected for
receiving. The access point never transmits from both antennas at the same time.
The antennas transmit the outgoing signal as a toroidal sphere (doughnut shaped),
with the coverage extending most in a direction perpendicular to the antenna. The
antenna should be adjusted to an angle that provides the appropiate coverage for
the service area. For further information, see “Positioning the Antennas” on page
2-4.
External Antenna Connectors
The access point supports external antenna connections for both the 2.4 GHz and
5 GHz radios. These antennas offer a variety of options for extending the radio
range and shaping the coverge area. For a list of external antennas, their model
type and gain refer to “External Antennas” on page C-7.
For information on the external antennas available, refer to the following document
on the Enterasys Web site:
http://www.enterasys.com/support/manuals/n-s.html#R
LED Indicators
The access point includes four status LED
indicators, as described in the following
figure and table.
LED Status Description
Power On Green Indicates that the system is working normally.
Flashing Green Indicates:
• running a self-test.
• loading software program.
On Amber Indicates a CPU or system failure.
Flashing Amber
(Prolonged) Indicates system errors.
Power 802.11a
Wireless
Link/Activity
Ethernet
Link/Activity
802.11b/g
Wireless
Link/Activity
Hardware Description
1-5
Security Slot
The access point includes a Kensington security slot on the rear panel. You can
prevent unauthorized removal of the access point by wrapping the Kensington
security cable (not provided) around an unmovable object, inserting the lock into the
slot, and turning the key.
Console Port
This port is used to connect a console device to the access point through a serial
cable. This connection is described under “Console Port Pin Assignments” on page
B-3. The console device can be a PC or workstation running a VT-100 terminal
emulator, or a VT-100 terminal.
Ethernet Port
The access point has one 10BASE-T/100BASE-TX RJ-45 port that can be attached
directly to 10BASE-T/100BASE-TX LAN segments. These segments must conform
to the IEEE 802.3 or 802.3u specifications.
This port supports automatic MDI/MDI-X operation, so you can use straight-through
cables for all network connections to PCs, switches, or hubs.
The access point appears as an Ethernet node and performs a bridging function by
moving packets from the wired LAN to remote workstations on the wireless
infrastructure.
Note: The RJ-45 port also supports Power over Ethernet (PoE) based on the IEEE
802.3af standard. Refer to the description for the “Power Connector” for
information on supplying power to the access point’s network port from a
network device, such as a switch, that provides Power over Ethernet (PoE).
Link On Green Indicates a valid 10/100 Mbps Ethernet cable link.
Flashing Green Indicates that the access point is transmitting or receiving
data on a 10/100 Mbps Ethernet LAN. Flashing rate is
proportional to your network activity.
11a On Green Indicates the 802.11a radio is enabled.
Flashing Green Indicates that the access point is transmitting or receiving
data through wireless links. Flashing rate is proportional
to network activity.
Off Indicates the 802.11a radio is disabled.
11b/g On Green Indicates the 802.11b/g radio is enabled.
Flashing Green Indicates that the access point is transmitting or receiving
data through wireless links. Flashing rate is proportional
to network activity.
Off Indicates the 802.11b/g radio is disabled.
LED Status Description
Introduction
1-6
Reset Button
This button is used to reset the access point or restore the factory default
configuration. If you hold down the button for less than 5 seconds, the access point
will perform a hardware reset. If you hold down the button for 5 seconds or more,
any configuration changes you may have made are removed, and the factory default
configuration is restored to the access point.
Power Connector
The access point does not have a power switch. It is powered on when connected to
the AC power adapter, and the power adapter is connected to a power source. The
power adapter automatically adjusts to any voltage between 100~240 volts at 50 or
60 Hz. No voltage range settings are required.
The access point may also receive Power over Ethernet (PoE) from a switch or
other network device that supplies power over the network cable based on the IEEE
802.3af standard.
Note: The access point supports both endspan and midspan PoE.
Note that if the access point is connected to a PoE source device and also
connected to a local power source through the AC power adapter, AC power will be
disabled.
