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AT-GS2002 Series Installation Guide

31

Back-to-Back Topology

In some network configurations you may want to interconnect two
bridging converter in what is referred to as a back-to-back topology. In
this topology, the bridging converter not only extend the distance of your
network but also convert the fiber optic cable from twisted pair to fiber
optic and back again. Figure 9 illustrates one AT-9424T/SP switch at
each campus. The switches are interconnected by two AT-GS2002/SP
bridging converters which provide a connection of up to 15 kilometers (9.3
miles). The 10/100/1000Base-T twisted pair ports on the bridging
converters are connected to the SC ports on the switches, while the
1000Base SFP ports on the two AT-GS2002/SP bridging converters are
directly connected to each other.

Note

When using two bridging converters back-to-back, you must set
both converters to the same mode (in example, the first bridging
converter is set to Smart MissingLink mode; then the second
converter must also be set to Smart MissingLink mode.

Figure 9. Back-to-Back Topology

FAULT

RPS

MASTER

POWER

CLASS 1

LASER PRODUCT

STATUS

TERMINAL

PORT

1

3

5

7

9

11

2

4

6

8

10

12

1

3

15

17

19

21

2

3

R

14

16

1

8

20

22

24R

AT-9424T/SP

Gigabit Ethernet Switch

1

3

5

7

9

11

1

3

15

17

19

21

2

3

R

2

4

6

8

10

12

14

16

1

8

20

22

24R

23

24

L/A

D/C

D/C

L/A

D/C

L/A

1000 LINK / ACT

HDX / COL

FDX

10/100 LINK / ACT

PORT ACTIVITY

L/A

1000 LINK / ACT

SFP

SFP

24

SFP

2

3

FAULT

RPS

MASTER

POWER

CLASS 1

LASER PRODUCT

STATUS

TERMINAL

PORT

1

3

5

7

9

11

2

4

6

8

10

12

1

3

15

17

19

21

2

3

R

14

16

1

8

20

22

24R

AT-9424T/SP

Gigabit Ethernet Switch

1

3

5

7

9

11

1

3

15

17

19

21

2

3

R

2

4

6

8

10

12

14

16

1

8

20

22

24R

23

24

L/A

D/C

D/C

L/A

D/C

L/A

1000 LINK / ACT

HDX / COL

FDX

10/100 LINK / ACT

PORT ACTIVITY

L/A

1000 LINK / ACT

SFP

SFP

24

SFP

2

3

AT-GS2002/SP

GIGABIT BRIDGING CONVERTER

LINK

ACT

CLASS 1

LASER PRODUCT

1000Base

ML

SML

LT

MODE

10/100/1000 Base-T

PWR

AN

1000M

LINK

ACT

100M

PORT 2

PORT 1

SFP

AUTO MDI/MDI-X

AT-GS2002/SP

GIGABIT BRIDGING CONVERTER

LINK

ACT

CLASS 1

LASER PRODUCT

1000Base

ML

SML

LT

MODE

10/100/1000 Base-T

PWR

AN

1000M

LINK

ACT

100M

PORT 2

PORT 1

SFP

AUTO MDI/MDI-X

358

Campus 2: AT-9424T/SP

AT-GS2002/SP

Campus 1: AT-9424T/SP

AT-GS2002/SP

Multi-mode
Fiber Optic

Twisted Pair

100 m (328 ft) maximum

100 m (328 ft) maximum

15 km (9.32 mi)

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Содержание AT-GS2002 Series

Страница 1: ...AT GS2002 AT GS2002 SP Gigabit Bridging Converters Installation Guide PN 613 50648 00 Rev A...

Страница 2: ...tive 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 sub...

Страница 3: ...llation 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 recepti...

Страница 4: ...ts Wenn Sie sehen schlagen Sie in Anhang C den bersetzten Sicherheitshinweis in Ihrer Sprache nach Importante El Ap ndice C contiene mensajes de seguridad traducidos para la instalaci n de este equip...

Страница 5: ...rmation 12 Management Software Updates 12 Chapter 1 Overview 13 Introduction 14 AT GS2002 Bridging Converter 14 AT GS2002 SP Bridging Converter 15 Key Features 16 10 100 1000Base TX Twisted Pair Port...

Страница 6: ...ndalone Topology 30 Back to Back Topology 31 Chapter 2 Installing the Bridging Converter 33 Verifying Package Contents 33 Planning the Installation 34 Selecting a Site 35 Reviewing Safety Guidelines 3...

