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P/N 9034148-16 Installation Guide Enterasys RoamAbout ® RBT -4102, RBT -4102 -BG, RBT -4102C, RBT -4102C-EU, and RBT -4102-EU Wir e less Access Point.
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i NOTICE ENTERASYS NETWORKS reserves the right to make change s in specific ations and other information contain ed in this d ocument and it s web site without prior n otice. The reader should in all cases con sult ENTERA SYS NETWORKS to determine whether any such changes have been made.
Compliances ii COMPLIANCES RBT-4102, RBT-4102- BG, and RBT-4102-EU Federal Communi cation Commission Interference Stateme nt This equipment has been te sted and found to comply with the limit s for a Class B digital device, pursuant to Part 15 of the FCC Rules.
iii Wireless 5 GHz Band Statements: As the Access Point can operat e in the 5150-5250 MHz frequency band i t is limited by the FCC, Industry Canada and some other countries to indo or use only so as to reduce the potential for harmful interference to co-channel Mobile Satelli t e systems.
Compliances iv 003NY05152 003GZ05053 003WY05076 003UX05009 EC Conformance De claration Marking by the above symbol indic ates compliance with the Essenti al Requirements of the R&TTE Directive of the European Unio n (1999/5/EC).
v Operation Using 5 GHz Channels in the European Community The user/inst aller must use the prov ided configuration ut ility to check the current channel of operation and make necessary conf iguration changes to ens ure operation occurs in conformance with European Nati onal spectrum usage laws as descri bed below and elsewhere in this document.
Compliances vi • The 5 GHz Turbo Mode feature is not allowed for operation in any of the countries. The current setting for this feature is found in the 5 GHz 802 .
vii RBT-4102C and RBT-4102C-EU Federal Communi cation Commission Interference Stateme nt 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. Th ese limits are designed to provide reasonable protection against harmful interfere nce in a re sidential installation.
Compliances viii Cet appareil numérique respecte les limite s 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.
ix Countries of Operation & Condit ion s of Use in the European Community This device is intended to be operated in all countries of the European Community .
Compliances x Operation Using 5 GHz Channels in the European Community The user/installer must use the provided configur ation utility to check the current cha nnel of operation and make necessary con.
xi remain enabled to ensure that automatic 5 GHz channel selection complies with requirements. The current setting for this feature is found in the 5 GHz 802.11a Radio Settings Window as described in the user guid e. • This device is restricted to indoor use when operat ed using the 5.
Compliances xii DECLARATION OF CONFORMITY IN LANGUA G ES 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.
xiii Greek (GR) με την πα ρου σα Enterasys δηλωνει οτι radio LAN device συμμορφωνεται προ σ τισ ουσιωδεισ απ αιτησεισ και τισ λοιπεσ σΧετικεσ διαταξεισ τησ οδηγιασ 1999/5/ εκ .
Compliances xiv SAFETY COMPLIANCE Power Cord Safety Please read the following sa fety information carefully before in stalling the access point: W ARNING: Installation and removal of the unit must be carried out by qualified p ersonnel only .
xv 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).
Compliances xvi HAZARDOUS SUBSTANCES This product complies with the requirements of European Directive, 2002/95/EC, Restriction of Hazardous Substances (RoHS) in Electrical and El ectronic Equipment E.
xvii ENTERASYS NETWORKS, INC. FI RMWARE LICENSE AGREEMENT BEFORE OPENI NG OR UTILIZIN G THE ENCLO SED PRODUCT , CAREFULL Y READ THIS LICENSE AGREEME NT . This document is an agreement (“Agreement”) between the end user (“Y ou”) and Enterasys Networks, I nc.
Compliances xviii derivative works base d on the Program, in whole or in part. (iii) Publish, disclose, copy , reproduce or transmit the Program, in whol e or in part. (iv) Assign, sel l, license, subli cense, rent, lease, encu mber by way of security interest, pledge or otherwise transfer the Program, i n whole or in part.
xix 5. U NITED STATES GOVER NMENT RESTRICTED RIGHTS. The enclosed Program (i) was developed solely at private expense; (i i) contains “restricted compute r software” submitted with restricted rig hts in accordance with secti on 52.
