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Allied Telesis AT-FS238a/2 User's Manual

1. Figure 1 AT FS238a x Series Front Panel AT FS238a 1 Model Figure 2 illustrates the front panel of the AT FS238b x Series Bridging Converter 100Base FX gt SINGLE MODE 1550TX 1310RX lt Du wa ML PWR ai gt u Zeen JA MM Allied Telesyn AT FS238b 1 BRIDGING CONVERTER IEEE 802 3 802 3U AUTO MDI MDI X Figure 2 AT FS238b x Series Front Panel AT FS238b 1 Model AT FS238a x and AT FS238b x Series Installation Guide The back panel of the AT FS238a x and AT FS238b x Series Bridging Converters features a receptacle power connector and DIP switches for manually configuring the ports Note The AT FS238a x and AT FS238b x Bridging Converters are designed with 2 different receptacle connectors 12VDC only or 12 50VDC version models Figure 3 illustrates the back panel of the AT FS238a x or the AT FS238b x Series Bridging Converters with 3 prong receptacle connector for the 12VDC version model DIP Switches NOI 8 v X J a nm OCO lt 12VDC B 3 jul La ss A G 27 0 8 z E oo a 12VDC Receptacle Connector DC Polarity Symbols Figure 3 Back Panel of the AT FS238a x and AT FS238b x Series Bridging Converters 12VDC Receptacle Connector Figure 4 illustrates the back panel of the AT FS238a x and the AT FS238b x Series Bridging Converters with the 3 prong receptacle connector for the 12 50VDC version model DIP Switches
2. 9 125 1310 nm 33 0 n a 2 0 SC 1 SMF Single Mode Fiber 29 Technical Specifications Table 8 Fiber Optic Datalink Fiber Minimum Minimum Maximum Model Type Power Link Operating Operating yp Budget Distance Distance AT FS238a 1 9 125 SMF 6 0 dB 0 15 km 9 4 mi Simplex AT FS238a 2 9 125 SMF 16 0 dB 0 40 km 25 mi Simplex AT FS238b 1 9 125 SMF 6 0 dB 0 15 km 9 4 mi Simplex AT FS238b 2 9 125 SMF 16 0 dB 0 40 km 25 mi Simplex 1 SMF Single Mode Fiber 2 The recommended minimum range is stated in all cases where the maximum transmitter output power exceeds the receivers saturation level This is to prevent blinding or burning out of the optical receiver on the far end node 3 Distance is calculated based on ideal situations without any other loss factor Table 9 Fiber Optic Loss Specification Benchmark Fiber Type Fiber Optic Optical Typical Loss Connector Diameter Wavelength Factor Bandwidth SMF Simplex 9 125 microns 1310 nm 0 40 dB km N A SC 1 SMF Single Mode Fiber RJ 45 Pinout Assignments Figure 13 shows the pin assignments of the RJ 45 connector 30 Pin 8 Figure 13 RJ 45 Pin Assignments AT FS238a x and AT FS238b x Series Installation Guide Table 10 lists the 10Base T 100Base TX connector pins and their signals when the port is operating in either MDI or MDI X configuration
3. Table 10 RJ 45 Pinouts MDI X Signal MDI Signal 1 RX 1 TX 2 RX 2 TX 3 TX 3 RX 4 4 5 5 6 TX 6 RX 7 7 8 8 31 Appendix B Translated Safety and Emission Information Important This appendix contains multiple language translations for the safety statements in this guide Wichtig Dieser Anhang enth lt bersetzungen der in diesem Handbuch enthaltenen Sicherheitshinweise in mehreren Sprachen Vigtigt Dette tilleeg indeholder overs ttelser i flere sprog af sikkerhedsadvarslerne i denne h ndbog Belangrijk Deze appendix bevat vertalingen in meerdere talen van de veiligheidsopmerkingen in deze gids Important Cette annexe contient la traduction en plusieurs langues des instructions de s curit figurant dans ce guide T rke T m liite sis lt t ss oppaassa esiintyv t turvaohjeet usealla kielell Importante questa appendice contiene traduzioni in piu lingue degli avvisi di sicurezza di questa guida Viktig Dette tillegget inneholder oversettelser til flere spr k av sikkerhetsinformasjonen i denne veiledningen Importante Este anexo cont m tradug es em v rios idiomas das advert ncias de seguranca neste guia Importante Este ap ndice contiene traducciones en multiples idiomas de los mensajes de seguridad incluidos en esta gu a Obs Denna bilaga inneh ller flerspr kiga vers ttningar av s kerhetsmeddelandena i
4. Table 2 defines the LEDs for the bridging converters Table 2 Status LEDs LED Color Description PWR Green Power is applied to the unit AUTO NEG Green Auto negotiation on the twisted pair port is enabled OFF Auto negotiation on the twisted pair port is disabled 100M Green The twisted pair port is operating at 100 Mbps OFF The twisted pair port is operating at 10 Mbps LNK Green A valid link has been established on the port Blinking Data is being received or transmitted on the port FD COL Green The bridging converter is operating in full duplex mode OFF The bridging converter is operating in half duplex mode Blinking A collision has been detected on the port Mode Status ML Green MissingLink is enabled SML Green Smart MissingLink is enabled LT Green Link Test is enabled AT FS238a x and AT FS238b x Series Installation Guide Twisted Pair Port The AT FS238a x and AT FS238b x Series Bridging Converters have one 10Base T 100Base TX twisted pair port The twisted pair port features a RJ 45 connector Port Speed The twisted pair port is compliant with the 10Base T and 100Base TX standards and is capable of either 10 Mbps or 100 Mbps operation You can set the port speed manually or since the port is IEEE 802 3u auto negotiation compliant you can allow the bridging converter to set the port speed automatically With auto negotiation the speed of the port is set auto
5. Europe EU Utilizar un adaptador de corriente alterna autorizado T V de 12V 15V de corriente continua y 500 miliamperios a 13 Temperatura Requerida Para La Operaci n Este producto est disefiado para una temperatura ambiental m xima de 40 grados C a 14 Para Todos Los Pa ses Monte el producto de acuerdo con los C digos El ctricos locales y nacionales amp 15 A ADVERTENCIA No pele el cable m s de la cantidad recomendada ya que si despu s de instalar el bloque terminal quedan cables pelados habr riesgos de seguridad a 16 CUIDADO Riesgo de seguridad Cerci rese de que no haya hilos de cobre pelados que salgan del alambre instalado Cuando dicha instalaci n se realiza correctamente los hilos de cobre pelados no deben salir del bloque terminal Todo alambre pelado puede conducir niveles de electricidad nocivos a la persona que lo toca a 17 ADVERTENCIA No pele el cable m s de la cantidad recomendada ya que si despu s de instalar el bloque terminal quedan cables pelados habr riesgos de seguridad ar 18 ADVERTENCIA Cuando instale dicho equipo aseg rese siempre de que el bastidor se conecte a tierra primero y se desconecte por ltimo 53 Translated Safety and Emission Information a 19 54 CUIDADO Riesgo de seguridad Cerci rese de que no haya hilos de cobre pelados que salgan del alambre instalado Cuando dicha instalaci n se realiza correctamente los hilos de cobre pelados no deben
6. PORT D 1221 12 50VDC Sib sit 8 12 50VDG 3 Prong Receptacle Connector DC Polarity Symbols Figure 4 Back Panel of the AT FS238a x and AT FS238b x Series Bridging Converters 12 50VDG 3 Prong Receptacle Connector Overview Table 1 lists the maximum operating distances for the bridging converters Table 1 Maximum Operating Distances 100Base FX 10Base T 100Base TX Model Maximum Operating Maximum Operating Connector Distance Connector Distance AT FS238a 1 SC 15 km 9 3 mi RJ 45 100 m 328 ft AT FS238b 1 AT FS238a 2 SC 40 km 24 8 mi RJ 45 100 m 328 ft AT FS238b 2 1 Maximum distance for 100 Mbps optical datalinks is dependent on the following factors type of optical fiber duplex mode of both end nodes and maximum optical loss budget for each of the optical fiber at the operating optical wavelength 2 Maximum distance can only be obtained when the UTP STP cabling is installed and verified to TIA EIA 568A Commercial Building Telecommunications Cabling Standard External Power Supply The AT FS238a x and AT FS238b x Series Bridging Converters are designed with either the 12VDC or the 12 50VDC receptacle power connector Any of the following power sources can be used with the AT FS238a x or AT FS238b x Series Bridging converter Q An AC DC power adapter used specifically with the 12VDC rated version model Q An AT PWR237 power adapter 12V or 15V output used with the 12 50
7. CA 94085 USA Manufacturer Telephone 408 730 0950 Declares that the product Bridging Converter Model Numbers AT FS238a 1 AT FS238b 1 AT FS238a 2 AT FS238b 2 This product complies with FCC Part 15B Class B Limits This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device must not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Radiated Energy Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of 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 instructions may 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 or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the 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 Changes and modifications not expres
8. a 1 Emission d interf rences radio lectriques EN55022 Classe B a 2 Mise En Garde Dans un environnement domestique ce produit peut provoquer des interf rences radio lectriques Auquel cas l utilisateur devra prendre les mesures ad quates 3 Immunite EN55024 a 4 Avertissement Il faut utiliser des c bles blind s pour ce produit afin de respecter les normes d emission et d immunite Si l utilisateur choisit d utiliser des cables non blind s il sera peut tre contraint de prendre les mesures n cessaires pour corriger les probl mes d interf rences ainsi que d assumer le co t correspondant e 5 S curit lectrique EN60950 UL60950 e 6 Laser EN60825 AT Attention Producit laser di classe 1 a 8 Attention Ne pas fixer le faisceau des yeux 6 9 Ce mat riel est un Produit a diode lectroluminescente de Classe 1 S curit amp 10 Danger De Foudre Danger Ne pas manier le mat riel ou les c bles lors d activit orageuse amp 11 Ne pas bloquer les fentes d a ration a 12 L alimentation du concentrateur doit tre uniquement fournie par l adaptateur Europe EU E Utiliser un adaptateur secteur conforme TUV de 12V 15V 500 mA en courant continu e 13 Temp rature De Fonctionnement Ce mat riel est capable de tol rer une temp rature ambiante maximum de 40 degr s Celsius amp 14 Pour Tous Pays Installer le mat riel conform ment aux normes lectriques nationales et locales a 15 N AV