Страница 7: ...pecifications 55 Physical 55 Temperature 55 Electrical Rating 55 Agency Certifications 56 RJ 45 Twisted Pair Port Pinouts 56 Appendix B Cleaning Fiber Optic Connectors 59 Using a Cartridge Type Cleane...

Страница 8: ......

Страница 9: ...ctions on how to install the AT GS2002 Series Gigabit Bridging Converter and contains the following sections Safety Symbols Used in this Document on page 10 Where to Find Web based Guides on page 11 C...

Страница 10: ...s the safety symbols defined in Table 1 Table 1 Safety Symbols Symbol Meaning Description Caution Performing or omitting a specific action may result in equipment damage or loss of data Warning Perfor...

Страница 11: ...eb based Guides The installation and user guides for all Allied Telesyn products are available in portable document format PDF on our web site at www alliedtelesyn com You can view the documents onlin...

Страница 12: ...ed Telesyn without an RMA number will be returned to the sender at the sender s expense To obtain an RMA number contact Allied Telesyn Technical Support through our web site www alliedtelesyn com Sale...

Страница 13: ...s are AT GS2002 AT GS2002 SP This chapter contains the following sections Introduction on page 14 Key Features on page 16 10 100 1000Base TX Twisted Pair Port on page 17 1000Base SX Fiber Optic Port o...

Страница 14: ...se TX twisted pair port One 1000Base SX fiber optic port One push button for Link Test LT MissingLinkTM ML and Smart MissingLink SML modes Eleven LEDs for system and port status One DC receptacle powe...

Страница 15: ...s One DC receptacle power adapter Figure 3 illustrates the front panel of the AT GS2002 SP bridging converter Figure 3 AT GS2002 SP Front Panel Figure 4 illustrates the back panel of the AT GS2002 SP...

Страница 16: ...model SFP pluggable slot AT GS2002 SP MODE push button for Link Test LT MissingLink and Smart MissingLink LEDs for unit and port status DC receptacle power adapter Auto MDI MDI X Auto Negotiation on...

Страница 17: ...set automatically by the 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 converter and the end node are opera...

Страница 18: ...or unshielded twisted pair cabling Auto MDI MDI X The twisted pair ports on the bridging converters are auto MDI and IEEE 802 3ab compatible When a port s speed and duplex mode are set through Auto Ne...

Страница 19: ...er has a fixed operating speed of 1000 Mbps The end node connected to the fiber optic port on the bridging converter must also be able to operate at 1000 Mbps This speed cannot be changed Duplex Mode...

Страница 20: ...ns refer to the installation guide provided with the transceiver You should verify that the operating specifications of the remote fiber optic port are compatible with the SFP transceiver For example...

Страница 21: ...he fiber optic port on the bridging converter must also be able to operate at 1000 Mbps This speed cannot be changed Duplex Mode The SFP fiber optic port on the AT GS2002 SP converter operates in a fi...

Страница 22: ...een indicating that they were able to establish a link with their end nodes If a LINK LED is off the port could not establish a link Refer to Troubleshooting on page 33 for suggestions on how to remed...

Страница 23: ...push button so that the ML or SML LED is green Smart MissingLink The Smart MissingLink feature performs exactly the same function as MissingLink with one additional feature When a link is lost on a p...

Страница 24: ...r Refer to Figure 6 for the location of this status LED Each AT GS2002 Series converter contains only one status LEDs PWR as defined in Table 2 Table 2 System Status LED LED Color Description PWR Gree...

Страница 25: ...Blinking Green Applicable to the AT GS2002 model only Indicates that when the AT GS2002 converter is in SML mode and the LINK on that port has been dropped because the LINK on the other port is lost O...

Страница 26: ...Refer to Figure 6 on page 24 for the location of these LEDs Each AT GS2002 Series converter contains three MODE push button LEDs ML SML and LT as defined in Table 5 on page 26 Table 4 Fiber Optic Por...

Страница 27: ...ir port Port 2 such as port speed duplex mode and Auto Negotation The RJ 45 twisted pair port is 10 100 1000Base capable In forced mode the end user can configure only for operation on 10 or 100 Mbps...

Страница 28: ...12VDC version bridging converters come with the AC DC power adapter illustrated in Figure 7 This is an approved safety compliant AC power adapter for the 100 and 240V AC versions with an unregulated...