Compliances xx 8. A UDIT RIGHTS. You hereby acknowledge that the intellectual property rights associated with the Program are of critical valu e to Enterasys and, accordingly, You hereby ag ree to maintain complete bo oks, records and accounts showin g (i) license fees due and paid, and (ii) the use, copying and deployment of the Pr ogram.
xxi 13. SEVERAB ILITY. In the event any provision of this Agreement is found to be invalid, illegal or unenforceab le, the validity, legality and enforceabili ty of any of the remainin g provisions shall not in an y way be affected or impaired thereby, and t hat provision shall be reformed, construed an d enforced to the maximum extent permissible.
Compliances xxii.
xxiii Table of Contents Preface Purpose ........................ ......................... ......................... ......................... ............... xxv Intended Audience ......... ........................................... ................
xxiv Contents Wiring Map for Serial Cable ..................... .......................... .............. .............B-4 Appendix C: Specifications General Specifications ..................... .............. .............. ..........................
xxv Preface Purpose This manual pro vides the specifications and the inst allation instructions f or the RoamAbout RBT -4102, RBT -4102C, RBT -410 2C-EU, and the RBT -4102-EU Wireless Access Points. It also includes the basic configuration in formation using Web management, and the Command Line I nterface (CLI).
xxvi Getting Help For additional support relate d to this device or document, contact Enterasys Networks using one of the foll owing methods. Before calling Enterasys Networks, please have the followi.
1-1 Chapter 1: Introduction Note: The RBT-4102C-EU, although listed in this document, is not available until March 2008. The RoamAbout RBT -4102, RBT -4102-BG , RBT -4102C, RBT -4102C-EU, and the RBT -4102-EU are IE EE 802.
Introduction 1-2 Package Checklist The RoamAbout package in cludes: • One RoamAbout access point • O ne RS-232 console ca ble • O ne AC power adapter a nd power cord • Four rubber feet • Three wall-mounting screws •B e z e l • Mounting bracket • Documentation CD (includes thi s document).
Hardware Description 1-3 Rear Pane l Security Slot Console Port RJ-45 Port, PoE Connector Reset Button External Antenna Connector (802.11b/g Ra dio) DC Power Supply External Antenna Connector (802.
Introduction 1-4 Component Description Antennas The access point includes integrated diversity antennas for wi reless communicat ions. A diversity antenna syst em uses two identical anten nas to receive and transmit signals, helping to avoid multip ath fading effect s.
Hardware Description 1-5 Security Slot The access point include s a Kensington security slot on the rear p anel. Y ou can prevent unauthorized removal of the access point by wrappi ng the Kensington security cable (not provided) around an unmovable obje ct, inserting the lock into the slot, an d turning the key .
Introduction 1-6 Ethernet Port The access point has one 10BASE-T/100BASE-TX RJ-4 5 port that can be attac hed directly to 10BASE-T/100BASE- TX LAN segments.
Hardware Description 1-7 Reset Butt on This button is used to rese t the access point or restore the factory default configuration. If you hold down the button for les s than 5 seconds, the access poin t will perform a hardware reset.
Introduction 1-8.
2-1 Chapter 2: Hardware Installation T o install the access point, foll ow the steps outl ined below: 1. Select a Site – Choose a proper place for the acc e ss point. In general, the bes t location is at the cent er of your wireless coverage area, withi n line of sight of all wireless devices.
Hardware Installation 2-2 • Using the mounting bracket, mark the position of the four screw holes on the wa ll or ceiling. For concret e or brick walls, you will need to drill holes and insert wa ll plugs for the screws.
2-3 3. Lock the Access Point in Place – T o prevent unauthorized re moval of the access point, you can use a Kensington Slim MicroSaver secu rity cable (n ot included) to attach the acc ess point to a fixed object. 4. Connect the Power Cord – Connect the power adapter to the access poi nt, and the power cord to an AC power outlet.
Hardware Installation 2-4.
3-1 Chapter 3: Access Point Configuration This chapter descri bes how to use t he Web interface to perform initial configuration of the access point. Y ou can manage the RoamAbout Access Point 4102 wi th: • The Command Line Interface (CLI) accessed throug h a direct connection to the console port.