9. amp 10 Perigo De Choque Causado Por Raio Perigo N o trabalhe no equipamento ou nos cabos durante per odos suscet veis a quedas de raio a 11 N o Blogueie As Aberturas De Ventilac o GY 12 Use somente o adaptador fornecido para alimentac o eletrica do hub Europe EU Use um adaptador de corrente alternada com saida DC de 12V 15V e 500mA em conformidade com as especificac es da TUV a 13 Temperatura De Funcionamento Este produto foi projetado para uma temperatura ambiente m xima de 40 graus centigrados a 14 Todos Os Paises Instale o produto de acordo com as normas nacionais e locais para instalac es el tricas a 15 A AVISO N o corte mais fio do gue recomendado Cortar mais do gue o recomendado pode ser perigoso por deixar fio exposto no terminal depois da instalac o a 16 A ATENCAO Perigo Verifique se h algum fio de cobre exposto a sair do fio instalado Quando esta instalac o feita correctamente n o deve haver qualquer fio de cobre exposto a sair do terminal Qualquer fio exposto pode conduzir n veis perigosos de electricidade para a pessoa que toque nos fios a 17 AVISO N o corte mais fio do que recomendado Cortar mais do que o recomendado pode ser perigoso por deixar fio exposto no terminal depois da instalac o ar 18 AVISO Ao ligar este equipamento instale sempre primeiro a ligac o terra e desligue a sempre em ltimo 51 52 Translated Safety and Emission Information a 19 A
10. denna handledning 33 Translated Safety and Emission Information Standards This product meets the following standards U S Federal Communications Commission Declaration Of Conformity Manufacturer Name Allied Telesyn Inc Manufacturer Address 960 Stewart Drive Suite B Sunnyvale CA 94085 USA Manufacturer Telephone 408 730 0950 Declares that the product Bridging Converter Model Numbers AT FS238a 1 AT FS238b 1 AT FS238a 2 AT FS238b 2 This product complies with FCC Part 15B Class B Limits This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device must not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Radiated Energy Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of 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 instructions may 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 or more of the following measures Reorient or relocate the rec
11. end node or send out a trap to a network management station and so alert the network administrator of the problem Overview Note MissingLink or Smart MissingLink is disabled when you perform a link test Consequently to ensure that the MissingLink or Smart MissingLink is enabled on the bridging converter always set the Mode Selection button so that the ML or SML LED is green during normal network operations Smart MissingLink Like MissingLink the Smart MissingLink feature terminates the link on the failed port thereby notifying you when a connection has been lost Additionally Smart MissingLink indicates on which port the connection has failed This is shown by a blinking LNK LED on the good port For example if the network twisted pair cable to the 10Base T 100Base TX port on the bridging converter were to fail the LNK LED on the 100Base FX fiber optic port will blink indicating a failed connection on the twisted pair port The fiber optic port is still able to receive a signal The bridging converter notifies the end node connected to the fiber optic port that the connection on the twisted pair port has been lost If the failure had started with the fiber optic cabling the LNK LED on the twisted pair port would blink The value to this type of network monitoring and fault notification is so that you can quickly see which port has failed and troubleshoot your network accordingly Bridging Converter Performance The bridgin
12. h irint EN55022 Luokka B GY 2 Varoitus Kotiolosuhteissa t m laite voi aiheuttaa radioaaltojen h ir it miss tapauksessa laitteen k ytt j n on mahdollisesti ryhdytt v tarpeellisiin toimenpiteisiin a 3 Kest vyys EN55024 ar 4 Varoitus T m tuote vaatii suojattuja kaapeleita toimiakseen emissio ja h iri nsietostandardien mukaisesti Jos tuotetta k ytet n ilman suojattuja kaapeleita k ytt j voi joutua korjaamaan h irinn n aiheuttaman ongelman omalla kustannuksellaan ar 5 S hk turvallisuus EN60950 UL60950 e 6 A Laser EN60825 AT Varoitus Luokan 1 Lasertuote 8 Variotus l katso s teeseen ar 9 T m on Ensimm isen luokan valodiodituote Turvallisuus amp 10 Salamaniskuvaara Engenvaara l ty skentele laitteiden tai kaapeleiden kanssa salamoinnin aikana a 11 Ala tuki ilmareiki ar 12 T htipisteeseen hub sy tett v n virran pit tulla ainoastaan sovittimesta Europe EU K yt TUV lisenssill valmistettua verkkosovitinta jonka tasaj nnitteen nimellisarvot ovat DC 12V 15V 500 mA milliampeeria a 13 K ytt l mp tila T m tuote on suunniteltu ymp r iv n ilman maksimil mp tilalle 40 C ar 14 Kaikki Maat Asenna tuote paikallisten ja kansallisten s hk turvallisuusm r ysten mukaisesti amp 15 A VAROITUS l poista johtimesta p llystett enemp kuin on suositeltu P llysteen poistaminen suositusta pidemm lt matkalta voi aiheu
13. of the connections being disturbed by casual contact with the wiring Warning Safety Hazard Check to see if there are any exposed copper strands coming from the installed wires When this installation is done correctly there should be no exposed copper wire strands extending from the terminal block Any exposed wiring can conduct harmful levels of electricity to persons touching the wires lt 16 4 Plug the power connector to the 12 50VDC receptacle connector in the rear of the converter as shown in Figure 10 21 72 Wi VO med pr En A 12 50VDC tl SHE SBF Figure 10 Connecting a Power Connector to the 12 50VDC Version Model 20 AT FS238a x and AT FS238b x Series Installation Guide Note UL recognized wires of 22 gauge minimum should be provided by the installer 5 With a 22 gauge wire stripping tool strip the three wires in the tray cable coming from the DC input power source to 8mm 1mm 0 31in 0 039in as shown in Figure 11 on page 21 Warning Do not strip more than the recommended amount of wire Stripping more than the recommended amount can create a safety hazard by leaving exposed wire on the terminal block after installation 17 8mm 4mm 4 0 31 in 0 039in p As ai Figure 11 Stripped Wire 6 Connect the ground wire to the terminal marked with the ground symbol by inserting the wire into power connector that comes with the converter and tightening the connection
14. on page 4 and for the cable types refer to Table 4 on page 15 Check that the operating specifications of the fiber optic port on the end node are compatible with the operating specifications of the fiber optic port on the bridging converter For the fiber optic port specifications refer to Fiber Optic Port Specifications on page 29 If you are still experiencing problems after testing and troubleshooting the installation contact Allied Telesyn Technical Support for assistance Refer to Contacting Allied Telesyn Technical Support on page x or visit our web site at www alliedtelesyn com for support information 26 Appendix A Technical Specifications Physical Dimensions Weight Environmental Maximum Operating Temperature Maximum Storage Temperature Relative Humidity Storage Relative Humidity Operating Operating and Storage Altitude Electrical Rating Input Supply Voltage Rated Currents Power Consumption WxDxH 10 5 cm x 9 5 cm x 2 5 cm 4 12 in x 3 75 in x 1 0 in 294 g 10 4 oz 0 C to 40 C 32 F to 104 F 25 C to 70 C 13 F to 158 F 5 to 95 non condensing 5 to 90 non condensing Up to 3 048 meters 10 000 feet 12VDC or 12 50VDC 0 5A or 0 13A maximum 6 W maximum 27 Technical Specifications Agency Certifications Safety Standard Immunity EMI RFI 28 Conforms to all standards normally supported by Allied Telesyn products
15. with a flathead screwdriver as shown in Figure 12 A Warning When installing this equipment always ensure that the frame ground connection is installed first and disconnected last amp 18 AN gt A E ES PORT b Y S0VDC eli Slit Ss Figure 12 Connecting the Stripped Wire 7 Connect the negative feed wire to the terminal block marked 8 Connect the positive feed wire to the terminal block marked 21 Installing the Bridging Converter 9 10 11 12 22 Connect the other end of the wires to the terminal block on the AT PWR237 power adapter Note The terminal block on the AT PWR237 does not have a connection for the ground feed wire Warning Safety Hazard Check to see if there are any exposed copper strands coming from the installed wires When this installation is done correctly there should be no exposed copper wire strands extending from the terminal block Any exposed wiring can conduct harmful levels of electricity to persons touching the wires amp 19 With the wires securely connected to both the input power connector in the rear of the unit and the terminal block on the power source plug the other end of the power source to the power outlet Refer to Technical Specifications on page 27 for power requirements Power ON the end nodes Verify that the LNK LEDs for both the fiber optic port and the twisted pair port are green If either LED is OFF refer