Страница 29: ...Forward The bridging converter supports store and forward switching at Gigabit Ethernet full wire speed in 100 Mbps half or full duplex mode Packets entering each port are stored in buffers Once the f...

Страница 30: ...24 STATUS 26 25 AT 8524MFast Ethernet Switch 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12 14 16 18 20 22 24 LINK MODE LINK MODE COL 100 FULL ACT FAULT RPS MASTER PWR MODE 1 3 5 7 9 11 2 4 6 8 10 12 13...

Страница 31: ...to Back Topology FAULT RPS MASTER POWER CLASS 1 LASER PRODUCT STATUS TERMINAL PORT 1 3 5 7 9 11 2 4 6 8 10 12 13 15 17 19 21 23R 14 16 18 20 22 24R AT 9424T SPGigabit Ethernet Switch 1 3 5 7 9 11 13...

Страница 32: ......

Страница 33: ...ng Converter in the AT MCR12 Chassis on page 41 Cabling the Bridging Converter on page 43 Configuring the DIP Switches on page 49 Powering On the Bridging Converter on page 50 Warranty Registration on...

Страница 34: ...an adapter card repeater router hub or another switch The twisted pair cabling must be kept away from sources of electrical noise such as radios transmitters power lines broadband amplifiers electric...

Страница 35: ...elines before you begin to install the AT GS2002 Series bridging converters Laser Class 1 laser device 1 Laser Do not stare into the laser beam 2 Warning To prevent electric shock do not remove the co...

Страница 36: ...connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring Appropriate consideration of equipment nameplate ra...

Страница 37: ...he amount of air flow required for safe operation of the equipment is not compromised 39 Warning Warning Reliable earthing of rack mounted equipment should be maintained Particular attention should be...

Страница 38: ...te A link established on an SFP port always takes priority over an existing link on a twisted pair port Note You must install the SFPtransceiver before you connect cables to it 1 Remove the SFP transc...

Страница 39: ...sceiver is dust sensitive When a fiber optic cable is not installed or when you store the SFP always keep the plug in the optical bores When you do remove the plug keep it for future use Note Unnecess...

Страница 40: ...the following procedure 1 Remove the converter from its shipping container and store the packaging material in a safe location 2 Turn the converter over and place it on a secure surface 3 Attach the...

Страница 41: ...2 chassis use the mun bracket that comes with the AT MCR12 chassis This mounting guide is used to insert the converter into the chassis locking it into place while giving support to the front of the u...

Страница 42: ...A Tab B 100Base FX REC PWR LNK 100Base TX REC LNK MDI MDI X TX RX MC102 FAST ETHERNET MEDIA CONVERTER 100Base FX REC PWR LNK 100Base TX REC LNK MDI MDI X TX RX MC102 FAST ETHERNET MEDIA CONVERTER 100B...

Страница 43: ...Converter To connect to the fiber optic port on the AT GS2002 converter perform the following procedure Laser Class 1 laser product 1 Laser Do not stare into the laser beam 2 1 Remove the dust cover...

Страница 44: ...pe of fiber optic cabling You should verify that the operating specifications of the converter s fiber optic port are compatible with the fiber optic port on the remote end node For example you cannot...

Страница 45: ...sure that the receiver fiber connector is connected to the transmitter connector on the remote end node and the transmitter fiber connector is connected to the receiver connector on the remote node Fi...

Страница 46: ...S2002 SP converter perform the following procedure Laser Class 1 laser product 1 Laser Do not stare into the laser beam 2 1 Remove the dust cover from the SFP transceiver as shown in Figure 15 Figure...

Страница 47: ...ters and an operating wavelength of 1550 nanometers nm to a remote fiber optic port with an maximum distance of only 10 kilometers and an operating wavelength of 1310 nm The SFP transceiver consists o...

Страница 48: ...ed pair cable to an RJ 45 twisted pair port observe the following guidelines An RJ 45 connector should fit snugly into the port on the converter The tab on the connector should lock the connector into...

Страница 49: ...e port s speed and duplex mode to match the speed and duplex mode of the end node connected to the converter s copper port If you enable Auto Negotiation be sure that the end node is also configured f...

Страница 50: ...procedure Note The power adapter is not used if you install the AT GS2002 in an AT MCR12 chassis 1 Locate the power terminal block on the rear panel of the AT GS2002 AC powered chassis 2 Plug one end...

Страница 51: ...To reduce the risk of electric shock disconnect the power cords before servicing the unit 4 Verify that the PWR LED on the front of the converter is green If the LED is OFF refer to Troubleshooting on...

