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Chapter 1

Overview

The AT-FS750/16 and AT-FS750/24 are Layer 2 Fast Ethernet switches
designed to simplify the task of creating or expanding an Ethernet or Fast
Ethernet network.

This chapter contains the follows sections:

“Features” on page 12

“Front and Back Panels” on page 13

“Ports” on page 14

“LEDs” on page 16

“Power Supply” on page 18

“Ethernet Switching Basics” on page 19

“Network Topologies” on page 22

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Содержание WebSmart AT-FS750/16

Страница 1: ...613 000354 Rev A Fast Ethernet Smart Switches AT FS750 16 AT FS750 24 Installation Guide ...

Страница 2: ...arks 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 includ...

Страница 3: ...stalled and used in accordance with this instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Note Modifications or changes not expressly approved of by the manufacturer or the FCC can void your right t...

Страница 4: ...l símbolo vaya al Apéndice B para ver el mensaje de seguridad traducido a su idioma Important L annexe B contient les instructions de sécurité relatives à l installation de cet équipement Lorsque vous voyez le symbole reportez vous à l annexe B pour consulter la traduction de ces instructions dans votre langue Importante l Appendice B contiene avvisi di sicurezza tradotti per l installazione di qu...

Страница 5: ...MAC Address Table 19 Duplex Mode 20 Store and Forward 20 Back Pressure and Flow Control 21 Network Topologies 22 Power Workgroup Topology 22 Collapsed Backbone 23 Chapter 2 Installation 24 Reviewing Safety Precautions 25 Selecting a Site for the Switch 27 Cabling 28 Unpacking the Switch 29 Installing the Switch on a Desktop 30 Installing a Switch in a Rack 31 Installing an Optional SFP Transceiver...

Страница 6: ...l Specifications 42 Physical Specifications 42 Environmental Specifications 42 Power Specifications 42 Safety and Electromagnetic Emissions Certifications 43 Connectors and Port Pinouts 43 Appendix B Translated Safety Statements 45 ...

Страница 7: ...ack Mount Bracket to the AT FS750 24 31 Figure 9 Mounting the AT FS750 16 Switch on the Rack 32 Figure 10 Mounting the AT FS750 24 Switch on the Rack 32 Figure 11 Removing the Dust Plug from the SFP Slot 34 Figure 12 Inserting the SFP 35 Figure 13 Connecting the Twisted Pair Data Cables 36 Figure 14 Removing the Dust Plug from the SFP 37 Figure 15 Connecting the Fiber Optic Cable 37 Figure 16 Plug...

Страница 8: ...10 100Base T Port LEDs 16 Table 4 Uplink Combo Port LEDs 17 Table 5 Twisted Pair Cabling and Distances 28 Table 6 MDI Pin Signals 10Base T or 100Base TX 43 Table 7 MDI X Pin Signals 10Base T or 100Base TX 44 Table 8 RJ 45 1000Base T Connector Pinouts 44 Tables ...

Страница 9: ... how to install the AT FS750 16 and AT FS750 24 Fast Ethernet Smart switches This preface contains the following sections Safety Symbols Used in this Document on page 8 Where to Find Web based Guides on page 9 Contacting Allied Telesyn on page 10 ...

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 Performing or omitting a specific action may result in electrical shock ...

Страница 11: ...ide 9 Where to Find Web 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 online or download them onto a local workstation or server ...

Страница 12: ...ied 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 Sales or Corporate Information You can contact Allied Telesyn for sales or corporate information through our web site www alliedtelesyn com To find the contact information for your country select Contact...

Страница 13: ...o simplify the task of creating or expanding an Ethernet or Fast Ethernet network This chapter contains the follows sections Features on page 12 Front and Back Panels on page 13 Ports on page 14 LEDs on page 16 Power Supply on page 18 Ethernet Switching Basics on page 19 Network Topologies on page 22 ...

Страница 14: ...Auto MDI MDI X on the twisted pair ports IEEE 802 3 and IEEE 802 3u compliant IEEE 802 3x flow control in full duplex operation back pressure in half duplex operation IEEE 802 1P based QoS support IEEE 802 1Q based tagged up to 4K VLAN support IEEE 802 1X Mac based authentication Port mirroring support Link aggregation support Store and forward switching mode Dynamic Host Configuration Protocol DH...