16. 7 Translated Safety and Emission Information a 18 38 WARNUNG Bei der Installation dieser Einrichtung ist stets sicherzustellen da der Masseanschlu jeweils zuerst installiert und zuletzt getrennt wird VORSICHT Sicherheitsrisiko Pr fen Sie da aus dem installierten Draht keine freiliegenden Kupferlitzen herausragen Bei korrekter Installation sollten aus dem Anschlu klemmblock keine freiliegenden Kupferlitzen vorstehen Freiliegende Kabel f hren genug Spannung um Personen zu gef hrden die diese Dr hte ber hren AT FS238a x and AT FS238b x Series Installation Guide Standarder Dette produkt tilfredsstiller de fglgende standarder 1 Radiofrekvens forstyrrelsesemission EN55022 Klasse B ea Advarsel I et hjemligt miljg kunne dette produkt for rsage radio forstyrrelse Bliver det tilf ldet p kr ves brugeren muligvis at tage tilstr kkelige foranstaltninger 3 Immunitet EN55024 a 4 Advarsel Dette produkt skal bruges med afsk rmede kabler for at overholde bestemmelserne vedrgrende udstr ling og stgjimmunitet Hvis det bruges med uafsk rmede kabler kan det blive p kr vet af brugeren at korrigere interferensproblemer for egen regning 5 Elektrisk sikkerhed EN60950 UL60950 6 Laser EN60825 AT Advarsel Laserprodukt av klasse 1 a 8 Advarsel Stirr ikke p str len 9 Dette er et Produkt under Klasse 1 LED Sikkerhed amp 10 Fare Under Uvejr Fare Undlad at arbejde p udstyr eller kabler i pe
17. Allowable Loss Distance Budget AT FS238a 1 9 125 micron SMF Simplex 15 km 9 3 mi 6 dB at 1310 nm AT FS238b 1 9 125 micron SMF Simplex 15 km 9 3 mi 6 dB at 1310 nm AT FS238a 2 9 125 micron SMF Simplex 40 km 24 8 mi 16 dB at 1310 nm AT FS238b 2 9 125 micron SMF Simplex 40 km 24 8 mi 16 dB at 1310 nm 1 Maximum distance for 100 Mbps optical datalinks is dependent on the following factors quality of fiber optic duplex mode of both end nodes and maximum optical loss budget for the optical fiber at each optical wavelength Note Refer to Fiber Optic Port Specifications on page 29 for additional information on the fiber optic port Selecting a Site Be sure to observe the following guidelines when selecting a site for your bridging converter O Select a site that is dust free and moisture free Q Select a site that will allow you to easily access the data cables and power cord A Use dedicated power circuits or power conditioners to supply reliable power to the device A Use the power sources as described in External Power Supply on page 3 A For 12 50VDC version provide regulated DC power only from SELV sources per IEC 60950 such as regulated power supplies Note Use only power sources that are UL Listed QQGQ or EPBU TUV Licensed or other Safety Agencies approved suitable for country of use 15 Installing the Bridging Converter Installing the Bridging Converter To install a
18. Converter Planning the Installation Be sure to observe the following guidelines when planning the installation of your bridging converter a The AT FS238a x and AT FS238b x Series Bridging Converters must be connected back to back therefore one AT FS238a x and one AT FS238b x Series converters are required The end node connected to the 10Base T 100Base TX twisted pair port can operate at either 10 Mbps or 100 Mbps The end node connected to the twisted pair port on the bridging converter can be a network adapter card repeater router hub or another bridging converter The twisted pair cabling must be kept away from sources of electrical noise such as radios transmitters power lines broadband amplifiers electrical motor and fluorescent fixtures Refer to Table 3 for the cabling specifications for the twisted pair port Table 3 10Base T 100Base TX Twisted Pair Cabling Specifications Maximum Operating Operating Mode Cable Type Distance 10Base T Shielded or unshielded Category 3 or better 100 m 328 ft 100Base TX Shielded or unshielded Category 5 or better 100 m 328 ft 14 AT FS238a x and AT FS238b x Series Installation Guide A Refer to Table 4 for the cabling specifications for the fiber optic port operating in full duplex mode Table 4 100Base FX Fiber Optic Cabling Specifications Full duplex Maximum Maximum Model Cable Type Operating
19. DC Powered AT FS238a x or AT FS238b x Series Bridging Converter refer to Connecting a 12VDC Powered Unit on page 18 For instructions how to wire to an 12 50VDC Powered AT FS238a x or AT FS238b x Series Bridging Converter refer to Wiring and Connecting a 12 50VDC Powered Unit on page 19 Note This step does not apply if you are mounting the bridging converter in an AT MCR12 chassis Remove the dust cover from the fiber optic port and connect the fiber optic cable to the 100Base FX port Connect the twisted pair cable to the 10Base T 100Base TX port Power ON the end nodes Verify that the LNK LEDs for both the fiber optic port and the twisted pair port are green If either LED is OFF refer to Troubleshooting on page 25 for instructions The bridging converter runs a series of self diagnostic tests Once the self tests are complete the converter is ready for normal network operations Connecting a 12VDG Powered Unit For the 12VDC version bridging converter using an approved safety compliant AC power adapter perform the following steps 18 Note This power adapter is not used if you install the bridging converter in an AT MCR12 chassis AT FS238a x and AT FS238b x Series Installation Guide 1 Plug one end of the DC power cord to the power receptacle connector labelled 12VDC on the back panel of the bridging converter as shown in Figure 8 Plug the AC DC power adapter to a power outlet Refer to Tech
20. ERTISSEMENT Ne coupez pas une quantit de c ble sup rieure celle qui est recommand e Cela pourrait constituer un risque de s curit en laissant du c blage nu sur le bornier apr s l installation a 16 ATTENTION Risque de s curit V rifiez qu aucun fil de cuivre d nud ne sort du c ble install Lorsque cette installation est effectu e correctement aucun fil de cuivre ne devrait d passer du bornier Tout c blage d nud peut tre conducteur de tensions dangereuses pour les personnes touchant les c bles ar 17 AVERTISSEMENT Ne coupez pas une quantit de c ble sup rieure celle qui est recommand e Cela pourrait constituer un risque de s curit en laissant du c blage nu sur le bornier apr s l installation a 18 AVERTISSEMENT Lors de l installation de cet quipement v rifiez toujours que la connexion de terre du ch ssis est install e en premier et d branch e en dernier 43 44 Translated Safety and Emission Information a 19 ATTENTION Risque de s curit V rifiez qu aucun fil de cuivre d nud ne sort du c ble install Lorsque cette installation est effectu e correctement aucun fil de cuivre ne devrait d passer du bornier Tout c blage d nud peut tre conducteur de tensions dangereuses pour les personnes touchant les c bles AT FS238a x and AT FS238b x Series Installation Guide Standardit T m tuote on seuraavien standardien mukainen 1 Radioaaltojen
21. G Skala inte av mer isolering n vad som anges ovan Skalas f r mycket isolering av kan fara uppst om oskyddad tr d vidr ras p anslutningsplinten efter anslutningen a 16 OBS FARA Kontrollera om sm koppartr dar sticker ut ifr n den anslutna tr den Om anslutningen utf rts riktigt sticker inga tr dar ut fr n anslutningsplinten Oisolerade tr dar kan verf ra skadlig elektricitet till person som vidr r tr darna s 17 VARNING Skala inte av mer isolering n vad som anges ovan Skalas f r mycket isolering av kan fara uppst om oskyddad tr d vidr ras p anslutningsplinten efter anslutningen a 18 VARNING Vid anslutning av denna utrustning skall man alltid se till att jordtr den ansluts f rst och lossas sist a 19 OBS FARA Kontrollera om sm koppartr dar sticker ut ifr n den anslutna tr den Om anslutningen utf rts riktigt sticker inga tr dar ut fr n anslutningsplinten Oisolerade tr dar kan verf ra skadlig elektricitet till person som vidr r tr darna 55
22. N gt Allied Telesyn Simply connecting the world AT FS238a 1 AT FS238b 1 AT FS238a 2 AT FS238b 2 Bridging Converters Installation Guide PN 613 50431 00 Rev A Copyright 2003 Allied Telesyn Inc 960 Stewart Drive Suite B Sunnyvale CA 94085 USA All rights reserved No part of this publication may be reproduced without prior written permission from Allied Telesyn Inc Ethernet is a registered trademark of Xerox Corporation All other product names company names logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners Allied Telesyn Inc reserves the right to make changes in specifications and other information contained in this document without prior written notice The information provided herein is subject to change without notice In no event shall Allied Telesyn Inc be liable for any incidental special indirect or consequential damages whatsoever including but not limited to lost profits arising out of or related to this manual or the information contained herein even if Allied Telesyn Inc has been advised of known or should have known the possibility of such damages Electrical Safety and Emission Compliance Statement Standards This product meets the following standards U S Federal Communications Commission Declaration Of Conformity Manufacturer Name Allied Telesyn Inc Manufacturer Address 960 Stewart Drive Suite B Sunnyvale
23. TENC O Perigo Verifique se h algum fio de cobre exposto a sair do fio instalado Quando esta instalac o feita correctamente n o deve haver qualquer fio de cobre exposto a sair do terminal Qualquer fio exposto pode conduzir n veis perigosos de electricidade para a pessoa que toque nos fios AT FS238a x and AT FS238b x Series Installation Guide Est ndares Este producto cumple con los siguientes est ndares amp 1 Emisi n RFI EN55022 Clase B GY 2 Advertencia en un entorno dom stico este producto puede causar radiointerferencias en cuyo caso puede requerirse del usuario que tome las medidas que sean convenientes al respecto e 3 Inmunidad EN55024 GS 4 Advertencia Este producto exige cables protectores para ajustarse a las normas de emisi n e inmunidad Si se utiliza con cables sin protecci n el usuario tendr que correr con los gastos por las medidas a tomar en caso de problemas de interferencias ar 5 Seguridad el ctrica EN60950 UL60950 e 6 Laser EN60825 AT jAdvertencia Producto l ser Clase 1 8 jAdvertencia No mirat fijamente el haz ar 9 Este es un Producto de diodo luminiscente LED Clase 1 Seguridad amp 10 Peligro De Rayos Eligro No realice ningun tipo de trabajo o conexion en los equipos o en los cables durante tormentas electricas amp 11 No bloquee las aberturas para ventilacion a 12 La energ a para el dispositivo central o hub debe provenir nicamente del adaptador