2-1
Chapter 2: Hardware Installation
To install the access point, follow the steps outlined below:
1. Select a Site – Choose a proper place for the access point. In general, the best
location is at the center of your wireless coverage area, within line of sight of all
wireless devices. Try to place the access point in a position that can best cover
its Basic Service Set (refer to “Infrastructure Wireless LAN” on page 3-2). For
optimum performance, consider these points:
• Mount the access point as high as possible above any obstructions in the
coverage area.
• Avoid mounting next to or near building support columns or other obstructions
that may cause reduced signal or null zones in parts of the coverage area.
• Mount away from any signal absorbing or reflecting structures (such as those
containing metal).
2. Mount the Access Point – The access point can be mounted on any
horizontal surface or a wall.
Mounting on a horizontal surface – To keep the access point from sliding on the
surface, attach the four rubber feet provided in the accessory kit to the marked
circles on the bottom of the access point.
Mounting on a Wall – To mount on a wall or ceiling you must first attach the
mounting bracket to the base of the access point. Align the two mounting slots
on the bracket with the raised attaching slats and screw the unit into place
firmly.
Hardware Installation
2-2
The access point should be mounted only to a wall or wood surface that is at
least 1/2-inch plywood or its equivalent. To mount the access point on a wall,
always use its wall-mounting bracket. The access point must be mounted with
the RJ-45 cable connector oriented upwards to ensure proper operation.
• Using the mounting bracket, mark the position of the four screw holes on the
wall. For concrete or brick walls, you will need to drill holes and insert wall
plugs for the screws.
• Position the mounting bracket over the wall screw holes, then insert the
included screws and tighten them down to secure the bracket firmly to the
wall.
• Attach the access point to the mounting bracket. Line up the two mounting
points on the bracket with the two mounting slots on the bottom of the access
point (see the following figure). Place the mounting points of the bracket into
the mounting slots of the bracket, slide it into position so that the bracket
fastening screw on the access point lines up with the tab on the bracket. Then
screw down the fastening screw to secure the access point to the bracket.
Mounting Slots
Bottom of Access Point
Attaching Slats
Hardware Installation
2-3
3. Lock the Access Point in Place – To prevent unauthorized removal of the
access point, you can use a Kensington Slim MicroSaver security cable (not
included) to attach the access point to a fixed object.
Mounting
Points
Mounting
Slots
Bracket
Fastening
Screw
Align this tab with
the Fastening
Screw
Hardware Installation
2-4
4. Connect the Power Cord – Connect the power adapter to the access point,
and the power cord to an AC power outlet.
Otherwise, the access point can derive its operating power directly from the
RJ-45 port when connected to a device that provides IEEE 802.3af compliant
Power over Ethernet (PoE).
Note: If the access point is connected to both a PoE source device and an AC power
source, AC will be disabled.
Warning: Use ONLY the power adapter supplied with this access point. Otherwise, the
product may be damaged.
5. Observe the Self Test – When you power on the access point, verify that the
Power indicator stops flashing and remains on, and that the other indicators
start functioning as described under “LED Indicators” on page 1-4.
If the PWR LED does not stop flashing, the self test has not completed
correctly. Refer to “Troubleshooting” on page A-1.
6. Connect the Ethernet Cable – The access point can be wired to a 10/100
Mbps Ethernet through a network device such as a hub or a switch. Connect
your network to the RJ-45 port on the back panel with category 3, 4, or 5 UTP
Ethernet cable. When the access point and the connected device are powered
on, the Ethernet Link LED should light indicating a valid network connection.
Note: The RJ-45 port on the access point supports automatic MDI/MDI-X operation, so
you can use straight-through cables for all network connections to PCs, switches,
or hubs.
7. Position the Antennas – Each antenna emits a radiation pattern that is
toroidal (doughnut shaped), with the coverage extending most in the direction
perpendicular to the antenna. Therefore, the antennas should be oriented so
that the radio coverage pattern fills the intended horizontal space. Also, the
diversity antennas should both be positioned along the same axes, providing
the same coverage area. For example, if the access point is mounted on a
horizontal surface, both antennas should be positioned pointing vertically up to
provide optimum coverage.