Access Point Configurat ion 3-2 • Set the emulation mod e to VT100. • When using HyperTermi nal, select Terminal keys, not Windows keys. Note: When using HyperTerminal with Micr osoft® Windows® 2000, make sur e that you have Windows 2000 Service Pack 2 or later installed.
Using th e CLI 3-3 a. Enter country ? to display the list of countries. b. Determine the code for your country , and then enter countr y followed by your country code (for example, country SG for Singapore). c. Reboot the RoamAbout Access Point 4102. Enter reset board .
Access Point Configurat ion 3-4 c. Enter no ip dh cp to disable DHCP. d. Set the IP Address. Enter ip address ip-address netmask gateway , where ip-address is the access point’s IP address, netmask is the netwo rk mask for the n etwork, and gateway is the default gateway router.
Using th e CLI 3-5 5. S pecify the management VLAN ID for the access point: The management VLAN is for managing the access point. For example, the access point all ows traffic that is t agged with the specified VLAN to mana ge the access point via remot e management, SSH, SNMP , T elnet, and so forth.
Access Point Configurat ion 3-6 Using Web Management Notes: • The default username is admin , and the default password is password . • To get help, click on Help , located at the bottom of the screen. • You must cl ick on the Apply button, located at t he bottom of the each Web interface page for the configuration to t ake effect.
Using Web Management 3-7 2. Enter the default username admin and t he default password p assword , and click LOGIN . • If applicable, the Country Code page appears, go to step 3. • If the Country Code page does not app ear, go to step 4. 3. If applicable, set the Country Code: a.
Access Point Configurat ion 3-8 c. Click the Reset butt on next to Reset Access Point, locate d at the bottom of the page. The access point prompt s you to confirm that you want to reboot the system. d. Click OK . The access point reboot s, and the Login window appears.
Using Web Management 3-9 f. Go to step 4. 4. Enter the following informatio n, and click Apply . • System Name is an alias use d for the access point, enabling t he device to be uniquely iden tified on the network. Def ault: RoamAbout AP. Length: 1 to 22 characters • System Location is a text string that descri bes the system location.
Access Point Configurat ion 3-10 b. Click the DHCP Client: Disable radio button. DHCP al lows you to enable or disable th e option to obtain the I P settings for the access point from a DHCP (Dynamic Host Configuration Pr otocol) server.
Using Web Management 3-11 • Default Gatewa y is the IP address of the router for the access poi nt, which is used if the request ed destination address is not on the local subn et.
Access Point Configurat ion 3-12 6. T o change the username and password. a. Click Administration f rom the menu on the lef t hand side of the page. The Administrati on page appears. b. Specify a new username in the Use rname field. c. Specify a new password in the P assword f ield.
Using Web Management 3-13 The access point displays a Se ttings Saved message. f. Click OK . 7. T o specify the management VLAN ID: a. Click Filter Co ntro l from the menu.
Access Point Configurat ion 3-14 b. Click the Management VLAN ID: field and enter the VLAN ID from whic h you will manage the AP. The management VLAN is for managing the access poi nt.
4-1 Chapter 4: Network Configuration Wireless networks support a st andalone configuration as well as an integrated configuration with 10/100 Mbps Ethernet LANs . The RoamAbout RBT -4102 also provides bridging services t hat can be configured independ ently on either the 5 GHz o r 2.
Network Co nfiguration 4-2 Network Topologies Ad Hoc Wireless LAN (no Access Point) An ad hoc wireless LAN consist s of a group of computers, each equipped with a wirele ss adapter , connected via radio signals as an i ndependent wireless LAN. Computers in a specific ad hoc wireless LAN must therefore be configured t o the same radio channel.
Network T opologies 4-3 Infrastructure Wireless LAN The access point also provides access to a wired LAN for wire less workstat ions. An integrated wired/wireless LAN is cal l ed an Infrastructure confi guration. A Basic Service Set (BSS) consist s of a group of wireless PC users, and an acce ss point that is dire ctly connected to the wired LAN.
Network Co nfiguration 4-4 Infrastructure Wireless LA N for Roaming Wireless PCs The Basic Service Set (BSS) defines the communi cations domain for each access point and its associated wireless cli ents.