24. Telesyn This guide contains instructions on how to install the AT FS238a x and AT FS238b x Series Bridging Converters Where to Find Web based Guides The Allied Telesyn web site at www alliedtelesyn com offers you an easy way to access the most recent documentation software and technical information for all of our products For product guides select Support amp Services from our web site Document Conventions This guide uses the following conventions Note Notes provides additional information N Caution Cautions indicate that performing or omitting a specific action may result in equipment damage or loss of data Warning Warnings indicates that performing or omitting a specific action may result in bodily injury Welcome to Allied Telesyn Contacting Allied Telesyn Technical Support You can contact Allied Telesyn technical support online or by telephone or e mail Online Support You can request technical support online by accessing the Knowledge Base at http kb alliedtelesyn com You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions Telephone Support For Technical Support by telephone contact Allied Telesyn at one of the following locations Americas Germany United States Canada Mexico Switzerland Austria Eastern Europe Central America South America Tel 49 30 435 900 126 Tel 1 800 428 4835 Asia Italy Sin
25. VDC rated version model This power adapter must be used with the power connector provided shown in Figure 5 on page 5 A A regulated power supply SELV power source per IEC 60950 rated minimum 12 50VDC 0 5A used specifically with the 12 50VDC rated version model This power supply must be used with the power connector provided shown in Figure 5 on page 5 Note Use only power sources that are UL Listed QQGQ or EPBU TUV Licensed or other Safety Agencies approved suitable for country of use AT FS238a x and AT FS238b x Series Installation Guide Figure 5 illustrates the power connector provided with the unit Figure 5 Power Connector for the 12 50VDG Version Converter Key Features The AT FS238a x and AT FS238b x Series Bridging Converters have the following features a a D D D DO OU D D D DO 0 LEDs for unit and port status Auto MDI MDI X Mode selection button that toggles between Link Test MissingLink and Smart MissingLink DIP switches for configuring the ports Half or full duplex operation on both ports RJ 45 twisted pair connector SC fiber optic connector Data packet forwarding and filtering at full wire speed 10 Mbps to 100 Mbps and 100 Mbps to 100 Mbps Store and forward switching mode Automatic address learning and aging IEEE 802 3u compliant auto negotiation External power adapter depending on the model For use on a desktop or in an AT MCR12 chassis Overview Status LEDs
26. air cable is securely connected to the twisted pair port on the bridging converter and on the end node Check to be sure that the end nodes connected to the bridging converter are operating at the same duplex mode 25 Troubleshooting a Make sure that the twisted pair cable does not exceed 100 meters 328 feet and that you are using a Category 3 or better cable for 10Base T operation or a Category 5 or better cable for 100Base TX operation If the LNK ACT LED for the fiber optic port is OFF do the following a Verify that the end node connected to the port is ON and is operating properly Check that the fiber optic cable is securely connected to the fiber optic port on the bridging converter and on the end node Check to be sure that the end node connected to the port is operating at 100 Mbps Check to be sure that the end nodes connected to the bridging converter are operating at the same duplex mode Make sure that the cable connected to the bridging converter s receiver port RX is connected to the end node s transmitter port TX and that the bridging converter s transmitter port TX is connected to the end node s receiver port RX Test the attenuation on the fiber cable to ensure that it does not exceed acceptable values Verify that you are using the appropriate type of fiber optic cables and that you have not exceeded the maximum operating distances For the maximum operating distances refer to Table 1
27. anslated safety statement in your language Wichtig Anhang B enth lt bersetzte Sicherheitshinweise f r die Installation dieses Ger ts Wenn Sie amp sehen schlagen Sie in Anhang B den bersetzten Sicherheitshinweis in Ihrer Sprache nach Vigtigt Till g B indeholder oversatte sikkerhedsadvarsler der vedr rer installation af dette udstyr N r De ser symbolet 4 skal De sl op i till g B og finde de oversatte sikkerhedsadvarsler i Deres eget sprog Belangrijk Appendix B bevat vertaalde veiligheidsopmerkingen voor het installeren van deze apparatuur Wanneer u de 4 ziet raadpleeg Appendix B voor vertaalde veiligheidsinstructies in uw taal Important L annexe B contient les instructions de s curit relatives l installation de cet quipement Lorsque vous voyez le symbole amp reportez vous l annexe B pour consulter la traduction de ces instructions dans votre langue T rke Liite B sis lt t m n laitteen asentamiseen liittyv t k nnetyt turvaohjeet Kun n et amp symbolin katso k nnetty turvaohjetta liitteest B Importante l Appendice B contiene avvisi di sicurezza tradotti per l installazione di questa apparecchiatura Il simbolo 47 indica di consultare l Appendice B per l avviso di sicurezza nella propria lingua Viktig Tillegg B inneholder oversatt sikkerhetsinformasjon for installering av dette utstyret N r du ser 4 pner du til Tillegg B for finne den oversatte sikkerhetsin
28. e terminal block after installation a 18 WARNING When installing this equipment always ensure that the frame ground connection is installed first and disconnected last 35 Translated Safety and Emission Information e 19 36 CAUTION Safety Hazard Check to see if there are any exposed copper strands coming from the installed wire When this installation is done correctly there should be no exposed copper wire strands extending from the terminal block Any exposed wiring can conduct harmful levels of electricity to persons touching the wires AT FS238a x and AT FS238b x Series Installation Guide Normen Dieses Produkt erf llt die Anforderungen der nachfolgenden Normen amp 1 Hochfrequenzst rung EN55022 Klasse B ea Warnung Bei Verwendung zu Hause kann dieses Produkt Funkst rungen hervorrufen In diesem Fall m te der Anwender angemessene Gegenmafinahmen ergreifen e 3 St rsicherheit EN55024 e 4 Achtung F r dieses Produkt sind abgeschirmte Kabel erforderlich damit den Richtlinien f r Emission und Interferenzschutz entsprochen wird Falls das Produkt mit nicht abgeschirmten Kabeln verwendet wird k nnen weitergehende Mafinahmen f r die Korrektur von Interferenzproblemen auf Kosten des Benutzers notwendig werden e 5 Elektrische Sicherheit EN60950 UL60950 as 6 A Laser EN60825 amp T Warnung Laserprodukt der Klasse 1 48 Warnung Nicht direkt in den Strahl blicken 9 Das ist ein LED Produkt der Kla
29. eiving antenna Increase the separation between the equipment and the 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 Changes and modifications not expressly approved by the manufacturer or registrant of this equipment can void your authority to operate this equipment under Federal Communications Commission rules Industry Canada This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada 34 AT FS238a x and AT FS238b x Series Installation Guide 1 RFI Emission EN55022 Class B GY 2 Warning In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 673 Immunity EN55024 e 4 Warning This product requires shielded cables to comply with emission and immunity standards If it is used with unshielded cables the user may be required to take measures to correct the interference problem at their own expense 5 Electrical Safety EN60950 UL60950 as 6 A Laser EN60825 AT Warning Class 1 Laser product a 8 Warning Do not stare into the Laser beam At time of installation the Fiber Optic Lasers comply with FDA Radiation Performance S
30. ens rette forstyrrelsesproblemene for egen regning 5 Elektrisk sikkerhet EN60950 UL60950 e 6 Laser EN60825 AT Advarsel Laserprodukt av klasse 1 a 8 Advarsal Stirr ikke p str len a 9 Dette er et Klasse 1 LED produkt Sikkerhet amp 10 Fare For Lynnedslag Fare Arbeid ikke p utstyr eller kabler i tordenveer e 11 Blokker Ikke Luftventilene a 12 All strgmtilfgrsel m komme fra adapteren Europe EU Benytt TUV godkjent AC adapter p 12V 15V DC 500mA millismpere a 13 Driftstemperatur Dette produktet er konstruert for bruk i maksimum romtemperatur p 40 grader celsius a 14 Alle Land Produktet m installeres i samsvar med de lokale og nasjonale elektriske koder amp 15 A ADVARSEL Du skal ikke avisolere mer av ledningen enn det som er anbefalt Dersom du avisolerer mer enn det som er anbefalt kan dette for rsake en sikkerhetsfare ettersom det vil finnes uisolert ledning p rekkeklemmen etter montering ar 16 FORSIKTIG Sikkerhetsfare Kontroller om uisolerte koppertr der stikker ut av den monterte ledningen Hvis monteringen er riktig utfgrt skal det ikke finnes uisolerte kobbertr der som stikker ut fra rekkeklemmen Uisolerte ledninger kan lede skadelige mengder strgm til personer som bergrer ledningene amp 17 ADVARSEL Du skal ikke avisolere mer av ledningen enn det som er anbefalt Dersom du avisolerer mer enn det som er anbefalt kan dette for rsake en sikkerhetsfare ettersom det vil fi