8. Connect the Console Port – Connect the console cable (included with
RBT-4102) to the RS-232 console port for accessing the command-line
interface. You can manage the access point using the console port, the web
interface, or SNMP management software such as NetSight or HP’s OpenView.
3-1
Chapter 3: Network Configuration
Wireless networks support a standalone configuration as well as an integrated
configuration with 10/100 Mbps Ethernet LANs. The RoamAbout RBT-4102,
RBT-4102-BG, and RBT-4102-EU also provide bridging services that can be
configured independently on either the 5 GHz or 2.4 GHz radio interfaces.
Access points can be deployed to support wireless clients and connect wired LANs
in the following configurations:
• Ad hoc for departmental, SOHO or enterprise LANs
• Infrastructure for wireless LANs
• Infrastructure wireless LAN for roaming wireless PCs
• Infrastructure wireless bridge to connect wired LANs
The 802.11b and 802.11g frequency band which operates at 2.4 GHz can easily
encounter interference from other 2.4 GHz devices, such as other 802.11b or g
wireless devices, cordless phones and microwave ovens. If you experience poor
wireless LAN performance, try the following measures:
• Limit any possible sources of radio interference within the service area
• Increase the distance between neighboring access points
• Decrease the signal strength of neighboring access points
• Increase the channel separation of neighboring access points (e.g. up to 3
channels of separation for 802.11b, or up to 4 channels for 802.11a, or up to 5
channels for 802.11g)
Network Configuration
3-2
Network Topologies
Ad Hoc Wireless LAN (no Access Point)
An ad hoc wireless LAN consists of a group of computers, each equipped with a
wireless adapter, connected via radio signals as an independent wireless LAN.
Computers in a specific ad hoc wireless LAN must therefore be configured to the
same radio channel. An ad hoc wireless LAN can be used for a branch office or
SOHO operation.
Infrastructure Wireless LAN
The access point also provides access to a wired LAN for wireless workstations. An
integrated wired/wireless LAN is called an Infrastructure configuration. A Basic
Service Set (BSS) consists of a group of wireless PC users, and an access point
that is directly connected to the wired LAN. Each wireless PC in this BSS can talk to
any computer in its wireless group via a radio link, or access other computers or
network resources in the wired LAN infrastructure via the access point.
The infrastructure configuration not only extends the accessibility of wireless PCs to
the wired LAN, but also increases the effective wireless transmission range for
wireless PCs by passing their signal through one or more access points.
A wireless infrastructure can be used for access to a central database, or for
connection between mobile workers, as shown in the following figure.
Ad Hoc Wireless LAN
Notebook with
Wireless USB Adapter
Notebook with
Wireless PC Card
PC with Wireless
PCI Adapter
Network Topologies
3-3
Infrastructure Wireless LAN for Roaming Wireless PCs
The Basic Service Set (BSS) defines the communications domain for each access
point and its associated wireless clients. The BSS ID is a 48-bit binary number
based on the access point’s wireless MAC address, and is set automatically and
transparently as clients associate with the access point. The BSS ID is used in
frames sent between the access point and its clients to identify traffic in the service
area.
The BSS ID is only set by the access point, never by its clients. The clients only
need to set the Service Set Identifier (SSID) that identifies the service set provided
by one or more access points. The SSID can be manually configured by the clients,
can be detected in an access point’s beacon, or can be obtained by querying for the
identity of the nearest access point. For clients that do not need to roam, set the
SSID for the wireless card to that used by the access point to which you want to
connect.
A wireless infrastructure can also support roaming for mobile workers. More than
one access point can be configured to create an Extended Service Set (ESS). By
placing the access points so that a continuous coverage area is created, wireless
users within this ESS can roam freely. All wireless network cards and adapters and
wireless access points within a specific ESS must be configured with the same
SSID.
Server
Switch
Desktop PC
Access Point
Wired LAN Extension
to Wireless Clients
Desktop PC
Notebook PC
Network Configuration
3-4
Infrastructure Wireless Bridge
The IEEE 802.11 standard defines a Wireless Distribution System (WDS) for bridge
connections between BSS areas (access points). The access point uses WDS to
forward traffic on links between units.