Страница 15: ...els 10 100Base Twisted Pair Ports AT FS750 16 806 LINK ACT SPEED LINK ACT SPEED POWER 17 18 LINK ACT 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1000M 100M AT FS750 16 16 Port 10 100Mbps 2 SFP 1000T Combo WebSmart Switch Port and System LEDs Console Port Uplink Combo Ports 10 100Base Twisted Pair Ports Port and System LEDs AT FS750 24 SFP Ports 834 1 3 5 7 9 11 13 15 17 19 21 23 POWER 2 4 6 8 10 12 14 ...

Страница 16: ... the switch to set the duplex mode for each port correctly the end nodes that you connect to the switch ports should also use Auto Negotiation Otherwise a duplex mode mismatch can occur affecting network performance For further information refer to Duplex Mode on page 20 Each twisted pair port has a maximum operating distance of 100 m 328 feet For 10 Mbps operation Category 3 or better 100 ohm shi...

Страница 17: ...750 24 If both uplink ports are connected the SFP port takes precedent over the twisted pair port RS 232 Console Port The RS 232 console port uses the management cable supplied with the switch Through the console port you can connect to the switch and use the menus based AT S80 management software user interface ...

Страница 18: ...eiving power On The switch is receiving power Table 3 10 100Base T Port LEDs LED State Description SPEED On The port is operating at 100 Mbps Off The port is operating at 10 Mbps or no link is established AT FS750 16 LINK ACT SPEED LINK ACT SPEED POWER 17 18 LINK ACT 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1000M 100M AT FS750 16 16 Port 10 100Mbps 2 SFP 1000T Combo WebSmart Switch 833 AT FS750 24 8...

Страница 19: ...k port and the end node Off a a When both the 1000M and the 100M LEDs are Off and the LINK ACT LED is Green a valid 10 Mbps link is established between the uplink port and the end node No 1000 Mbps link is established on the uplink port 100M Green A valid 100 Mbps link is established between the uplink port and the end node Off a No 100 Mbps link is established on the uplink port LINK ACT Green a ...

Страница 20: ...ingle AC power supply socket on the back panel which features autoswitch AC inputs To power the switch on or off connect or disconnect the power cord provided with the switch A power cord is supplied with the switch Note For the power requirements refer to Power Specifications on page 42 ...

Страница 21: ...es of the devices that are connected to the switch s ports and the port number where each address was learned When the switch receives a packet it also examines the destination address and by referring to its MAC address table determines the port on which the destination end node is connected It then forwards the packet to the appropriate port and on to the end node This increases network bandwidt...

Страница 22: ...s situation you must configure the port on th e end node to use Auto Negotiation or if it lacks that feature to half duplex Note Because the ports on the AT FS750 16 and AT FS750 24 Fast Ethernet Smart switches operate in Auto Negotiate mode only the end nodes connected to the switch must also be configured to operate in the Auto Negotiate mode If an end node is configured to a specific duplex in ...

Страница 23: ...ode will stop an end node from transmitting data by forcing a collision A collision on an Ethernet network occurs when two end nodes attempt to transmit data using the same data link at the same time A collision causes end nodes to stop sending data When the switch needs to stop a 100 Mbps half duplex end node from transmitting data it forces a collision on the data link which stops the end node W...

Страница 24: ...red to as a power workgroup topology Each workstation or end node is connected directly to a port on the AT FS750 24 switch Each end node has a dedicated data link to the switch for best performance and reliability The devices can operate at 10 Mbps or 100 Mbps Figure 4 Power Workgroup Topology AT FS750 24 834 1 3 5 7 9 11 13 15 17 19 21 23 POWER 2 4 6 8 10 12 14 16 18 20 22 24 25 26 LINK ACT LINK...

Страница 25: ... node for the frame is on a different switch than the end node that originated the frame This reduces the amount of unnecessary data traffic in each workgroup freeing up bandwidth and improving network performance Figure 5 Collapsed Backbone Hub Topology 806 LINK ACT SPEED LINK ACT SPEED POWER 17 18 LINK ACT 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1000M 100M AT FS750 16 16 Port 10 100Mbps 2 SFP 100...