31. eriencing a problem and be able to focus your troubleshooting efforts on the cable and end node where the problem resides A link test is performed when the Mode Selection button is toggled until the LNK LED is green Note Performing a link test does not interfere with a bridging converter s ability to pass network traffic MissingLink The MissingLink feature enables the fiber optic ports on the bridging converter to pass the Link status of their connections to each other When the bridging converter detects a problem with one of the ports such as the loss of connection to an end node the bridging converter shuts down the connection to the other port thus notifying the end node that the connection has been lost For example if the network twisted pair cable to the 10Base T 100Base TX port on the bridging converter were to fail the unit would respond by dropping the link on the 100Base FX fiber optic port In this way the bridging converter notifies the end node connected to the fiber optic port that the connection on the twisted pair port has been lost If the failure had started with the fiber optic cabling the unit would drop the link to the twisted pair port The value to this type of network monitoring and fault notification is that some devices can be configured to take a specific action in the event of the loss of connection on a port In some cases the unit can be configured to seek a redundant path to a disconnected
32. ernational code 425 481 3895 or 1 800 424 4284 ext 3852 Australia New Zealand Toll free 1 800 000 880 Toll free 0800 45 5782 Fax 61 2 9438 4966 Fax 65 383 3830 For Sales or Corporate Information You can contact Allied Telesyn for sales or corporate information at the location below Allied Teleyn Inc 19800 North Creek Parkway Suite 200 Bothell WA 98011 Tel 1 425 487 8880 Fax 1 425 489 9191 Tell Us What You Think If you have any comments or suggestions on how we might improve this or other Allied Telesyn documents please fill out the General Enquiry Form online This form can be accessed by selecting Contact Us from www alliedtelesyn com xi Chapter 1 Overview The AT FS238a x and AT FS238b x Series Bridging Converters are the 10 100Mbps fast switch single mode fiber transceivers which can send and receive on two different wavelengths 1310nm and 1550nm on a single mode fiber cable The AT FS238a x and AT FS238b x Series Bridging Converters include the following models A AT FS238a 1 A AT FS238b 1 A AT FS238a 2 A AT FS238b 2 Below is how to differentiate between the models mentioned above A AT FS238a 1 1310TX 1550RX 15 km range A AT FS238b 1 1550TX 1310RX 15 km range A AT FS238a 2 1310TX 1550RX 40 km range A AT FS238b 2 1550TX 1310RX 40 km range The AT FS238a x and AT FS238b x Series Bridging Converters are designed to extend the distance of your netw
33. erwijder niet meer dan de aanbevolen hoeveelheid isolatiemateriaal Als u meer dan de aanbevolen hoeveelheid verwijdert kan dit een veiligheidsrisico veroorzaken doordat draden bloot blijven liggen na aansluiting op het blok a 16 LET OP Veiligheidsrisico Controleer of er bij de aangesloten bedrading geen koper blootligt Als de installatie juist is uitgevoerd is er bij het aansluitblok geen koperdraad zichtbaar Blootliggende bedrading kan schadelijke elektriciteitsniveaus geleiden naar personen die met de draden in aanraking komen s 17 WAARSCHUWING Verwijder niet meer dan de aanbevolen hoeveelheid isolatiemateriaal Als u meer dan de aanbevolen hoeveelheid verwijdert kan dit een veiligheidsrisico veroorzaken doordat draden bloot blijven liggen na aansluiting op het blok a 18 WAARSCHUWING Zorg er tijdens installatie van de apparatuur altijd voor dat de aardeaansluiting van het frame als eerste wordt geplaatst en als laatste wordt losgemaakt 41 Translated Safety and Emission Information a 19 LET OP Veiligheidsrisico Controleer of er bij de aangesloten bedrading geen koper blootligt Als de installatie juist is uitgevoerd is er bij het aansluitblok geen koperdraad zichtbaar Blootliggende bedrading kan schadelijke elektriciteitsniveaus geleiden naar personen die met de draden in aanraking komen 42 AT FS238a x and AT FS238b x Series Installation Guide Normes Ce produit est conforme aux normes de suivantes
34. formasjonen p nsket spr k Importante O Anexo B cont m advert ncias de seguranga traduzidas para instalar este equipamento Quando vir o s mbolo amp leia a advert ncia de seguranga traduzida no seu idioma no Anexo B AT FS238a x and AT FS238b x Series Installation Guide Importante El Ap ndice B contiene mensajes de seguridad traducidos para la instalaci n de este equipo Cuando vea el s mbolo 4 vaya al Ap ndice B para ver el mensaje de seguridad traducido a su idioma Obs Bilaga B inneh ller versatta s kerhetsmeddelanden avseende installationen av denna utrustning N r du ser 47 skall du g till Bilaga B f r att l sa det versatta s kerhetsmeddelandet p ditt spr k Table of Contents Electrical Safety and Emission Compliance Statement 111 Welcome to Allied Telesyn ix Where to Find Web based Guides ii ix Document Conventions sise ix Contacting Allied Telesyn Technical Support x Online Support oe ote tete ET canes rr teste renato x Telephone Support sise x Technical Support E mail Addresses eese x Returning Products natalia iaia sas iii xi For Sales or Corporate Information i xi Tell Us What You Think untada ds xi Chapter 1 Overview nic al iin A ORES Reet ee elen oe 1 External Power Supply vorser ssl nement aio h akame 4 Key Features n SAA KANANRASVA Nana astaan 5 Status LEDS rotaia oonko 6 Twisted Pair P
35. g converters perform at A 148 800 pps for 100 Mbps and 14 880 pps for 10 Mbps for full wire speed forwarding and filtering 200 Mbps maximum throughput in 100 Mbps full duplex mode 20 Mbps maximum throughput in 10 Mbps full duplex mode Storage for up to 2k MAC addresses 280 kB per port packet buffer OO Do O Low latency 15 6 us 64 byte packet 100 Mbps full duplex 10 AT FS238a x and AT FS238b x Series Installation Guide DIP Switches The DIP switches are used to manually configure the operating characteristics of the ports These characteristics include the port speed duplex mode and auto negotiation On the 100Base FX fiber optic port you can manually set the duplex mode to either half or full duplex On the 10Base T 100Base TX twisted pair port you can manually set the speed of the port to either 10 Mbps or 100 Mbps set the duplex mode to either half or full duplex and enable or disable auto negotiation Enabling auto negotiation will automatically set the port s speed and duplex mode MAC Address Table Up to 2 000 MAC addresses can be stored in the bridging converter s MAC address table The bridging converter s self learning feature will learn all new addresses in real time after power up If the source address of an incoming packet is not found in the MAC address table the bridging converter will update the table with the new address The bridging converter also has an automatic address aging feat
36. gapore Taiwan Thailand Spain Portugal Greece Turkey Israel Malaysia Indonesia Korea Tel 39 02 41 30 41 Philippines China India Hong Kong Tel 65 6381 5612 Australia Japan Tel 1 800 000 880 Tel 81 3 3443 5640 France United Kingdom Belgium Luxembourg The Denmark Norway Sweden Finland Netherlands Middle East Africa Iceland Tel 33 0 1 60 92 15 25 Tel 0044 1235 442500 Technical Support E mail Addresses Latin America Mexico Puerto Rico Caribbean and Virgin Islands latin americaQalliedtelesyn com United Kingdom Sweden Norway Denmark and Finland europe supportQalliedtelesyn com AT FS238a x and AT FS238b x Series Installation Guide Returning Products Products for return or repair must first be assigned a Return Materials Authorization RMA number A product sent to Allied Telesyn without a RMA number will be returned to the sender at the sender s expense To obtain an RMA number contact Allied Telesyn s Technical Support at one of the following locations North America Europe Africa and the Middle Toll free 1 800 762 1664 East Fax 1 425 806 1050 Tel 44 1793 501401 Fax 44 1793 431099 Latin America the Caribbean Asia and Southeast Asia Virgin Islands Tel 65 6381 5612 Tel international code 425 481 3852 Fax 65 6383 3830 Fax international code 425 481 3895 Mexico Puerto Rico Toll free 1 800 424 5012 ext 3852 Toll free 1 800 424 5012 ext 3852 Fax int
37. including safety standards UL60950 cULus EN60950 EN60825 TUV CE Compliant IEEE 802 3 IEEE 802 3u Conforms to EN55024 immunity standard Meets all applicable requirements for emissions including but not limited to FCC Part 15 Class B EN55022 Class B AT FS238a x and AT FS238b x Series Installation Guide Fiber Optic Port Specifications Table 6 through Table 9 list the specifications for the fiber optic port Table 6 Fiber Optic Transmitter x 2 Fiber Type Fiber Optic Optical Launch Power dBm Model Connector Diameter Wavelength microns g Min Avg 3 Max AT FS238a 1 SMF Simplex 9 125 1310 nm 15 0 11 0 8 0 SC AT FS238a 2 SMF Simplex 9 125 1310 nm 8 0 5 0 2 0 SC AT FS238b 1 SMF Simplex 9 125 1550 nm 15 0 11 0 8 0 SC AT FS238b 2 SMF Simplex 9 125 1550 nm 8 0 5 0 2 0 SC 1 2 Launch Power is measured at one meter from the transmitter SMF Single Mode Fiber 3 Launch Power Avg is power coupled into a single mode fiber Table 7 Fiber Optic Receiver Fiber Optic Receiver Sensitivity Fiber Type Optical dBm Move Connector Diameter Wavelength microns Max Avg Saturation AT FS238a 1 SMF Simplex 9 125 1550 nm 30 0 n a 7 5 SC AT FS238a 2 SMF Simplex 9 125 1550 nm 33 0 n a 2 0 SC AT FS238b 1 SMF Simplex 9 125 1310 nm 30 0 n a 7 5 SC AT FS238b 2 SMF Simplex