The access point supports WDS bridge links on either the 5 GHz (802.11a) or
2.4 GHz (802.11b/g) bands and can be used with various external antennas to offer
flexible deployment options.
Up to six WDS bridge links can be specified for each unit in the wireless bridge
network. One unit only must be configured as the “root bridge” in the wireless
network. The root bridge should be the unit connected to the main core of the wired
LAN. Other bridges must configure one “parent” link to the root bridge or to a bridge
connected to the root bridge. The other five available WDS links can be specified as
“child” links to other bridges. This forms a tiered-star topology for the wireless bridge
network.
When using WDS on a radio band, only wireless bridge units can associate to each
other. Wireless clients can only associate with the access point using a radio band
set to access point.
<BSS 2>
<ESS>
<BSS 1>
Server
Switch
Desktop PC
Access Point
Seamless Roaming
Between Access Points
Desktop PC
Notebook PC
Access Point
Notebook PC
Switch
Network Topologies
3-5
Wireless Bridge Links
Between Access Points
802.11a Radio
Bridge Link
802.11g Radio
AP Link 802.11a Radio
Bridge Link
802.11g Radio
AP Link
802.11g Radio
AP Link
Root Bridge
Bridge
802.11a Radio
Bridge Link
802.11g Radio
AP Link Bridge
Bridge
Network
Core
Network Configuration
3-6
A-1
Appendix A: Troubleshooting
Diagnosing Access Point Indicators
Troubleshooting Chart
Symptom Action
Power LED is Off • AC power adapter may be disconnected. Check connections between
the access point, the power adapter, and the wall outlet.
• PoE power to the access point may be disabled at the connected
switch port. Check the switch configuration to be sure that PoE power
is enabled for the switch and specified port. Also check that the switch
has not exceeded its power budget and turned off the port power.
Power LED is Amber • The access point has detected a system error. Reboot the access
point to try and clear the condition.
• If the condition does not clear, contact your local dealer for assistance.
Ethernet/Link LED is Off • Verify that the access point and attached device are powered on.
• Be sure the cable is plugged into both the access point and
corresponding device.
• Verify that the proper cable type is used and its length does not exceed
specified limits.
• Check the cable connections for possible defects. Replace the
defective cable if necessary.
Note: For troubleshooting wireless connectivity problems, refer to the management guide.
Troubleshooting
A-2
B-1
Appendix B: Cables and Pinouts
Twisted-Pair Cable Assignments
For 10/100BASE-TX connections, a twisted-pair cable must have two pairs of wires.
Each wire pair is identified by two different colors. For example, one wire might be
green and the other, green with white stripes. Also, an RJ-45 connector must be
attached to both ends of the cable.
Note: Each wire pair must be attached to the RJ-45 connectors in a specific
orientation. (See “Straight-Through Wiring” on page B-2 and “Crossover
Wiring” on page B-3 for an explanation.)
Note: DO NOT plug a phone jack connector into the RJ-45 port. Use only twisted-pair
cables with RJ-45 connectors that conform with FCC standards.
The following figure illustrates how the pins on the RJ-45 connector are numbered.
Be sure to hold the connectors in the same orientation when attaching the wires to
the pins.
10/100BASE-TX Pin Assignments
Use unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cable for RJ-45
connections: 100-ohm Category 3 or better cable for 10 Mbps connections, or
100-ohm Category 5 or better cable for 100 Mbps connections. Also be sure
that the
length of any twisted-pair connection does not exceed 100 meters (328 feet).
The RJ-45 port on the access point supports automatic MDI/MDI-X operation, so
you can use straight-through or crossover cables for all network connections to PCs,
switches, or hubs. In straight-through cable, pins 1, 2, 3, and 6, at one end of the
cable, are connected straight through to pins 1, 2, 3, and 6 at the other end of the
cable.
1
88
1
Cables and Pinouts
B-2
Straight-Through Wiring
If the twisted-pair cable is to join two ports and only one of the ports has an internal
crossover (MDI-X), the two pairs of wires must be straight-through.