Страница 26: ...ting a Site for the Switch on page 27 Cabling on page 28 Unpacking the Switch on page 29 Installing the Switch on a Desktop on page 30 Installing a Switch in a Rack on page 31 Installing an Optional SFP Transceiver on page 34 Cabling and Powering On the Switch on page 36 Starting a Local Management Session on page 39 ...

Страница 27: ...ng the LAN cables 3 Warning Do not work on equipment or cables during periods of lightning activity 4 Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cord 5 Warning Class I Equipment This equipment must be earthed The power plug must be connected to a properly wired earth ground socket outlet An improperly wired socket outlet could place hazardous...

Страница 28: ...lled in a closed or multi unit rack assembly the operating ambient temperature of the rack environment may be greater than the room ambient temperature Therefore consideration should be given to installing the equipment in an environment compatible with the manufacturer s maximum rated ambient temperature Tmra 38 Caution Installation of the equipment in a rack should be such that the amount of air...

Страница 29: ...ble is level and secure The power outlet for the switch should be located near the unit and should be easily accessible The site should provide for easy access to the ports on the front of the switch This will make it easy for you to connect and disconnect cables as well as view the switch s LEDs To allow proper cooling of the switch air flow around the unit and through its vents on the side and r...

Страница 30: ... straight through or crossover twisted pair cable when connecting any network device to a twisted pair port on the switch Table 5 Twisted Pair Cabling and Distances Speed Type of Cable Maximum Operating Distance 10 Mbps Category 3 or better 100 ohm shielded or unshielded twisted pair cable 100 m 328 ft 100 Mbps Category 5 or Category 5E Enhanced 100 ohm shielded or unshielded twisted pair cable 10...

Страница 31: ...o return the unit to Allied Telesyn 2 Place the switch on a level secure surface 3 Ensure that the following hardware components are included in your switch package If any item is missing or damaged contact your Allied Telesyn sales representative for assistance One AT FS750 16 or AT FS750 24 Smart switch and the following Two rack mount brackets Eight rack mount bracket screws black Four rack mou...

Страница 32: ...move all equipment from the package and store the packaging material in a safe place 2 Turn the switch over and attach the four rubber feet to the bottom of the switch as shown in Figure 6 Figure 6 Attaching the Rubber Feet 3 Turn the switch over again and place it on a flat secure surface such as a desk or table leaving ample space around the unit for ventilation 837 LINK ACT SPEED LINK ACT SPEED...

Страница 33: ...all a bracket on one side of the switch using a Phillips screwdriver and four of the rack mount screws included with the switch Figure 7 shows how to mount the brackets on the AT FS750 16 switch and Figure 8 shows how to mount the brackets on the AT FS750 24 switch Figure 7 Attaching the Rack Mount Bracket to the AT FS750 16 Figure 8 Attaching the Rack Mount Bracket to the AT FS750 24 3 Repeat ste...

Страница 34: ...865 Warning To prevent electric shock do not remove the cover No user serviceable parts inside This unit contains hazardous voltages and should only be opened by a trained and qualified technician To avoid the possibility of electric shock disconnect electric power to the product before connecting or disconnecting the LAN cables 3 Warning Do not work on equipment or cables during periods of lightn...

Страница 35: ... have on overcurrent protection and supply wiring Appropriate consideration of equipment nameplate ratings should be used when addressing this concern 23 Warning Mounting of the equipment in the rack should be such that a hazardous condition is not created due to uneven mechanical loading 27 If installed in a closed or multi unit rack assembly the operating ambient temperature of the rack environm...

Страница 36: ...tall the transceiver before you connect cables to it 1 Remove the transceiver from its shipping container and store the packaging material in a safe location Warning An SFP transceiver can be damaged by static electricity Be sure to observe all standard electrostatic discharge ESD precautions such as wearing an antistatic wrist strap to avoid damaging the transceiver 2 Remove the dust plug from th...

Страница 37: ... are installing another SFP transceiver Note SFP transceivers are 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 Unnecessary removal and insertion of an SFP can lead to premature failure For information about cabling for the SFP consult the documentation that was sh...

Страница 38: ...the switch The tab on the connector should lock the connector into place The ports on the switch are auto MDI MDI X You can use either a straight through or crossover twisted pair cable to connect any type of network device to a port on the switch The network should not contain data loops which can adversely affect network performance A data loop exists when two or more network devices can communi...