38. l operate at only half duplex This results in the end node using full duplex and the switch port using half duplex This can produce network performance problems Should you encounter this situation you must configure the port on the end node to use Auto Negotiation or if it lacks that feature to half duplex Overview Auto MDI MDI X An RJ 45 twisted pair port on a 10 Mbps or 100 Mbps Ethernet network device can have one of two possible wiring configurations MDI or MDI X The RJ 45 port on a PC router or bridge is typically wired as MDI while the twisted pair port on a bridging converter or hub is usually MDI X To connect two 10 Mbps or 100 Mbps network devices together that have dissimilar port wiring configurations such as MDI to MDI X you would usually use a straight through twisted pair cable To connect two network devices that have the same wiring configuration such as MDI to MDI you would usually use a crossover cable The AT FS238a x and AT FS238b x Series Bridging Converters feature automatic MDI MDI X The RJ 45 port automatically determines the configuration of the port on the device to which it is connected and then configures itself appropriately For example if a port on a bridging converter is connected to a port on a bridge which is typically wired as MDI the port on the bridging converter automatically configures itself as MDI X This feature allows you to use either crossover cables or straight through cable whe
39. lcun trefolo in rame esposto In caso di contatto un filo esposto pu condurre livelli di elettricit pericolosi a quanti lo tocchino amp 17 AVVERTENZA Per evitare i possibili pericoli associati all esposizione dei fili sulla morsettiera dopo l installazione non rimuovere l isolamento oltre le misure specificate a 18 AVVERTENZA Quando si installa questo apparecchio accertarsi sempre che il collegamento a massa del telaio sia sempre il primo ad essere effettuato e l ultimo ad essere scollegato 47 Translated Safety and Emission Information a 19 48 ATTENZIONE Pericolo Controllare che il filo installato non abbia trefoli in rame esposti Se l installazione stata effettuata in modo corretto non vi deve protrudere dalla morsettiere alcun trefolo in rame esposto In caso di contatto un filo esposto pu condurre livelli di elettricit pericolosi a quanti lo tocchino AT FS238a x and AT FS238b x Series Installation Guide Sikkerhetsnormer Dette produktet tilfredsstiller fglgende sikkerhetsnormer amp 1 RFI str ling EN55022 Klasse B GY 2 Advarsel Hvis dette produktet benyttes til privat bruk kan produktet for rsake radioforstyrrelse Hvis dette skjer m brukeren ta de n dvendige forholdsregler 673 Immunitet EN55024 a 4 Advarsel Dette produktet m brukes med vernede kabler for tilfredsstille emisjons og fritakelsesstandarder Dersom produktet brukes med uvernede kabler m brukeren mulig
40. lede farlig str mstyrke til personer som kommer til at r re ved dem AT FS238a x and AT FS238b x Series Installation Guide Eisen Dit product voldoet aan de volgende eisen 1 RFI Emissie EN55022 Klasse B GY 2 Waarschuwing Binnenshuis kan dit product radiostoring veroorzaken in welk geval de gebruiker verplicht kan worden om gepaste maatregelen te nemen 3 Immuniteit EN55024 a 4 Waarschuwing Om te voldoen aan de emissie en immuniteitsnormen dient dit apparaat te zijn voorzien van afgeschermde kabels Als het met niet afgeschermde kabels wordt gebruikt kan het zijn dat de gebruiker maatregelen moet treffen om interferentieproblemen voor eigen rekening op te lossen e 5 Electrische Veiligheid EN60950 UL60950 e 6 Laser EN60825 amp T Waarshuwing Klasse 1 laser produkt 67 8 Waarchuwing Neit in de straal staren ss 9 Dit is een Klasse 1 LED produkt Veiligheid amp 10 Gevaar Voor Blikseminslag Gevaar Niet aan toestellen of kabels werken bij bliksem amp 11 Ventilatiegaten niet blokkeren a 12 Stroom mag alleen via de adapter naar het apparaat toegevoerd worden Europe EU Gebruik een door T V gekeurde wisselstroomadapter van 12V 15V gelijkstroom 500 milliamp res a 13 Bedrijfstemperatuur De omgevingstemperatuur voor dit produkt mag niet meer bedragen dan 40 graden Celsius a 14 Alle Landen het toestel installeren overeenkomstig de lokale en nationale elektrische voorschriften amp 15 A WAARSCHUWING V
41. llustrates a back to back topology using one AT FS238a x and one AT FS238b x Series Bridging Converters to interconnect two small networks of stackable hubs Q Network 1 has an AT FS709FC connected to the 100Base TX port on the AT FS238a x Series Bridging Converter O Network 2 has an AT 8024 switch connected to the 10Base T 100Base TX port on the AT FS238b x Series Bridging Converter Network 1 Network 2 AT 8024 E AT FS709FC AT FS709FC Go AT FS709FC Lie ei AT FS238b x Twisted Pair a amp Fiber Optic mm Figure 6 Network Topology 12 Chapter 2 Installing the Bridging Converter This chapter explains how to install an AT FS238a x and AT FS238b x Series Bridgi ng Converters These bridging converters can be installed on a desktop or in an AT MCR12 chassis Verifying Package Contents Make sure the following items are included in your package If any item is missing or damaged contact your Allied Telesyn sales representative for assistance A One AT FS238a x or AT FS238b x Series Bridging Converter A Four protective feet for desktop use only A Optional power supply depending on the model A Optional power connector dA This installation guide Ad Warranty card Note For information on the power supplies used with the AT FS238a x or AT FS238b x Series Bridging Converter refer to External Power Supply on page 3 13 Installing the Bridging
42. matically by the bridging converter after it determines the speed of the end node connected to the port Auto negotiation is designed to ensure that the port on the bridging converter and the end node are operating at the same speed and that they are communicating at the highest possible common speed of the devices Duplex Mode Duplex mode refers to how an end node receives and transmits data If an end node can receive or transmit data but not both simultaneously the end node is operating in what is referred to as half duplex mode If an end node can both receive and transmit data simultaneously the end node is said to be operating in full duplex mode Naturally an end node capable of operating in full duplex can handle data much faster than an end node that can only operate in half duplex mode The twisted pair ports on the AT FS238a x and AT FS238b x Series Bridging Converter can operate in either half or full duplex mode They are IEEE 802 3u compliant and use Auto Negotiation to set the duplex mode setting for you automatically For Auto Negotiation to operate properly on a bridging converter the end nodes connected to the converter should also use Auto Negotiation If an end node does not have this feature and has a fixed duplex mode of full duplex the result will be a duplex mode mismatch between the end node and a converter port A port on the bridging converter connected to an end node with a fixed duplex mode of full duplex wil
43. n connecting a device to the twisted pair port Fiber Optic Port The AT FS238a x and AT FS238b x Series Bridging Converters have one 100Base FX fiber optic port The single mode fiber optic port features a simplex SC connector Port Speed The fiber optic port is compliant with the 100Base FX standard and has a fixed operating speed of 100 Mbps The end node connected to the fiber optic port on the bridging converter must also be able to operate at 100 Mbps The AT FS238a x and AT FS238b x Series Bridging Converters can send and receive on the two different wavelengths 1310nm and 1550nm The different wavelengths used by these bridging converters are as follow A AT FS238a x TX 1310 and RX 1550 A AT FS238b x TX 1550 and RX 1310 Note The AT FS238a x and AT FS238b x Series Bridging Converters are designed to be used in pairs therefore the AT FS238a x fiber must be connected to the AT FS238b x fiber only AT FS238a x and AT FS238b x Series Installation Guide Duplex Mode The fiber optic port on the bridging converter can operate in half or full duplex mode You must set the duplex mode manually using the DIP switches on the back of the unit Mode Selection Button Link Test The link test is a fast and easy way for you to test the connections between the bridging converter ports and the end nodes that are connected to the ports If a network problem occurs you can perform a link test to determine which port is exp
44. n AT FS238a x or an AT FS238b x Series Bridging Converter perform the following procedures 1 16 Remove all equipment from the package and store the packaging material in a safe place Note Do not remove the dust cover from the fiber optic port until you are ready to connect the fiber optic cable Dust contamination can adversely impact the operating performance of the port and the bridging converter Attach the four protective feet provided to each corner of the bottom of the unit Refer to Figure 7 Do not attach the protective feet if you are installing the bridging converter in an AT MCR12 chassis X IAW IAW OLNV n 208 208 3331 H31H3ANOO ONIDAIHE L LBETSA AV UAS2 2 PIV aw 1804 09 04 NT XHOSSI XLOLELJAON 319NIS Xd 8001 Figure 7 Attaching the Protective Feet Configure the DIP switches Refer to Figure 2 on page 2 for the location of the DIP switches and Table 5 on page 17 for the possible settings Note Changing the DIP switch settings are effective after resetting the unit To reset the unit power the unit OFF then ON AT FS238a x and AT FS238b x Series Installation Guide Table 5 DIP Switch Settings DIP Switch Port Setting Position Description Number 1 2 Speed Mbps Up The twisted pair port is operating at 10 Mbps Down The twisted pair port is operating at 100 Mbps 2 1 Duplex Mode Up The fiber optic port is operating at half d