Страница 52: ...Chapter 2 Installing the Bridging Converter 52 Warranty Registration When you have finished installing the product register your product by completing the enclosed warranty card and sending it in...

Страница 53: ...ice to it Try using another power adapter If the LINK LED for the twisted pair port is OFF do the following Check that the end node connected to the port is powered ON and is operating properly Check...

Страница 54: ...connected to the end node s transmitter port TX and that the AT GS2002 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...

Страница 55: ...perature Operating Temperature 0 C to 40 C 32 F to 104 F Storage Temperature 25 C to 70 C 13 F to 158 F Operating Humidity 5 to 90 non condensing Storage Humidity 5 to 95 non condensing Operating Alti...

Страница 56: ...J 45 Twisted Pair Port Pinouts Figure 23 illustrates the pin layout to an RJ 45 connector and port Figure 23 RJ 45 Connector and Port Pin Layout Table 8 lists the RJ 45 pin signals when a twisted pair...

Страница 57: ...rt in the MDI and MDI X configurations at 1000 Mbps Table 9 MDI X Pin Signals 10 100Base TX Pin Signal 1 RX 2 RX 3 TX 6 TX Table 10 MDI and MDI X Pin Signals 1000Base TX MDI Configuration MDI X Config...

Страница 58: ......

Страница 59: ...of the fiber Even minor smudges or dirt on the end face of the fiber completely invisible to the naked eye can disrupt light transmission and lead to failure of the component or of the entire system...

Страница 60: ...ed cartridge cleaners as shown inFigure 26 Figure 26 Cartridge Cleaner Note Do not use compressed air or aerosol air to clean a fiber optic connector To clean a fiber optic connector using a cartridge...

Страница 61: ...of the cleaning surface pick up the ferrule tip rotate and place it at the top and rub downwards at least two times Caution Failing to pick up the ferrule tip when you reach the bottom of the cleanin...

Страница 62: ...aners are available for cleaning inside connector adapters or hard to reach ferrule tips These swabs often referred to as lint free or alcohol free swabs are available from many vendors as shown in Fi...

Страница 63: ...errule 2 If desired repeat step 1 3 If a fiber inspection scope is available use the scope to inspect the connector to make sure that it is clean and to check for scratches pits or other problems that...

Страница 64: ......

Страница 65: ...er in diesem Handbuch enthaltenen Sicherheitshinweise in mehreren Sprachen Importante Este ap ndice contiene traducciones en m ltiples idiomas de los mensajes de seguridad incluidos en esta gu a Impor...

Страница 66: ...periods of lightning activity 5 Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cord 6 Warning Class I Equipment This equipment must be earthed The p...

Страница 67: ...ed last 14 Warning 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...

Страница 68: ...batterie par une batterie de type incorrect peut provoquer un danger d explosion La remplacer uniquement par une batterie du m me type ou de type quivalent recommand e par le constructeur Les batteri...

Страница 69: ...ires of 22 AWG minimum should be provided by the installer 37 Caution Power to the hub must be sourced only from the adapter 38 If installed in a closed or multi unit rack assembly the operating ambie...

Страница 70: ...ub washbowl kitchen sink or laundry tub in a wet basement or near a swimming pool Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric s...

Страница 71: ...er Ausr stung oder an Kabeln erfolgen 5 Achtung Das Stromkabel dient als Abtrennungselement Zum Abschalten der Ausr stung Stromkabel abziehen 6 Achtung Ausr stung der Klasse I Diese Ausr stung muss ge...

Страница 72: ...Achtung Beim Installieren dieser Ausr stung ist stets darauf zu achten dass die Rahmenerdung zuerst angeschlossen und zuletzt abgetrennt wird 14 Achtung Das installierte Kabel muss auf etwaige freili...

Страница 73: ...uf dem Typenschild der Ausr stung angegebenen Nennwerte entsprechend ber cksichtigt werden 24 Vorsicht Beim Ersetzen der Batterie durch einen inkorrekten Typ besteht Explosionsgefahr Die Batterie soll...

Страница 74: ...erte Gleichstrom Batteriebank darf nicht angeschlossen werden 35 UL anerkannte Kabel mit mindestens 18 AWG sollten vom Installateur bereitgestellt werden 36 UL anerkannte Kabel mit mindestens 22 AWG s...