Pin MDI Signal Name MDI-X Signal Name
1 Receive Data plus (RD+)
and GND (Positive Vport)Transmit Data plus (TD+)
and -48V feeding power (Negative Vport)
2 Receive Data minus (RD-)
and GND (Positive Vport)Transmit Data minus (TD-)
and -48V feeding power (Negative Vport)
3Transmit Data minus (TD+)
and -48V feeding power (Negative Vport)Receive Data plus (RD+)
and GND (Positive Vport)
4GND (Positive Vport) -48V feeding power (Negative Vport)
5GND (Positive Vport) -48V feeding power (Negative Vport)
6Transmit Data minus (TD-)
and -48V feeding power (Negative Vport)Receive Data minus (RD-)
and GND (Positive Vport)
7-48V feeding power (Negative Vport) GND (Positive Vport
8-48V feeding power (Negative Vport) GND (Positive Vport
Note: The “+” and “-” signs represent the polarity of the wires that make up each wire pair.
White/Orange Stripe
Orange
White/Green Stripe
Green
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
EIA
TIA 568B RJ-45 Wiring
tandard
10/100BASE-TX Straight-through Cable
End A End B
Blue
White/Blue Stripe
Brown
White/Brown Stripe
Console Port Pin Assignments
B-3
Crossover Wiring
If the twisted-pair cable is to join two ports and either both ports are labeled with an
“X” (MDI-X) or neither port is labeled with an “X” (MDI), a crossover must be
implemented in the wiring.
Console Port Pin Assignments
The DB-9 console port on the front panel of the access point is used to connect to
the access point for out-of-band console configuration. The command-line
configuration program can be accessed from a terminal, or a PC running a terminal
emulation program. The pin assignments and cable wiring used to connect to the
console port are provided in the following table.
White/Orange Stripe
Orange
White/Green Stripe
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
EIA/TIA 568B RJ-45 Wiring Standard
10/100BASE-TX Crossover Cable
End A End B
Green
Blue
White/Blue Stripe
Brown
White/Brown Stripe
15
69
Cables and Pinouts
B-4
Wiring Map for Serial Cable
Table B-1. 10/100BASE-TX MDI and MDI-X Port Pinouts
Switch’s 9-Pin Serial Port Null Modem PC’s 9-Pin DTE Port
2 RXD <---------RXD ------------ 3 TxD
3 TXD -----------TXD ----------> 2 RxD
5 SGND -----------SGND ---------- 5 SGND
Note: he left hand column pin assignments are for the male DB-9 connector on the access point.
Pin 3 (TXD or “transmit data”) must emerge on the management console’s end of the connection
as RXD (“receive data”).
C-1
Appendix C: Specifications
General Specifications
Maximum Channels
802.11a:
RBT-4102
US & Canada: 13 (normal mode), 5 (turbo mode)
RBT-4102-EU
ETSI: 19 channels (normal mode)
802.11b/g:
RBT-4102
FCC/IC: 1-11
RBT-4102-EU
ETSI: 1-13
France: 10-13
Data Rate
802.11a:
Normal Mode: 6, 9, 12, 18, 24, 36, 48, 54 Mbps per channel
Turbo Mode: 12, 18, 24, 36, 48, 54, 96, 108 Mbps per channel
802.11g: 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps per channel
802.11b: 1, 2, 5.5, 11 Mbps per channel
Modulation Type
802.11a: BPSK, QPSK, 16-QAM, 64-QAM
802.11g: CCK, BPSK, QPSK, OFDM
802.11b: CCK, BPSK, QPSK
Network Configuration
Infrastructure
Specifications
C-2
Operating Frequency
802.11a:
5.15 ~ 5.25 GHz (lower band) US/Canada, Europe
5.25 ~ 5.35 GHz (middle band) US/Canada, Europe
5.725 ~ 5.825 GHz (upper band) US/Canada
5.50 ~ 5.70 GHz Europe
802.11b/g:
2.4 ~ 2.4835 GHz (US, Canada, ETSI)
AC Power Adapter
Input: 100-240 AC, 50-60 Hz
Output: 48 VDC, 0.38 A
Unit Power Supply
DC Input: 48 VDC, 0.38 A maximum
Input voltage: 48 volts, 0.27 A, 12.95 watts
Power consumption: 9.6 W maximum
PoE (DC)
Input voltage: 48 volts, 0.27A, 12.95 watts
Note: Power can also be provided to the access point through the Ethernet port
based on IEEE 802.3af Power over Ethernet (PoE) specifications. When both
PoE is provided and the adapter is plugged in, AC power will be turned off.