45. nical Specifications on page 27 for power requirements 0 N OCO SPEED 12VDC 5 em Figure 8 Connecting an 12VDC Powered Unit 2 Verify that the PWR LED on the front of the unit is green If the PWR LED is OFF refer to Troubleshooting on page 25 Wiring and Connecting a 12 50VDC Powered Unit To wire a 12 50VDC powered unit perform the following step 1 Before attaching wires to the DC terminal block on the DC power supply review the following Warning statements Warning Only trained and qualified personnel are allowed to install or to replace this equipment Warning For 12 50VDC power connection install this equipment only in a Restricted Access Area 2 Onthe rear side of the chassis is a 3 prong receptacle connector labeled 12 50VDC Starting from the left side of the terminal block identify the negative ground and positive terminals using either the diagram adjacent to the terminal block or the illustration shown in Figure 9 on page 20 19 Installing the Bridging Converter DIP SWITCHES lt OC Pi N 000 ES grec ourler Ano al Mie MES NEG EU zk SRE SF Negative Positive Ground Figure 9 Positive Ground and Negative Symbols Warning The power input must be provided from SELV source only per IEC 60950 Do not connect to centralized DC battery bank 3 Secure the power supply cable in the Restricted Access Area using multiple cable ties to minimize the chance
46. nnes uisolert ledning p rekkeklemmen etter montering a 18 ADVARSEL N r du monterer dette utstyret skal du alltid passe p at forbindelsen til rammejordingen monteres f rst og koples fra sist 49 Translated Safety and Emission Information a 19 50 FORSIKTIG Sikkerhetsfare Kontroller om uisolerte koppertr der stikker ut av den monterte ledningen Hvis monteringen er riktig utfgrt skal det ikke finnes uisolerte kobbertr der som stikker ut fra rekkeklemmen Uisolerte ledninger kan lede skadelige mengder str m til personer som ber rer ledningene AT FS238a x and AT FS238b x Series Installation Guide Padr es Este produto atende aos seguintes padr es a 1 Emiss o De Interfer ncia De Radiofrequ ncia EN55022 Classe B a 2 Aviso Num ambiente dom stico este produto pode causar interfer ncia na radiorrecepc o e neste caso pode ser necess rio que o utente tome as medidas adequadas 6 3 Imunidade EN55024 a 4 Advert ncia Este produto requer a utilizac o de cabos blindados para cumprimento dos standards de limites de emiss o e imunidade Se o produto for utilizado com cabos n o blindados o utilizador poder necessitar de tomar medidas para correc o de problemas de interfer ncia por sua propria conta 5 Seguranca El ctrica EN60950 UL60950 as 6 A Laser EN60825 AT Aviso Produto laser de classe 1 a 8 Aviso N o olhe fixamente para o raio ar 9 Este um Produto Classe 1 LED Seguranca
47. ork by converting Fast Ethernet data between twisted pair cabling and single mode fiber optic cabling These dual port bridging converters can also be used to improve the performance of your network by dividing it into smaller more manageable segments Each bridging converter features a 100Base FX fiber optic port and a 10Base T 100Base TX twisted pair port The fiber optic port has a simplex SC Subscriber Connector connector and an operating distance of 15 kilometers 9 4 miles or 40 kilometers 24 8 miles depending on the model The twisted pair port has an RJ 45 connector with a maximum operating distance of 100 meters 328 feet Overview The fiber optic port operates at 100 Mbps while the twisted pair port operates at 10 Mbps or 100 Mbps Both ports feature half and full duplex operation AT FS238a x and AT FS238b x Series Bridging Converters can be installed on a desktop or in an AT MCR12 chassis These bridging converters are easy to install and do not require software configuration or management Note The AT FS238a x and AT FS238b x Series Bridging Converters are designed to be used in pairs therefore the AT FS238a x fiber port must be connected to the AT FS238b x fiber port only Figure 1 illustrates the front panel of the AT FS238a x Series Bridging Converter 100Base FX gt SINGLE MODE 1310TX 1550RX LNK FD COL PORT 1 AVE Allied Telesyn AT FS238a 1 BRIDGING CONVERTER IEEE 802 3 802 3U AUTO MDI MDI X
48. ort oue ana a Ee ini 7 Port Speed essen SC or Co POPE TS agentene 1 7 Ri E lara a serbere gsi 7 Auto MDVMDIX saa enden venten daan ree ere CREER LEONE P heras ada 8 Fiber Optic Port nen NEE a Tea SEEK EY UNUS 8 lagu EE LEE 8 Duplex Mode ceci retro e centra p vv aria ene 9 Mode Selection Button som pore a id 9 Link Test E eneen ne seres 9 Missing link a ia asa aka RE EFE E 9 Smart Missing Link mt rare aio 10 Bridging Converter Performance ss 10 DIP Switches aet ERROR iia n ano 11 MAC Address Table ss 11 Store and Forward e e eee thereto e s s renen enkelen 11 Network Topologies seeder enne e nenne nennen r der ses eene 12 vii Table of Contents Chapter 2 Installing the Bridging Converter 1 i Verifying Package Contents sooo i Planning the Installation ii Selecting a Site sess Installing the Bridging Converter Connecting a 12VDC Powered Unit Wiring and Connecting a 12 50VDC Powered Unit Warranty Registration ss Chapter 3 Troubleshooting ss 25 Appendix A Technical Specifications su 27 Physical An Environmental ir e ett ER in nennen I ERE dE eg Electrical Rating Agency Certifications Fiber Optic Port Specifications ss 29 RJ 45 Pinout Assignments sue 30 Appendix B Translated Safety and Emission Information 33 viii Welcome to Allied
49. rioder med lynaktivitet amp 11 Ventilations bningerne m ikke blokeres amp 12 Strgmforsyningen til apparatet m udelukkende tages fra tilpasningstransformatoren Europe EU Brug kun T V godkendt vekselstr mstransformator p 12V 15V jeevnstrgm 500 mA amp 13 Betjeningstemperatur Dette apparat er konstrueret til en omgivende temperatur p maksimum 40 grader C amp 14 Alle Lande Installation af produktet skal ske i overensstemmelse med lokal og national lovgivning for elektriske installationer ar 15 A ADVARSEL Man bgr ikke afisolere mere af ledningerne end anvist for s kan s danne blanke ledninger udggre et faremoment efter montering p klemmer kken a 16 FORSIKTIG Fare Se omhyggeligt efter om der stikker blanke kobbertr de ud fra klemmeforbindelserne Ved korrekt montering er det ikke tilf ldet Enhver afisoleret leder kan lede farlig str mstyrke til personer som kommer til at r re ved dem s 17 ADVARSEL Man bgr ikke afisolere mere af ledningerne end anvist for s kan s danne blanke ledninger udggre et faremoment efter montering p klemmer kken a 18 ADVARSEL Ved installering af dette udstyr skal steljord altid forbindes f rst og aftages sidst 39 Translated Safety and Emission Information a 19 40 FORSIKTIG Fare Se omhyggeligt efter om der stikker blanke kobbertr de ud fra klemmeforbindelserne Ved korrekt montering er det ikke tilf ldet Enhver afisoleret leder kan
50. salir del bloque terminal Todo alambre pelado puede conducir niveles de electricidad nocivos a la persona que lo toca AT FS238a x and AT FS238b x Series Installation Guide Standarder Denna produkt uppfyller f ljande standarder 1 Radiost rning EN55022 Klass B GY 2 Varning Denna produkt kan ge upphov till radiost rningar i hemmet vilket kan tvinga anv ndaren till att vidtaga erforderliga tg rder ev 3 Immunitet EN55024 OLA Varning Denna produkt kr ver sk rmade kablar f r att uppfylla standardkraven f r emission och immunitet Om den anv nds med osk rmade kablar kan anv ndaren vara tvungen att vidta tg rder p egen bekostnad f r att tg rda st rningsproblemet 5 Els kerhet EN60950 UL60950 es 6 Laser EN60825 AT Varning Laserprodukt av klass 1 8 Varning Laserstr lning n r enheten r ppen ar 9 Detta r en Klass 1 lysdiodprodukt S kerhet amp 10 Fara F r Blixtnedslag Fara Arbeta ej p utrustningen eller kablarna vid skv der amp 11 Blockera Inte Luftventilerna amp 12 Endast anslutningsenheten f r vara kraftk lla till centralen Europe EU N Anv nd en v xelstr msanslutningsenhet licensierad av TUV Likstr m 12V 15V 500mA GY 13 Driftstemperatur Denna produkt r konstruerad f r rumstemperatur ej verstigande 40 grader Celsius amp 14 Alla L nder Installera produkten i enlighet med lokala och statliga best mmelser f r elektrisk utrustning ey 15 VARNIN
51. sly approved by the manufacturer or registrant of this equipment can void your authority to operate this equipment under Federal Communications Commission rules Industry Canada This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Electrical Safety and Emission Compliance Statement A RFI Emission EN55022 Class B amp 1 Warning In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 2 Immunity EN55024 amp 3 Warning This product requires shielded cables to comply with emission and immunity standards If it is used with unshielded cables the user may be required to take measures to correct the interference problem at their own expense amp 4 Electrical Safety EN60950 UL60950 amp 5 Laser EN60825 amp 6 Warning Class 1 Laser product amp 7 Warning Do not stare into the Laser beam amp 8 At time of installation the Fiber Optic Lasers comply with FDA Radiation Performance Standard 21CFR Subchapter J applicable at date of manufacture This is a Class 1 LED Product AT FS201 AT FS202 models amp 9 Important Appendix B contains translated safety statements for installing this equipment When you see the 4 go to Appendix B for the tr
