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Chapter 1: Overview

18

Feature Overview

This section describes the features of the IE510 series switch.

SFP Slots

The basic features of the SFP slots on the switch are:



Supports 100Base-FX and 1000Base-SX/LX SFP transceivers



Supports single-port BiDi 1000Base-LX SFP transceivers



Supports 1000Base-ZX SFP transceivers

SFP+ Slots

The basic features of the four SFP+ slots on the switch are:



Supports 10Gbps, 10GBase-SR/LR fiber optic transceivers



Supports 10Gbps AT-SP10TW direct connect twinax cables with
SFP+ transceiver-style connectors



Supports 1000Base-SX/LX SFP transceivers



Supports single-port BiDi 1000Base-LX SFP transceivers



Supports 1000Base-ZX SFP transceivers

The SFP+ slots do not support 100Mbps 100Base-FX transceivers.

Note

SFP+ slots 27 and 28 are initially configured as stacking slots for the
VCStack feature. To use the switch as a stand-alone unit, disable
the VCStack feature before using the slots. For instructions on how
to disable VCStack, see “Disabling VCStack” on page 83.

Note

SFP and SFP+ transceivers must be purchased separately. For a
list of supported transceivers, contact your Allied Telesis distributor
or reseller.

Stacking Slots

Two of the SFP+ slots can be used to create a VCStack of up to four
switches. The slots support any Allied Telesis SPF+ module. For
information on virtual chassis stacking, see Chapter 2, “Virtual Chassis
Stacking” on page 35.

Alarm Ports

The switch contains two alarm ports:



Alarm input



Alarm output

Each alarm port contains three contact points.

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Содержание AT-IE510-28GSX-80

Страница 1: ...613 002101 Rev B IE510 Series Industrial Ethernet Switches AT IE510 28GSX 80 Installation Guide...

Страница 2: ...espective owners Allied Telesis Inc reserves the right to make changes in specifications and other information contained in this document without prior written notice The information provided herein i...

Страница 3: ...rference 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...

Страница 4: ...ge Directive All Allied Telesis approved SFP modules EN60825 1 EN60825 2 EN IEC UL60950 1 FCC CDRH registered European Union Restriction of the Use of Certain Hazardous Substances RoHS in Electrical a...

Страница 5: ...ty Statements Important The indicates that a translation of the safety statement is available in a PDF document titled Translated Safety Statements on the Allied Telesis web site at http www alliedtel...

Страница 6: ...6...

Страница 7: ...5 LEDs 26 LEDs for the SFP Slots 26 LEDs for the SFP Slots 26 LEDs for the Stacking Slots 27 Switch ID LED 28 USB Port 31 Console Port 32 Power Supplies 33 Specifying Ports in the Command Line Interfa...

Страница 8: ...ature 86 Chapter 8 Verifying the Status of VCStack 89 Verifying the Status of VCStack 90 Starting a Local Management Session 91 Activating the VCStack Feature 93 Chapter 9 Cabling the Stacking Ports 9...

Страница 9: ...ounding Wire to the Ring Lug 63 Figure 25 Removing the Nut from the Grounding Post 64 Figure 26 Installing the Grounding Wire 64 Figure 27 Loosening the Two Captive Screws on the DC Connector 67 Figur...

Страница 10: ...Dust Plug from the S2 Slot 99 Figure 60 Installing a TwinAx Cable in Slot S2 100 Figure 61 Handle on SFP Module 101 Figure 62 Installing an SFP Module 102 Figure 63 Removing the Dust Cover from an SFP...

Страница 11: ...7 Ventilation Requirements 121 Table 8 Environmental Specifications 122 Table 9 Maximum Power Consumption 122 Table 10 Input Voltages 122 Table 11 Alarm Contact Power Specifications 122 Table 12 Produ...

Страница 12: ...Tables 12...

Страница 13: ...ne unit or multiple switches in a stack configuration with Virtual Chassis Stacking VCStack This preface contains the following sections Document Conventions on page 14 Contacting Allied Telesis on pa...

Страница 14: ...ay result in equipment damage or loss of data Warning Warnings with the high voltage symbol inform you that performing or omitting a specific action may result in bodily injury Warning Warnings with t...

Страница 15: ...t Return Merchandise Authorizations RMAs and contact Allied Telesis technical experts USA and EMEA phone support Select the phone number that best fits your location and customer type Hardware warrant...

