Allied Telesis AT-2812FX Installation And User Manual Download Page 18

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Chapter 1: Introducing the AT-2812FX Module

Hardware Features

The following list of hardware features for the AT-2812FX module applies
to all of the supported operating systems:



One 100BASE-FX port with SC multi-mode fiber connector



Full and half duplex Media Access Control (MAC)



IPv4 and IPv6 Large Send Offload and Checksum Offload (LSO/TCO)



Receive Side Scaling (RSS) for multi-core client processors



PCI-ExpressCard Interface



Wake on LAN (WOL) support that meets the APCI requirements



Statistics for SNMP MIB II, Ethernet-like MIB, and Ethernet MIB
(80-2.3z Clause 30)



Desktop and mobile Architecture for System Hardware (DASH) v1.1



NDIS 6.0 IPSec task offload v2 (Windows 7 and Vista)



Flow Control (IEEE 802.3x)



VLAN Tag support (802.1Q)



Ethernet Priority (802.1P)



Pre-boot Execution Environment (PXE) v2.1



Jumbo Packet Support



48 KB Receive Buffer



8 KB Transmit Buffer



Link/Activity LED

Summary of Contents for AT-2812FX

Page 1: ...613 001225 Rev A ExpressCard Fast Ethernet Fiber SC Module AT 2812FX Installation and User s Guide ...

Page 2: ...arks or registered trademarks of their respective 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 is subject to change without notice In no event shall Allied Telesis Inc be liable for any incidental special indirect or consequential damages whatsoever includ...

Page 3: ...s 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...

Page 4: ...tatements Important The indicates that a translation of the safety statement is available in a PDF document titled Translated Safety Statements posted on the Allied Telesis website at www alliedtelesis com support software ...

Page 5: ...ver Software 31 Installing the Driver Software 32 Installing the Software Drivers for the Windows Vista Operating System 32 Selecting the Device Manager 39 Uninstalling the Driver Software 43 Chapter 4 Installing the Windows XP Driver Software 45 Installing the Driver Software 46 Selecting the Device Manager Window 47 Updating the Windows XP Driver Software 49 Uninstalling the Driver Software 52 C...

Page 6: ...peed 74 Appendix A Specifications 75 Physical Specifications 75 Environmental Specifications 75 Power Specifications 75 Performance Specification 76 Operating Specifications 76 Appendix B Cleaning Fiber Optic Connectors 77 Using a Cartridge Type Cleaner 78 Using a Swab 80 ...

Page 7: ...Figure 17 Device Manager Window 42 Figure 18 System Properties Dialog Box 47 Figure 19 Hardware Tab 48 Figure 20 Device Manager Window 49 Figure 21 Welcome to Hardware Update Wizard Window 50 Figure 22 Hardware Update Wizard Window 50 Figure 23 Windows 7 Start Menu 54 Figure 24 Computer Window 55 Figure 25 Control Panel System and Security System Window 56 Figure 26 Device Manager Window 57 Figure...

Page 8: ...Figures 8 ...

Page 9: ...9 Tables Table 1 Safety Symbols 12 Table 2 Fiber Optic Port 100 LED Status 20 ...

Page 10: ...Tables 10 ...

Page 11: ...e The Windows Vista Windows XP and Windows 7 Operating Systems driver software is described in this manual Additional operating systems are available on the Allied Telesis website on the software and document download site for this adapter The Preface contains the following sections Safety Symbols Used in this Document on page 12 Where to Find Web based Guides on page 13 Contacting Allied Telesis ...

Page 12: ...es 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 ...

Page 13: ... Where to Find Web based Guides The installation and user guides for all Allied Telesis products are available in portable document format PDF on our web site at www alliedtelesis com support software You can view the documents online or download them onto a local workstation or server ...

Page 14: ...der at the sender s expense For instructions on how to obtain an RMA number go to the Support section on our web site at www alliedtelesis com support rma aspx For Sales or Corporate Information You can contact Allied Telesis for sales or corporate information through our web site at http www alliedtelesis com purchase Warranty Go to www alliedtelesis com warranty for the specific terms and condit...

Page 15: ...ides an introduction to the Allied Telesis AT 2812FX ExpressCard Fast Ethernet Fiber SC Module and contains the following sections Functional Description on page 16 Hardware Features on page 18 Supported Operating Systems on page 19 Physical Description on page 20 ...

Page 16: ...operates at speeds of 100 Mbps in both full duplex and half duplex modes PCI ExpressCard is the new notebook interface that replaces the PCMCIA Card Bus interface The PCI ExpressCard interface is available in 34 mm and 54 mm interface slot sizes You can install the AT 2812FX module in either slot The AT 2812FX module has an SC connector as show in Figure 1 Figure 1 AT 2812FX Module Contents of You...

Page 17: ... 14 Inform your network supplier of any missing or damaged items If you need to return the module you must pack it in the original or equivalent packing material or the warranty will be voided See Returning Products on page 14 The documentation for this module is available in Portable Document Format PDF on our web site at www alliedtelesis com support software You can view the documents online or...