Страница 39: ...gure 14 Removing the Dust Plug from the SFP 2 Connect the fiber optic cable to the SFP port as shown in Figure 15 Figure 15 Connecting the Fiber Optic Cable Powering On the Switch To power on the switch perform the following procedure 1 Plug the power cord into the AC power connector on the back of the switch as shown in Figure 16 866 868 ...

Страница 40: ...session on the switch refer to Starting a Local Management Session on page 39 To start a remote management session the switch must have an IP address For information about giving the switch an IP address and starting a remote management session refer to the AT S80 Management Software User s Guide Warning Power cord is used as a disconnection device To de energize equipment disconnect the power cor...

Страница 41: ...one end of the management cable to the console port on the switch as shown in Figure 17 Figure 17 Connecting the Console Cable 2 Connect the other end of the cable to the RS 232 port on a terminal or PC with a terminal emulator program 3 Configure the terminal or terminal emulator program as follows Baud per second 9600 Data bits 8 Stop bits 1 Flow control None Note These default settings are for ...

Страница 42: ...The Main Menu is shown in Figure 19 Figure 19 Main Menu AT FS750 16 Local Management System Local Console Allied Telesyn International Corp Copyright 2005 Login Menu Login Password AT FS750 16 Local Management System Enter the character in square brackets to select option Main Menu G eneral Information B asic Switch Configuration A dvanced Switch Configuration Switch T ools S tatistics Q uit Comma...

Страница 43: ...ry connecting the unit to another power source Try using a different power cord Verify that the voltage from the power source is within the required levels for your region Verify that the LINK ACT LED for each port is ON If a LINK ACT LED is OFF do the following Verify that the end node connected to the port is powered on and is operating properly Verify that the twisted pair cable is securely con...

Страница 44: ...S750 16 2 22 kg 4 9 lbs AT FS750 24 3 06 kg 6 75 lbs Environmental Specifications 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 Altitude Range Up to 3 000 m 9 843 ft Power Specifications Input Supply Voltage 100 240 VAC Power Consumption AT FS750 16 12 5 Watt...

Страница 45: ...s Connectors and Port Pinouts This section lists the connectors and connector pinouts for the AT GS950 16 and AT GS950 24 switches and their components Figure 20 illustrates the pin layout for an RJ 45 connector and port Figure 20 RJ 45 Connector and Port Pin Layout Table 6 lists the RJ 45 pin signals when a twisted pair port is operating in the MDI configuration Table 6 MDI Pin Signals 10Base T o...

Страница 46: ... 8 lists the RJ 45 connector pins and their signals when a 1000Base T port is operating at 1000 Mbps Table 7 MDI X Pin Signals 10Base T or 100Base TX Pin Signal 1 RX 2 RX 3 TX 6 TX Table 8 RJ 45 1000Base T Connector Pinouts Pin Pair Signal 1 1 TX and RX 2 1 TX and RX 3 2 TX and RX 4 3 TX and RX 5 3 TX and RX 6 2 TX and RX 7 4 TX and RX 8 4 TX and RX ...

Страница 47: ... Sprachen Importante Este apéndice contiene traducciones en múltiples idiomas de los mensajes de seguridad incluidos en esta guía Important Cette annexe contient la traduction en plusieurs langues des instructions de sécurité figurant dans ce guide Importante Questa appendice contiene traduzioni in più lingue degli avvisi di sicurezza di questa guida Важно Данное приложение содержит переводы с раз...

Страница 48: ...ket outlet shall be installed near the equipment and shall be easily accessible 8 Caution Air vents must not be blocked and must have free access to the room ambient air for cooling 9 Warning Operating Temperature This product is designed for a maximum ambient temperature of 40 degrees C 10 All Countries Install product in accordance with local and National Electrical Codes 11 Warning As a safety ...

Страница 49: ...should be easily accessible 22 Caution To allow proper cooling of the gateway device make sure that the air flow around the unit and through its heatsink cooling fins on the rear is not restricted 23 Circuit Overloading Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply w...

Страница 50: ...ed to install or to replace this equipment 34 Warning The power input must be provided from SELV source only per IEC 60950 Do not connect to a centralized DC battery bank 35 UL recognized wires of 18 AWG minimum should be provided by the installer 36 UL recognized wires 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 ins...

Страница 51: ...a bathtub 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 shock from lightning Do not use the telephone to report a gas leak in the vicinity of the leak 42 Warning Before connecting to the telephony TEL ports on the gateway device make sure to disconne...