Страница 16: ...Preface 16...

Страница 17: ...g Slots for VCStack on page 23 Alarm Ports on page 24 eco friendly Button on page 25 LEDs on page 26 USB Port on page 31 Console Port on page 32 Power Supplies on page 33 Specifying Ports in the Comma...

Страница 18: ...se ZX SFP transceivers The SFP slots do not support 100Mbps 100Base FX transceivers Note SFP slots 27 and 28 are initially configured as stacking slots for the VCStack feature To use the switch as a s...

Страница 19: ...of 16 000 dynamic MAC address entries Storage capacity of 256 static MAC address entries Automatic learning and aging Management Software and Interfaces The management software and interfaces are Alli...

Страница 20: ...gure 2 respectively Figure 1 AT IE510 28GSX 80 Front Panel Figure 2 shows the back panel of the switch Figure 2 AT IE510 28GSX 80 Back Panel AT IE510 28GSX 80 SFP Slots SFP Slots Management Panel SFP...

Страница 21: ...tallation Guide 21 Management Panel Figure 3 identifies the components in the management panel on the switch Figure 3 AT IE510 28GSX 80 Management Panel Console eco friendly Button Switch Port ID LED...

Страница 22: ...ptic transceivers 10Gbps AT SP10TW direct connect twinax cables with SFP transceiver style connectors You may use the transceivers to connect switches to other network devices over large distances bui...

Страница 23: ...of stacks are You can manage multiple units simultaneously which can simplify network management You have more flexibility in how you configure some of the features For instance a static port trunk o...

Страница 24: ...to the outside environment See Appendix A Technical Specifications on page 121 for a description of the alarm input and alarm output pinouts Alarm Input You can connect an alarm input to a dry contac...

Страница 25: ...fy a specific unit among the devices in an equipment rack It is the FINDME command The command works on the switch even if you turned off the LEDs with the eco friendly button or NO ECOFRIENDLY LED co...

Страница 26: ...are located between the slots as shown in Figure 5 Each SFP slot has one LED The left hand LED is for the top slot and the right hand LED is for the bottom slot Table 1 SFP Slot LEDs LED State Descri...

Страница 27: ...he VCStack feature is enabled on the switch Table 2 SFP Slot LEDs LED State Description Link Activity Off The slot is empty the SFP or SFP transceiver has not established a link to a network device or...

Страница 28: ...tch Figure 6 Switch ID LED The states of the LED when the switch is not operating in the low power mode are shown in Figure 7 Table 3 Stacking Slot LEDs LED State Description Link Activity Off The slo...

Страница 29: ...xceeded the normal operating range and the switch may shut down Note You can use the SHOW SYSTEM ENVIRONMENT command in the command line interface to identify the source of the problem The states of t...

Страница 30: ...hapter 1 Overview 30 Figure 8 Switch ID LEDs in the Low Power Mode The switch is the master switch of a VCStack The switch is operating as a stand alone unit The switch is a member switch of a VCStack...

Страница 31: ...t to store configuration files on flash drives and to restore configuration files to switches whose settings have been lost or corrupted or to quickly configure replacement units You may also use the...

Страница 32: ...nagement cable included with the switch To establish a local management session with the switch connect a terminal or a personal computer with a terminal emulation program to the Console port which ha...

Страница 33: ...dancy It protects against interruptions to network operations in the event one power supply loses power or fails Power redundancy is available only when both DC connectors on the switch are connected...

Страница 34: ...in the PORT parameter when configuring ports on stand alone switches The module ID value is used with multi module products This value does not apply to the IE510 Series switches and should always be...

Страница 35: ...38 Master and Member Switches on page 42 Note This chapter provides an overview of the Virtual Chassis Stacking VCStack feature which allows you to connect up to four switches to form a virtual switc...

Страница 36: ...ility and resiliency A stack gives you more flexibility in the available configurations of features For instance you can create port aggregators of ports from different switches in the stack rather th...

Страница 37: ...tches or you can disable the VCStack feature and use them as additional networking slots The names of the slots depend on the status of the VCStack feature on the switch When VCStack is enabled the ma...