52. sse 1 Sicherheit amp 10 Gefahr Durch Blitzschla Gefahr Keine Arbeiten am Ger t oder an den Kabeln w hrend eines Gewitters ausf hren a 11 Entl ftungs ffnungen nicht versperren a 12 Der Buchse darf nur aus dem Adapter Strom zugef hrt werden Europe EU Gebrauchen Sie einen von T V zugelassenen Wechselstromadapter f r Gleichstrom 12V 15V 500 mA e 13 Betriebstemperatur Dieses Produkt wurde f r den Betrieb in einer Umgebungstemperatur von nicht mehr als 40 C entworfen a 14 Alle L nder Installation mu rtlichen und nationalen elektrischen Vorschriften entsprechen ey 15 N WARNUNG Ziehen Sie nicht mehr als die empfohlene Drahtl nge ab Wird mehr als die empfohlene L nge abisoliert stellt dies ein Sicherheitsrisiko dar da aufdem Anschlu klemmblock nach der Installation m glicherweise freiliegende Dr hte verbleiben ar 16 VORSICHT Sicherheitsrisiko Pr fen Sie daB aus dem installierten Draht keine freiliegenden Kupferlitzen herausragen Bei korrekter Installation sollten aus dem AnschluBklemmblock keine freiliegenden Kupferlitzen vorstehen Freiliegende Kabel f hren genug Spannung um Personen zu gef hrden die diese Dr hte ber hren s 17 WARNUNG Ziehen Sie nicht mehr als die empfohlene Drahtl nge ab Wird mehr als die empfohlene L nge abisoliert stellt dies ein Sicherheitsrisiko dar da auf dem Anschlu klemmblock nach der Installation m glicherweise freiliegende Dr hte verbleiben 3
53. t EN55024 e 4 Avvertenza questo prodotto se utilizzato con cavi schermati amp conforme alle norme sulle emissioni e sull immunit In caso di uso senza cavi schermati l utente pu dover adottare a proprie spese misure correttive contro le interferenze 5 Sicurezza elettrica EN60950 UL60950 e 6 Laser EN60825 AT Avvertenza Prodotto laser di Classe 1 8 Avertenza Non fissare il raggio con gli occhi 6 9 Questo un Prodotto con LED di Classe 1 Norme Di Sicurezza amp 10 Pericolo Di Fulmini Pericolo Non lavorare sul dispositivo o sui cavi durante precipitazioni temporalesche amp 11 Non ostruire le prese d aria amp 12 Questo dispositivo deve essere alimentato solo mediante l adattatore Europe EU Utilizzare l adattatore per c a da 12V 15V c c e 500 mA conforme alla normativa TUV GY 13 Temperatura Di Funzionamento Questo prodotto concepito per una temperatura ambientale massima di 40 gradi centigradi amp 14 Tutti I Paesi installare il prodotto in conformit delle vigenti normative elettriche nazionali amp 15 N AVVERTENZA Per evitare i possibili pericoli associati all esposizione dei fili sulla morsettiera dopo l installazione non rimuovere l isolamento oltre le misure specificate a 16 ATTENZIONE Pericolo Controllare che il filo installato non abbia trefoli in rame esposti Se l installazione stata effettuata in modo corretto non vi deve protrudere dalla morsettiere a
54. tandard 21CFR Subchapter J applicable at date of manufacture Gr 9 This is a Class 1 LED Product AT FS237s13 1 Safety amp 10 Lightning Danger Danger Do not work on equipment or cables during periods of lightning activity a 11 Do not block air vents GY 12 Power to the hub must be sourced only from the adapter USA Canada Use a UL Listed CSA Certified AC adapter of DC 12V 15V 500mA Europe EU Use TUV licensed AC adapter of DC 12V 15V 500mA UK Use a UK Safety Approved AC adapter of DC 12V 15V minimum 500mA a 13 Operating Temperature This product is designed for a maximum ambient temperature of 40 degrees C amp 14 All Countries Install product in accordance with local and National Electrical Codes amp 15 A WARNING Do not strip more than the recommended amount of wire Stripping more than the recommended amount can create a safety hazard by leaving exposed wire on the terminal block after installation ar 16 CAUTION Safety Hazard Check to see if there are any exposed copper strands coming from the installed wire When this installation is done correctly there should be no exposed copper wire strands extending from the terminal block Any exposed wiring can conduct harmful levels of electricity to persons touching the wires s 17 WARNING Do not strip more than the recommended amount of wire Stripping more than the recommended amount can create a safety hazard by leaving exposed wire on th
55. to Troubleshooting on page 25 for instructions The bridging converter runs a series of self diagnostic tests Once the self tests are complete the converter is ready for normal network operations AT FS238a x and AT FS238b x Series Installation Guide Warranty Registration When you finish installing the product you should register your product by completing the enclosed warranty card and sending it in 23 Chapter 3 Troubleshooting Follow the guidelines below to test and troubleshoot the installation in the event a problem occurs Note Whenever the speed and or duplex mode are changed during or after power ON power OFF then power back ON the bridging converter to load the new configuration If the PWR LED is OFF do the following a a If the bridging converter is installed on a desktop check to be sure that the power adapter is securely connected to a power outlet and that the power adapter cable is securely connected to the back of the bridging converter If the bridging converter is installed in an AT MCR12 chassis check that the unit is fully seated in the slot and the retaining screw is securely fastened Verify that the power outlet has power by connecting another device to it Try using another power adapter If the LNK LED for the twisted pair port is OFF do the following a Check that the end node connected to the port is powered ON and is operating properly Check that the twisted p
56. ttaa turvallisuusriskin sill riviliittimeen j asennuksen j lkeen paljaita johtimia ar 16 A HUOMIO Turvallisuusriski Tarkista ettei asennetusta johtimesta n y paljaita kuparis ikeit Kun asennus suoritetaan oikein riviliittimest ei pit isi n ky paljaita kuparijohdins ikeit Paljaat johtimet voivat aiheuttaa s hk iskuvaaran jos niihin kosketaan amp 17 VAROITUS l poista johtimesta p llystett enemp kuin on suositeltu P llysteen poistaminen suositusta pidemm lt matkalta voi aiheuttaa turvallisuusriskin sill riviliittimeen j asennuksen j lkeen paljaita johtimia a 18 VAROITUS Kun asennat t t laitetta varmista aina ett runkomaadoitettu liitin kytket n ensin ja irrotetaan viimeiseksi 45 Translated Safety and Emission Information ar 19 HUOMIO Turvallisuusriski Tarkista ettei asennetusta johtimesta n y paljaita kuparis ikeit Kun asennus suoritetaan oikein riviliittimest ei pit isi n ky paljaita kuparijohdins ikeit Paljaat johtimet voivat aiheuttaa s hk iskuvaaran jos niihin kosketaan 46 AT FS238a x and AT FS238b x Series Installation Guide Standard Questo prodotto conforme ai seguenti standard a 1 Emissione RFI interferenza di radiofrequenza EN55022 Classe B a 2 Avvertenza in ambiente domestico questo prodotto potrebbe causare radio interferenza In questo caso potrebbe richiedersi all utente di prendere gli adeguati provvedimenti 3 Immuni
57. uplex mode Down The fiber optic is operating at full duplex mode 3 2 Duplex Mode Up The twisted pair port is operating at half duplex mode Down The twisted pair port is operating at full duplex mode 4 2 Auto Neg Up Auto negotiation on the twisted pair port is OFF Down Auto negotiation on the twisted pair port is ON When setting the DIP switches consider the following a Setting the Auto Neg DIP switch for the twisted pair port to ON or OFF enables or disables auto negotiation for the port If you disable auto negotiation be sure to set the DIP switches for the port s speed and duplex mode to match the speed and duplex mode of the end node For the fiber optic port set the port s duplex mode using the appropriate Duplex Mode DIP switch This setting must match the duplex mode capability of the end node to be connected to the port If you are installing the bridging converter in an AT MCR12 chassis download the AT MCR12 Chassis Installation Guide from our web site for instructions on how to install the bridging converter then proceed to Step 7 17 Installing the Bridging Converter 5 10 Place the bridging converter on a secure level surface leaving ample space around the bridging converter for ventilation Plug the power adapter into an appropriate AC power outlet and insert the power plug into the DC receptacle located on the back of the bridging converter For instructions how to connect an 12V
58. ure that will delete a source address from the table if it has not seen a frame from the end node with that address within five minutes This prevents the table from becoming filled with addresses of end nodes that are no longer active The bridging converter forwards all multicast broadcast and unicast packets when the MAC address table has exceeded its storage limit Store and Forward The AT FS238a x and AT FS238b x Series Bridging Converters support store and forward switching at Fast Ethernet full wire speed in 100 Mbps half or full duplex mode Packets entering each port are stored in buffers Once the full packet is received the bridging converter will forward or discard the packet depending on its destination address and error status This ensures that only error free packets destined for another segment will be transferred across the bridging converter reducing network load For example if the packet entering from Port 1 is destined for an end node on Port 2 the bridging converter forwards the frame if the frame does not contain any errors If the packet from Port 1 is destined for an end node also connected to Port 1 the packet is discarded 11 Overview The bridging converter will discard CRC errors misaligned runt and under oversized packets When the packet has dribble bits at the end the bridging converter will truncate to octet boundary and check for a good FCS before forwarding Network Topologies Figure 6 i

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