Страница 52: ...ckdose angeschlossen werden Eine inkorrekt verdrahtete Steckdose kann gefährliche Spannungen auf zugängliche Metallteile aufbringen 7 Steckbare Ausrüstung Die Steckdose sollte in der Nähe der Ausrüstung installiert und leicht zugänglich sein 8 Vorsicht Belüftungsöffnungen dürfen nicht blockiert werden und müssen zur Kühlung durch die Umluft frei zugänglich sein 9 Achtung Betriebstemperatur Dieses ...

Страница 53: ...der Wasser ausgesetzt werden 20 Vorsicht Bei der Innenraummontage des Gateway Geräts ist darauf zu achten dass es in einer staubfreien Umgebung installiert wird Es sollte ein Installationsort gewählt werden an dem die Ports am Gateway Gerät gut zugänglich sind um das Anschließen und Abtrennen von Kabeln zu erleichtern und den freien Blick auf die LEDs zu ermöglichen 21 Achtung Die Stromquelle für ...

Страница 54: ...Wartungsarbeiten sollten zur Reduzierung des Stromschlagrisikos alle Stromkabel abgetrennt werden 33 Achtung Das Installieren und der Austausch dieser Ausrüstung ist nur ausgebildetem und qualifiziertem Personal gestattet 34 Achtung Der Stromeingang darf nur über eine SELV Quelle gemäß IEC 60950 erfolgen Eine zentralisierte Gleichstrom Batteriebank darf nicht angeschlossen werden 35 UL anerkannte ...

Страница 55: ...ns eines Waschbottichs in einem nassen Kellerraum oder in der Nähe eines Schwimmbads Vermeiden Sie die Verwendung eines Telefons mit Ausnahme eines schnurlosen Typs während eines Gewitters Es könnte eine geringfügige Blitzschlaggefahr bestehen Verwenden Sie das Telefon nicht um das Austreten von Gas zu melden wenn es sich in der Nähe dieser Gefahrenquelle befindet 42 Achtung Vergewissern Sie sich ...

Страница 56: ...igrosas en las piezas metálicas accesibles para el usuario 7 El equipo requiere conexión La toma eléctrica debe estar situada cerca del equipo y ser de fácil acceso 8 Precaución Las rejillas de ventilación no deben estar obstruidas y deben tener libre acceso al aire de la sala para facilitar la refrigeración 9 Atención Temperatura de funcionamiento Este producto está diseñado para funcionar con un...

Страница 57: ...o de puerta de enlace De esta forma resultará fácil conectar y desconectar los cables y ver los indicadores LED 21 Atención La toma eléctrica de la unidad de puerta de enlace debe estar situada cerca de la unidad y ser de fácil acceso 22 Precaución Para permitir la refrigeración adecuada del dispositivo de puerta de enlace asegúrese de no limitar la circulación de aire alrededor de la unidad ni a ...

Страница 58: ...convenientemente formado y cualificado 34 Atención La alimentación sólo debe proceder de una toma SELV conforme a la norma UEC 60950 No conecte la unidad a un banco centralizado de baterías CC 35 El instalador debe suministrar cables que figuren en la lista UL de un mínimo de 18 AWG 36 El instalador debe suministrar cables que figuren en la lista UL de un mínimo de 22 AWG 37 Precaución La alimenta...

Страница 59: ...ro en un sótano húmedo o cerca de una piscina Evite el uso de teléfonos no inalámbricos durante una tormenta eléctrica a fin de evitar el riesgo de electrocución como consecuencia de un rayo No utilice el teléfono para notificar una fuga de gas en las inmediaciones de la misma 42 Atención Antes de realizar la conexión a los puertos de telefonía TEL del dispositivo de puerta de enlace asegúrese de ...

Страница 60: ... branchée sur une sortie d alimentation correctement mise à la terre Dans le cas contraire les pièces métalliques accessibles risquent d être soumises à des tensions dangereuses 7 Équipement à connecter La prise d alimentation doit se situer à proximité de l équipement et être facilement accessible 8 Attention Les orifices de ventilation doivent rester libres de toute obstruction pour pouvoir assu...