Страница 38: ...ing slots on the switches The stacking transceiver in the S1 slot in one switch must connect to the stacking transceiver in the S2 slot in the next switch Figure 10 is an example of a stack of two swi...

Страница 39: ...ogy except that the unused stacking ports on the end switches of the stack are connected to form a physical loop This topology is more resilient than the linear topology because there are two pathways...

Страница 40: ...Chapter 2 Virtual Chassis Stacking 40 Figure 12 Stack of Two Switches in the Ring Topology Figure 13 is an example of a stack of four switches in the ring topology...

Страница 41: ...the same in terms of network speed and performance However the ring topology is the recommended wiring configuration because of the secondary path through the stacking ports The two pathways protect t...

Страница 42: ...aster Switch The devices compare the following numbers to choose the master switch when the stack is reset or powered on Stack priority numbers MAC addresses The stack priority number is an adjustable...

Страница 43: ...urther information refer to Specifying Ports in the Command Line Interface on page 34 The ID numbers are also used to identify the parameter settings that are stored in the configuration file When the...

Страница 44: ...Chapter 2 Virtual Chassis Stacking 44...

Страница 45: ...eginning the Installation The chapter contains the following sections Reviewing Safety Precautions on page 46 Choosing a Site for the Switches on page 50 Planning a Stack on page 51 Unpacking the Swit...

Страница 46: ...struments Class 1M Laser product Rayonnement Laser Ne pas observer directement l aide d instruments d optique Appareil Laser de classe 1M Warning Do not stare into the laser beam L2 Warning Do not loo...

Страница 47: ...for cooling E6 Warning When the unit is operational it will be hot Exercise caution when handling with unprotected hands Note All Countries Install product in accordance with local and National Electr...

Страница 48: ...that a hazardous condition is not created due to uneven mechanical loading E25 Note Use dedicated power circuits or power conditioners to supply reliable electrical power to the device E27 Warning Thi...

Страница 49: ...on The unit does not contain serviceable components Please return damaged units for servicing E42 Warning When you remove an SFP module from this product the case temperature of the SFP may exceed 40...

Страница 50: ...the switches so that you can easily connect and disconnect cables and view the port LEDs The site should allow for adequate air flow around the units and through the cooling vents on the front and rea...

Страница 51: ...or ring Both topologies offer the same in terms of speed but the ring topology adds wiring redundancy You can use combinations of Allied Telesis TwinAx cables and SFP modules with fiber optic cables w...

Страница 52: ...lastic push rivets eight M3 bracket screws and four 8 x 1 5 inch wood screws with plastic anchors Note You should retain the original packaging material in the event you need to return the unit to All...

Страница 53: ...hapter 4 Mounting the Switch The procedures in this chapter are Installing the Switch in an Equipment Rack on page 54 Installing the Switch on a Wall Mount on page 58 Inserting the Rubber Feet on page...

Страница 54: ...pre mounted to install the switch as a mid mount in a 19 inch rack If you are installing the switch in this configuration you do not need to move the brackets Caution The chassis may be heavy and awk...

Страница 55: ...ies Installation Guide 55 Figure 15 Attaching the Equipment Rack Brackets for a 19 Inch Rack Mid Mount Pre installed bracket position Figure 16 Attaching the Equipment Rack Brackets for a 19 Inch Rack...

Страница 56: ...Chapter 4 Mounting the Switch 56 Figure 17 Attaching the Equipment Rack Brackets for a 23 Inch Rack Front Mount Figure 18 Attaching the Equipment Rack Brackets for a 23 Inch Rack Mid Mount...

Страница 57: ...he switch in the equipment rack secure it using standard equipment rack screws not provided as shown in Figure 19 Figure 19 Mounting the Switch in an Equipment Rack 5 If you are installing a VCStack r...

Страница 58: ...Choosing a Site for the Switches on page 50 to verify that the selected site is suitable for the unit 2 Check to be sure that all of the appropriate components are included in the shipping container R...

Страница 59: ...or desktop you should insert the rubber feet first 1 Place the unit upside down on a level secure surface 2 Insert the rivets into the rubber feet 3 Insert the rubber feet into the four holes and push...

Страница 60: ...Chapter 4 Mounting the Switch 60...

Страница 61: ...Required Materials and Tools on page 62 Connecting the Grounding Wire on page 63 Connecting the 48 60VDC or 48 60VDC and RETURN Wires on page 66 Monitoring the Switch Initialization Process on page 7...