Страница 75: ...hs in einem nassen Kellerraum oder in der N he eines Schwimmbads Vermeiden Sie die Verwendung eines Telefons mit Ausnahme eines schnurlosen Typs w hrend eines Gewitters Es k nnte eine geringf gige Bli...

Страница 76: ...a como dispositivo de desconexi n Para desactivar el equipo desconecte el cable de alimentaci n 6 Atenci n Equipo de Clase I Este equipo debe conectarse a tierra La clavija de alimentaci n se debe enc...

Страница 77: ...o que proceda del cable instalado Cuando la instalaci n se realiza correctamente no debe quedar ning n hilo de cobre al descubierto fuera del bloque de terminales Todo cable descubierto puede conducir...

Страница 78: ...ada por el fabricante Deseche la bater a de acuerdo con las instrucciones del fabricante 25 Atenci n En el caso de una conexi n CC centralizada instale la unidad en una zona de acceso restringido 26 U...

Страница 79: ...figuren en la lista UL de un m nimo de 22 AWG 37 Precauci n La alimentaci n del concentrador s lo debe proceder del adaptador 38 Si la unidad se instala en un conjunto de rack cerrado o con varias uni...

Страница 80: ...n s tano h medo o cerca de una piscina Evite el uso de tel fonos no inal mbricos durante una tormenta el ctrica a fin de evitar el riesgo de electrocuci n como consecuencia de un rayo No utilice el te...

Страница 81: ...alimentation est utilis en tant que m canisme de d connexion Pour mettre l quipement hors tension d brancher le cordon d alimentation 6 Avertissement quipement de classe I Cet quipement doit tre mis l...

Страница 82: ...pr s l installation 13 Avertissement Lors de l installation de cet quipement toujours s assurer que la connexion de terre de la structure est install e en premier et d connect e en dernier 14 Avertiss...

Страница 83: ...charges et le c blage d alimentation Tenir compte des valeurs nominales indiqu es sur la plaque signal tique de l quipement 24 Attention Le remplacement de la batterie par une batterie de type incorre...

Страница 84: ...e source SELV uniquement conform ment la norme IEC 60950 Ne pas connecter une rang e de batteries c c centralis e 35 L installateur doit fournir des fils de 18 AWG agr s UL 36 L installateur doit four...

Страница 85: ...quet dans un sous sol humide ou pr s d une piscine viter d utiliser le t l phone autre que sans fil en pr sence de foudre pendant un orage La foudre peut entra ner un l ger risque d lectrocution Ne pa...

Страница 86: ...alimentazione viene utilizzato come dispositivo di scollegamento Per togliere la corrente all apparecchiatura scollegare il cavo di alimentazione 6 Attenzione Apparecchiatura Classe I Questa apparecch...

Страница 87: ...e dai cavi installati Se l installazione viene effettuata correttamente non vi sono fili di rame scoperti sporgenti dal blocco terminale Gli eventuali fili scoperti possono condurre livelli di elettri...

Страница 88: ...on una dello stesso tipo o di un tipo equivalente raccomandato dal produttore Eliminare le batterie usate secondo le istruzioni del produttore 25 Avvertenza In caso di alimentazione CC centralizzata i...

Страница 89: ...o 22 AWG non sono forniti in dotazione 37 Attenzione L hub deve essere alimentato solo mediante l adattatore 38 Se l installazione posizionata in un ambiente chiuso o in rack multi unit la temperatura...

Страница 90: ...i acqua ad esempio vicino a vasche da bagno lavabi lavandini piscine oppure in ambienti umidi Non utilizzare un telefono di tipo non cordless durante un temporale esiste il rischio remoto che i lampi...

Страница 91: ...AT GS2002 Series Installation Guide 91 1 1 2 3 LAN 4 5 6 I 7 8 9 40 C...

Страница 92: ...Appendix C Translated Electrical Safety and Emission Information 92 10 11 15 LAN OFF 12 13 14 15 16 17 18 19...

Страница 93: ...AT GS2002 Series Installation Guide 93 20 21 22 23 24 25 26 UL 600 90 C 14 AWG 27 28 29...

Страница 94: ...Appendix C Translated Electrical Safety and Emission Information 94 30 Allied Telesyn 31 32 33 34 SELV IEC 60950 35 UL 18 AWG 36 UL 22 AWG 37 38 Tmra 39 40...

Страница 95: ...AT GS2002 Series Installation Guide 95 41 42 TEL PSTN 43 26 AWG...

Страница 96: ......

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