Network T opologies 4-5 Infrastructure Wireless Bridge The IEEE 802.1 1 standard defines a Wirele ss Distribution System (WDS) for bridge connections between BSS areas (access points) . The a ccess point uses WDS to forward traffi c on links bet ween unit s.
Network Co nfiguration 4-6.
A-1 Appendix A: Troubleshooting Diagnosing Access Point Indicators T roubleshooting Chart Symptom Action Power LED is Of f • AC power adapter may be disconnected. Check conne ctions between the access point, the power adap ter, and the wall outlet. • PoE power to the access point ma y be disabled at the co nnected switch port.
T r oubleshooting A-2.
B-1 Appendix B: Cables and Pinouts Twisted-Pair Cabl e Assignments For 10/100BASE-TX connections, a twist ed-pair cable must have two pairs of wires. Each wire pai r is identified by two dif ferent colors. For example, one wire might be gree n and the other , green with white stripes.
Cables and Pinout s B-2 10/100BASE-TX Pin Assignments Use unshielded twi sted-pair (UTP) or shielded twist ed-pair (STP) cable for RJ-45 connections: 100-ohm Cat egory 3 or better cable for 10 Mbp s connections. Also be sure that the length of any twisted-p air connec tion does not exceed 100 meters (328 feet).
T wisted-Pair Cab l e Assignme nts B-3 Straight-Through Wiring If the twisted-pa ir cable is to join two ports and only one of the port s has an internal crossover (MDI-X), the two pairs of wires must be stra ight-through.
Cables and Pinout s B-4 Console Port Pin Assignments The DB-9 console port on the front p anel of the access point is used to connect to t he access point for out-of-band console configuratio n. The command-line configuration program can be accessed from a terminal, or a PC runni ng a terminal emulation program.
C-1 Appendix C: Specifications Note: The RBT-4102C-EU, although listed in this document, is not available until March 2008. General Specifications Maximum Channels 802.
Specifications C-2 Modulation Type 802.1 1a : BPSK, QPS K, 16-QAM, 64-QAM 802.1 1g : CCK, BPSK, QPSK, OFDM 802.1 1b : CCK, BPSK, QPSK Network Configuration Infrastructu re Operating Frequency 802.1 1a : RBT -4102, RBT -4102-BG , RBT -4102-EU: 5.15 ~ 5.
General Specificatio ns C-3 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/A ctivity , 1 1a and 1 1g Wireless Link/Activ.
Specifications C-4 Compliances RBT -4102, RBT -4102-BG , RBT -4102C FCC Class B (US) ICES-003 (Canada) RBT -4102C-EU, RBT -4102-EU RTTED 1999/5/EC ARB STD-T70, AR B STD-66, RCR STD-33, ARB STD-T71 (Japan) EN60601-1-2 Radio Signal Certification RBT -4102, RBT -4102-BG , RBT -4102-EU FCC Part 15C 15.
Sensitiv ity C-5 Sensitivity IEEE 802.1 1a Sensitivity (GHz - dBm) Modulation/Rate s 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.
Specifications C-6 Transmit Power IEEE 802.1 1a Maximum Output Powe r (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 18 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.
Operating Range C-7 Operating Range Note: The operating range distances listed in the following tables are for typical environments only. Operating ra nges c an vary considerably depending on factors such as local interference and barrier co mposition.
Specifications C-8 External Antennas The RBT -4102, RBT -4102-BG , and the RBT -4102C are certified by the FCC, for use in the United S tates, t o operate with these ant ennas: Note: High gain point t.
External Antennas C-9 For information on the external antennas supported by th e access point, refer to the RoamAbout RBT -4102 / RBT -1602 Wireless Access Poi nt Antenna Site Prep aration and Install ation Guide available from th e Enterasys Networks web site: http://www .
Specifications C-10.
Index-1 Index A antennas, positioning 2-3 B Basic Service Set See BSS BSS 4-3 C cable assignments B-1 change username and password 3-4 channels, maximum C-1 CLI change username and password 3-4 countr.
Index-2 power connection 2-3 Power over Ethernet See PoE power supply, specification s C-2 R reset button 1-7 S set username and password web management 3-12 specifications C-1 subnet mask 3-10 system.
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