Страница 62: ...or the RETURN connection The standard color for the wire is black One ring lug suitable for a M4 8 stud and 12 AWG wire An example of a ring lug is shown in Figure 22 Figure 22 Ring Lug Note The groun...

Страница 63: ...nt of insulation from one end of the ground cable for the ring lug The amount may vary depending on the type of ring lug but 6 5mm 0 25 in is typically sufficient Refer to Figure 23 Figure 23 Strippin...

Страница 64: ...post If necessary use a second 7mm wrench to hold the bottom nut still while removing the top nut 4 Attach the grounding lug and wire to the grounding post and secure them with the nut removed in Step...

Страница 65: ...ies Installation Guide 65 5 Connect the other end of the grounding wire to the building protective earth 6 After installing the grounding wire go to Connecting the 48 60VDC or 48 60VDC and RETURN Wire...

Страница 66: ...a safety precaution install a circuit breaker with a minimum value of 10 Amps between the equipment and the DC power source Always connect the wires to the LAN equipment first before connecting the wi...

Страница 67: ...Two Captive Screws on the DC Connector 2 Slide the DC connector from the chassis Refer to Figure 28 Figure 28 Removing the DC Connector 3 Use a 3mm 0 125 in flat head screwdriver to loosen the two cap...

Страница 68: ...30 Figure 30 Stripping a Stranded Power Wire 5 Insert the black and red wires into the power connector according to Table 4 Secure them by tightening the captive screw with a flat head screwdriver Al...

Страница 69: ...age and Return Wires 6 Slide the DC connector into the slot on the switch Refer to Figure 32 Figure 32 Sliding the DC Connector into the Switch 7 Tighten the two captive screws on the sides of the DC...

Страница 70: ...Connect the voltage and RETURN wires to the DC circuit 9 Repeat this procedure to connect the power wires to the second DC power supply in the switch 10 If you are installing a stand alone switch powe...

Страница 71: ...irst 15 seconds and then the number 1 Connect a terminal or a computer that has a terminal emulator program to the Console port on the switch The bootup sequence is complete when the awplus login prom...

Страница 72: ...Chapter 5 Wiring the DC Connectors 72...

Страница 73: ...pter 6 Installing SFP and SFP Transceivers This chapter contains the guidelines and procedures for installing SFP and SFP transceivers General Guidelines on page 74 Installing SFP and SFP Modules on p...

Страница 74: ...n page 18 The operational specifications and fiber optic cable requirements of the transceivers are provided in the documents included with the devices You should install a transceiver before connecti...

Страница 75: ...lug from a Transceiver Slot 2 Remove the transceiver from its shipping container and store the packaging material in a safe location 3 If you are installing the transceiver in a top slot position the...

Страница 76: ...to install the remaining transceivers in the switch 5 Remove the dust cover from the transceiver as shown in Figure 36 Figure 36 Removing the Dust Cover from a Transceiver 6 Verify the position of th...

Страница 77: ...e transceiver as shown in Figure 38 The connector on the cable should fit snugly into the port and the tab should lock the connector into place Figure 38 Connecting a Fiber Optic Cable to a Transceive...

Страница 78: ...Chapter 6 Installing SFP and SFP Transceivers 78...

Страница 79: ...ne Operations This chapter contains the following procedures Determining the Status of the VCStack Feature on page 80 Starting a Local Management Session on page 81 Disabling VCStack on page 83 Confir...

Страница 80: ...ansceivers on page 73 to continue with the installation If the LED is displaying a number other than 0 you need to disable the VCStack feature to use the switch as a stand alone unit You can disable t...

Страница 81: ...anel of the switch as shown in Figure 39 Figure 39 Connecting the Management Cable to the Console Port 2 Connect the other end of the cable to an RS 232 port on a terminal or PC with a terminal emulat...

Страница 82: ...e and friend as the password The user name and password are case sensitive The local management session starts when the User Exec mode prompt shown in Figure 40 is displayed Figure 40 User Exec Mode P...

Страница 83: ...s already disabled on the switch and the SFP stacking slots may be used with regular SFP or SFP transceivers If the Operational Status is Standalone Unit as shown in Figure 41 on page 83 the VCStack f...