Страница 61: ... Attention Si le périphérique servant de passerelle est installé à l intérieur s assurer qu il se trouve dans en endroit non poussiéreux Le site doit offrir un accès aisé au port du périphérique servant de passerelle afin de faciliter la connexion et la déconnexion des câbles tout en permettant d observer aisément les voyants 21 Avertissement La source d alimentation d une unité servant de passere...

Страница 62: ...tion débrancher tous les cordons d alimentation avant de procéder à la maintenance de l unité 33 Avertissement Seul le personnel qualifié et compétent est autorisé à installer ou à remplacer cet équipement 34 Avertissement L alimentation doit être fournie par une source SELV uniquement conformément à la norme IEC 60950 Ne pas connecter à une rangée de batteries c c centralisée 35 L installateur do...

Страница 63: ...abo un évier ou un baquet dans un sous sol humide ou près d une piscine Éviter d utiliser le téléphone autre que sans fil en présence de foudre pendant un orage La foudre peut entraîner un léger risque d électrocution Ne pas utiliser le téléphone pour signaler une fuite de gaz à proximité de la fuite 42 Avertissement Avant de connecter les ports téléphoniques TEL sur le périphérique servant de pas...

Страница 64: ...rrettamente cablato e messo a terra Un socket non correttamente cablato potrebbe trasferire voltaggi pericolosi su componenti di metallo accessibili 7 Apparecchiatura cablata Il socket deve essere installato accanto all apparecchiatura e deve essere facilmente accessibile 8 Attenzione Le prese d aria non devono essere ostruite e devono avere libero accesso all aria dell ambiente per raffreddare l ...

Страница 65: ...e i cavi e visualizzare i LED in modo semplice 21 Avvertenza La fonte di alimentazione dell unità gateway deve essere posizionata vicino all unità in un luogo facilmente accessibile 22 Attenzione Per consentire il raffreddamento appropriato del dispositivo gateway verificare che il flusso d aria attorno all unità e attraverso le ventole di raffreddamento per la dispersione del calore poste sul ret...

Страница 66: ...ra 34 Avvertenza L alimentazione deve essere fornita da una fonte SELV come specificato nello standard IEC 60950 Non collegare il dispositivo a una batteria CC centralizzata 35 I cavi riconosciuti UL di minimo 18 AWG non sono forniti in dotazione 36 I cavi riconosciuti UL di minimo 22 AWG non sono forniti in dotazione 37 Attenzione L hub deve essere alimentato solo mediante l adattatore 38 Se l in...

Страница 67: ...simità di 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 provochino scosse elettriche Per segnalare una perdita di gas non utilizzare il telefono in prossimità della perdita 42 Avvertenza Prima di utilizzare le porte per il collegamento telefonico T...

Страница 68: ...динение может подвергнуть доступные металлические части действию опасного напряжения 7 Розетки Розетка должна быть установлена невдалеке от оборудования и должна быть легко доступной 8 Предостережение Вентиляционные отверстия не должны быть заблокированы и должен быть свободный доступ к воздуху в комнате для охлаждения 9 Внимание Рабочая температура Этот продукт предусмотрен для температуры окружа...

Страница 69: ...ещении позаботьтесь чтобы в помещении не было пыли Должен быть обеспечен легкий доступ к портам оборудования чтобы Вам было легко соединять и отсоединять кабели и видеть светодиоды 21 Внимание Источник питания должен быть невдалеке от установки и к нему должен быть удобный доступ 22 Предостережение Для хорошей вентиляции шлюзовой установки позаботьтесь чтобы вокруг установки и через вентиляционные...

Страница 70: ...хническим обслуживанием установки отсоедините все провода питания 33 Внимание Оборудование должно обслуживаться и заменяться только обученными и квалифицированными работниками 34 Внимание Питание должно подаваться только от источника SELV в соответствии с IEC 60950 Не подключайте к централизованному блоку аккумуляторов постоянного тока 35 Инсталлятор должен обеспечивать провода признанные UL миним...

Страница 71: ...орудование рядом с водой например ванной раковиной или стиральным резервуаров или в мокром подвале рядом с бассейном Во время электрической бури не используйте телефон кроме беспроводного Есть некоторый риск поражения от молнии Не используйте телефон для сообщения об утечке газа вблизи от утечки 42 Внимание Перед соединения к телефонным портам TEL на шлюзовой установке отсоедините городской телефо...

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