Physical Size
21.83 x 13.73 x 3.27 cm (8.60 x 5.40 x 1.29 in)
Weight
0.687 kg (1.514 lbs)
LED Indicators
Power, Ethernet Link/Activity, 11a and 11g Wireless Link/Activity
Network Management
Web-browser, RS232 console, Telnet, SSH, SNMP
Temperature
Operating: -5 to 50 °C (23 to 122 °F)
Storage: 0 to 70 °C (32 to 158 °F)
Humidity
15% to 95% (non-condensing)
General Specifications
C-3
Compliances
FCC Class B (US)
ICES-003 (Canada)
RTTED 1999/5/EC
Radio Signal Certification
FCC Part 15C 15.247, 15.207 (2.4 GHz)
FCC Part 15E 15.407 (5 GHz)
RSS-210 (Canada)
EN55022:1998, EN55024:1998, EN61000-3-2:2000, EN61000-3-3:1995,
EN 301.893, EN 300.328, EN 301.489-1, EN 301.489-17
Safety
UL/CUL (CSA 22.2 No. 60950-1 & UL60950-1)
EN60950-1 (TÜV/GS), EN60601, IEC60950-1 (CB)
Standards
IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX,
IEEE 802.11a, b, g
Sensitivity
IEEE 802.11a Sensitivity (GHz - dBm)
Modulation/Rates 5.15-5.250 5.25-5.350 5.50-5.700 5.725-5.825
BPSK (6 Mbps) -88 -88 -88 -88
BPSK (9 Mbps) -87 -87 -87 -87
QPSK (12 Mbps) -86 -86 -86 -86
QPSK (18 Mbps) -83 -83 -83 -83
16 QAM (24 Mbps) -80 -80 -80 -80
16 QAM (36 Mbps) -76 -76 -76 -76
64 QAM (48 Mbps) -73 -73 -73 -73
64 QAM(54 Mbps) -70 -70 -70 -70
IEEE 802.11g
Data Rate Sensitivity (dBm)
6 Mbps -88
9 Mbps -86
12 Mbps -85
17 Mbps -84
24 Mbps -80
Specifications
C-4
36 Mbps -76
48 Mbps -73
54 Mbps -70
IEEE 802.11b
Data Rate Sensitivity (dBm)
1 Mbps -90
2 Mbps -89
5.5 Mbps -87
11 Mbps -85
IEEE 802.11g
Data Rate Sensitivity (dBm)
General Specifications
C-5
Transmit Power
IEEE 802.11a Maximum Output Power (GHz - dBm)
Data Rate 5.15-5.250 5.25-5.350 5.50-5.700 5.725-5.825
6 Mbps 20 20 20 19
9 Mbps 20 20 20 19
12 Mbps 20 20 20 19
8 Mbps 20 20 20 19
24 Mbps 20 20 20 19
36 Mbps 20 20 19 19
48 Mbps 19 19 18 18
54 Mbps 18 18 17 16
IEEE 802.11g Maximum Output Power (GHz - dBm)
Data Rate 2.412 2.417~2.467 2.472
6 Mbps 20 20 20
9 Mbps 20 20 20
12 Mbps 20 20 20
18 Mbps 20 20 20
24 Mbps 20 20 20
36 Mbps 20 20 20
48 Mbps 20 20 20
54 Mbps 19 19 19
IEEE 802.11b Maximum Output Power (GHz - dBm)
Data Rate 2.412 2.417~2.467 2.472
1 Mbps 20 20 20
2 Mbps 20 20 20
5.5 Mbps 20 20 20
11 Mbps 20 20 20
Specifications
C-6
Operating Range
Note: The operating range distances listed in the following tables are for typical
environments only. Operating ranges can vary considerably depending on
factors such as local interference and barrier composition. It is recommended
to do a site survey to determine the maximum ranges for specific access point
locations in your environment.