Страница 84: ...NO STACK ENABLE Command 6 Type Y to disable VCStack on the switch or N to cancel the procedure 7 Enter the EXIT command to return to the Privileged Exec mode as shown in Figure 44 Figure 44 Returning...

Страница 85: ...the Switch ID LED The switch is ready for normal network operations as a stand alone unit when its ID number is 0 Refer to see the VCStack Feature Overview and Configuration Guide on AlliedTelesis co...

Страница 86: ...he status of one of the last two SFP slots on the switch For example enter this command to view the status of slot 27 show interface port1 0 27 If VCStack is disabled the switch displays the status of...

Страница 87: ...of a Stacking Slot When VCStack is Enabled Once you have confirmed VCStack is disabled go to Chapter 6 Installing SFP and SFP Transceivers on page 73 to continue with the installation awplus show inte...

Страница 88: ...Chapter 7 Configuring the Switch for Stand alone Operations 88...

Страница 89: ...pter 8 Verifying the Status of VCStack The procedures in this chapter are Verifying the Status of VCStack on page 90 Starting a Local Management Session on page 91 Activating the VCStack Feature on pa...

Страница 90: ...feature is disabled and needs to be enabled To test the status of VCStack perform the following procedure 1 Power on one of the switches 2 Wait one minute for the switch to initialize its management s...

Страница 91: ...anel of the switch as shown in Figure 48 Figure 48 Connecting the Management Cable to the Console Port 2 Connect the other end of the cable to an RS 232 port on a terminal or PC with a terminal emulat...

Страница 92: ...end as the password The user name and password are case sensitive The local management session starts when the User Exec mode prompt shown in Figure 49 is displayed Figure 49 User Exec Mode Prompt The...

Страница 93: ...d Exec mode as shown in Figure 50 Figure 50 Moving to the Privileged Exec Mode with the ENABLE Command 3 Enter the CONFIGURE TERMINAL command to move to the Global Configuration mode as shown in Figur...

Страница 94: ...nd as shown in Figure 55 Figure 55 Rebooting the Switch with the REBOOT Command 8 Type Y for yes 9 Wait one minute for the switch to initialize its management software 10 Check the ID LED and do one o...

Страница 95: ...95 Chapter 9 Cabling the Stacking Ports This chapter contains the following procedures Cabling Switches with TwinAx Cables on page 96 Cabling Switches with SFP Modules on page 101...

Страница 96: ...switches in a VCStack Cables and modules from other vendors are not supported and will fail to create an active link Caution A transceiver can be damaged by static electricity Be sure to observe all...

Страница 97: ...r and store the packaging material in a safe location 3 Remove the dust cap from one end of the cable as shown in Figure 57 Figure 57 Removing the Dust Cover from a TwinAx Cable 4 Position the cable w...

Страница 98: ...TwinAx Cable in Slot S1 5 Remove the dust cover from the S2 slot in the next switch in the stack as shown in Figure 59 Note The cable must cross over to different slots on the switches The stack will...

Страница 99: ...9 Removing the Dust Plug from the S2 Slot 6 Remove the dust cover from the connector on the other end of the cable 7 Position the cable with the release tab on the bottom and slide it into the slot un...

Страница 100: ...l switches to the stack with TwinAx cables 9 To create the redundant path with the ring topology shown in Figure 12 on page 40 and Figure 13 on page 41 connect a cable to the empty stacking slots on t...

Страница 101: ...create an active link For guidelines on cabling switches refer to Planning a Stack on page 51 To cable switches with fiber optic transceivers perform the following procedure 1 Remove the dust cover fr...

Страница 102: ...module as shown in Figure 63 Figure 63 Removing the Dust Cover from an SFP Module 5 Verify the position of the handle on the SFP module If the module is in the S1 slot the handle should be in the upri...

Страница 103: ...e fiber optic cable to the SFP module as shown in Figure 65 The connector on the cable should fit snugly into the port and the tab should lock the connector into place Figure 65 Connecting the Fiber O...

Страница 104: ...edure on the other switches of the stack The connections must cross over such that an SFP module in slot 1 connects to an SFP module in slot 2 9 After you connect the fiber optic cables to all of the...

Страница 105: ...he ID numbers to the switches of the stack The numbers are assigned in the order in which you power on the units Otherwise perform Powering On the Switches Simultaneously on page 108 to have the switc...

Страница 106: ...t result in a different switch being assigned that role However this does not affect their ID number assignments the configuration of the switches or the manner in which you manage the stack This proc...

Страница 107: ...witch which has the ID number 1 and at this point is the master switch of the stack notifies the new switch that its current ID number is already being used and that it should change its number to the...

Страница 108: ...bled on the switches as explained in Chapter 8 Verifying the Status of VCStack on page 89 You connected the switches as explained in Chapter 9 Cabling the Stacking Ports on page 95 All the switches ar...

Страница 109: ...d near the equipment and shall be easily accessible E5 2 Wait two or three minutes for the switches to select a master switch and to assign the ID numbers At this point the stack is operational The ID...

Страница 110: ...nnected in the ring topology and Ring topology is broken when the switches are connected in the linear topology The priority values will be 128 the default value if they have not been changed on the s...

Страница 111: ...mode as shown in Figure 67 Figure 67 Moving to the Global Configuration Mode with the CONFIGURE TERMINAL Command 2 Use the STACK PRIORITY command to set the priority numbers The command has this form...

Страница 112: ...TE command to save your change in the configuration file The switch displays the confirmation prompt in Figure 69 Figure 69 Saving the Priority Values with the WRITE Command 5 To end the management se...

Страница 113: ...flash x510 5 4 2a 20120727 1 rel Verifying release OK Booting Starting base first OK Mounting virtual filesystems OK ______________ ____ ______ _ __ ______ ______ ____ ______ ____ ____________ Allied...

Страница 114: ...ing network stackd OK Starting network election timeout OK Received event network enabled Initializing HA processes openhpid hostd cntrd nsm auth epsr hsl imiproxyd irdpd lldpd loopprot mstp ospf6d ri...

Страница 115: ...30 selecting unused member ID 21 12 52 awplus VCS 734 Renumbering member 1 0015 774f ed30 to ID 2 21 12 52 awplus VCS 734 Automatically rebooting stack member 2 0015 774f ed30 due to duplicate member...

Страница 116: ...Chapter 10 Powering On the Stack 116...

Страница 117: ...nnected to active network devices Solution The switch may be operating in the low power mode To toggle on the LEDs press the eco friendly button on the front panel of the switch You may also toggle th...

Страница 118: ...evice Check that the transceiver is fully inserted in the slot If you are using SFP slots 27 or 28 check that the VCStack feature is disabled on the switch The VCStack feature has to be disabled befor...

Страница 119: ...t the fan is operating correctly Verify that the location of the switch allows for adequate airflow The unit will shut down if it is in danger of overheating Problem 8 The Switch ID LED on the front o...

Страница 120: ...Chapter 11 Troubleshooting 120...

Страница 121: ...3 RJ 45 Style Serial Console Port Pinouts on page 124 RJ 45 Style Alarm Port Pinouts on page 125 Physical Specifications Dimensions H x W x D Weights Ventilation Table 5 Product Dimensions AT IE510 28...

Страница 122: ...40 C to 85 C 40 F to 185 F Operating Humidity 5 to 90 noncondensing Storage Humidity 5 to 95 noncondensing Maximum Operating Altitude 3 000 m 9 842 ft Maximum Nonoperating Altitude 4 000 m 13 100 ft T...

Страница 123: ...2006 A1 2009 A2 2009 EN61000 3 3 2008 EMC Immunity EN55024 2010 EN61000 4 2 2009 EN61000 4 3 2006 A2 2010 EN61000 4 4 2012 EN61000 4 5 2006 EN61000 4 6 2009 EN61000 4 8 2010 EN61000 4 11 2004 Electri...

Страница 124: ...Port Pinouts Table 13 lists the pin signals of the RJ 45 style serial Console port Table 13 RJ 45 Style Serial Console Port Pin Signals Pin Signal 1 Looped to pin 8 2 Looped to pin 7 3 Transmit Data 4...

Страница 125: ...t Table 14 RJ 45 Style Alarm Input Port Pin Signals Pin Signal 1 Alarm input 1 2 Alarm input 1 return 3 Alarm input 2 4 Alarm input 2 return 5 Alarm input 3 6 Alarm input 3 return 7 No connection 8 No...

Страница 126: ...Appendix A Technical Specifications 126...

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