802.11a Wireless Distance Table
Speed and Distance Ranges1
54 Mbps 48 Mbps 36 Mbps 24 Mbps 18 Mbps 12 Mbps 9 Mbps 6 Mbps
27 m
89 ft 40 m
132 ft 46 m
152 ft 55 m
182 ft 60 m
198 ft 66 m
218 ft 76 m
251 ft 80 m
264 ft
1. A typical environment (office or home) with floor to ceiling obstructions between the access point and
clients.
802.11g Wireless Distance Table
Speed and Distance Ranges1
54
Mbps 48
Mbps 36
Mbps 24
Mbps 18
Mbps 12
Mbps 11
Mbps 9
Mbps 6
Mbps 5
Mbps 2
Mbps 1
Mbps
43 m
141 ft 50 m
164 ft 57 m
187 ft 63 m
207 ft 67 m
220 ft 71 m
233 ft 75 m
246 ft 77 m
253 ft 81 m
266 ft 85 m
279 ft 85 m
279 ft 85 m
279ft
1. A typical environment (office or home) with floor to ceiling obstructions between the access point and
clients.
802.11b Wireless Distance Table
Speed and Distance Ranges1
11 Mbps 5.5 Mbps 2 Mbps 1 Mbps
70 m
230 ft
75 m
246 ft
85 m
279 ft
85 m
279 ft
1. A typical environment (office or home) with floor to ceiling obstructions between the access point and
clients.
General Specifications
C-7
External Antennas
The RBT-4102 has been certified by the FCC, for use in the United States, to
operate with these antennas:
Note: High gain point to point antenna, model RBTES-AH-P23M (Gain 23 dBi), is
certified under specific point to point condition and the use of point to multipoint
systems, omnidirectional applications, and multiple co-related intentional
radiators transmitting the same information is prohibited.
The RBT-4102-EU has been approved for use with these external antennas. Some
countries restrict or require a license when using outdoor antennas. Please refer to
the Conditions of Use at the beginning of this guide.
The antennas listed below are for EURO model RBT-4102-EU only and are not
available for sale or use in the US.
For further information on the external antennas supported by the access point, refer
to the following document on the Enterasys Web site:
http://www.enterasys.com/support/manuals/n-s.html#R
FCC External Antenna Configurations
Antenna Model Antenna Type Antenna Gain
RBT4K-AG-IA 2.4–2.5 GHz Omnidirectional Indoor Range Extender
5.15-5.35 GHz Omnidirectional Indoor Range Extender
5.725–5.825 GHz Omnidirectional Indoor Range
Extender
1 dBi with 8 ft. cable
RBTES-AH-M10M 5.725–5.825 GHz Omnidirectional, outdoor 10 dBi
RBTES-AH-P23M 5.725-5.825 GHz Directional, outdoor 23 dBi
ETSI External Antenna Configurations
Antenna Model Antenna Type Antenna Gain
RBT4K-AG-IA 2.4–2.5 GHz Omnidirectional Indoor Range Extender
5.15-5.35 GHz Omnidirectional Indoor Range Extender
5.725–5.825 GHz Omnidirectional Indoor Range
Extender
1 dBi with 8 ft. cable
RBTES-BG-M08M 2.4–2.5 GHz Omnidirectional, outdoor 8 dBi
RBTES-BG-S1490M 2.4–2.5 GHz Sector Panel, outdoor 14 dBi/90°
RBTES-AM-M10M 5.125-5.35 GHz Omnidirectional, outdoor 10 dBi
RBTES-AW-S1590M 5.25-5.35 GHz Adjustable Sector, outdoor
5.4-5.7 GHz Adjustable Sector, outdoor
15 dBi/90°
16 dBi/60°
Specifications
C-8
E112005-R06
150000031200E

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