Page 18: ...LSO TCO Receive Side Scaling RSS for multi core client processors PCI ExpressCard Interface Wake on LAN WOL support that meets the APCI requirements Statistics for SNMP MIB II Ethernet like MIB and Ethernet MIB 80 2 3z Clause 30 Desktop and mobile Architecture for System Hardware DASH v1 1 NDIS 6 0 IPSec task offload v2 Windows 7 and Vista Flow Control IEEE 802 3x VLAN Tag support 802 1Q Ethernet ...

Page 19: ... and User s Guide 19 Supported Operating Systems The following operating systems are described in this manual Windows Vista Windows XP Windows 7 Additional operating systems are available on the following Allied Telesis website www alliedtelesis com support software ...

Page 20: ...s for attaching the module to a compatible link partner one transmitting and one receiving The AT 2812FX module has one LED as shown in Figure 2 See Table 1 for a description of the LED operating status Figure 2 AT 2812FX LED Table 1 Fiber Optic Port 100 LED Status State Description Green The port is operating at 100 Mbps and has a valid link Flashing The port is receiving or transmitting network ...

Page 21: ...talling the Hardware This chapter contains the following sections Reviewing Safety Precautions on page 22 Pre Installation Checklist on page 24 Installing the Module on page 25 Connecting the Network Cables on page 29 ...

Page 22: ...w alliedtelesis com support software Warning This is a Class 1 LED product L1 Warning Do not stare into the laser beam L2 Warning Do not look directly at the fiber optic cable ends or inspect the cable ends with an optical lens E29 Warning Do not work on this equipment or cables during periods of lightning activity E2 Warning Operating Temperature This product is designed for a maximum ambient tem...

Page 23: ...ect yourself and to prevent damage to the system components Remove any metallic objects or jewelry from your hands and wrists Make sure to use only insulated or nonconducting tools Verify that the system is powered OFF and unplugged before accessing internal components Installation or removal of modules must be performed in a static free environment The use of a properly grounded wrist strap or ot...

Page 24: ...e driver files reside on your system 2 If your laptop is active shut it down 3 When the system shut down is complete power OFF and unplug your system 4 Holding the module by the edges remove it from its shipping package and place it on an antistatic surface 5 Check the module for visible signs of damage particularly on the edge connector Caution Do not attempt to install a damaged module If the mo...

Page 25: ...these tasks on your particular PC refer to the manual that was supplied with your laptop Note Allied Telesis recommends that you turn off your PC before installing the AT 2812FX module Note To perform this procedure you need to supply a pen To install an AT 2812FX module perform the following procedure 1 Review the Pre Installation Checklist on page 24 and Reviewing Safety Precautions on page 22 B...

Page 26: ...re 26 Figure 3 Selecting the PCI ExpressCard Slot 3 Use a pen and press the button toward the laptop and to the left See Figure 4 The button pops out along with the plate See Figure 5 on page 27 Figure 4 Pressing the Button 1758 1710 ...

Page 27: ...odule Installation and User s Guide 27 Figure 5 Removing the Faceplate from the PCI ExpressCard Slot 4 Remove the plate from the laptop See Figure 6 Keep the plate in a safe place You may need it for future use Figure 6 Removing the Plate 1711 1712 ...

Page 28: ...sh the module until it is firmly seated in the PCI ExpressCard slot Caution Do not use excessive force when seating the module because this may damage the system or the module If the module resists seating remove it from the system realign it and try again 7 Make sure the module is seated securely 8 Power the system on Once the system returns to proper operation the module hardware is fully instal...

Page 29: ...ws 7 Driver Software on page 53 To connect a network cable to the module do the following Warning The fiber optic ports contain a Class 1 LED device When the ports are disconnected always cover them with the provided plug Exposed ports may cause skin or eye damage 1 Connect one end of the cable to the module 2 Connect the other end of the cable to the appropriate Ethernet fiber optic port After yo...

Page 30: ...Chapter 2 Installing the Hardware 30 ...

Page 31: ...e AT 2812FX module The installation procedure is identical for the both the Vista 32 bit and 64 bit operating systems This chapter contains the following sections Installing the Driver Software on page 32 Uninstalling the Driver Software on page 43 Note To set Advanced Properties see Chapter 6 Setting Advanced Properties on page 61 ...

Page 32: ...ftware Drivers for the Windows Vista Operating System on page 32 Selecting the Device Manager on page 39 Installing the Software Drivers for the Windows Vista Operating System To install the AT 2812FX driver software for the Vista Operating System do the following Note The module must be physically installed in your system before you can install the driver software See Chapter 2 Installing the Har...

Page 33: ...ule Installation and User s Guide 33 Figure 8 Found New Hardware Window 3 From the Found New Hardware window select Locate and install driver software recommended The Found New Hardware Ethernet Controller window is displayed See Figure 9 on page 34 ...

Page 34: ... Software 34 Figure 9 Found New Hardware Ethernet Controller Window 4 From the Found New Hardware Ethernet Controller window select Don t search online The Found New Hardware Ethernet Controller window is displayed See Figure 10 on page 35 ...

Page 35: ...de 35 Figure 10 Found New Hardware Ethernet Controller Window 5 Click I don t have the disc Show me other options Note The AT 2812FX module is not shipped with a CD The Found New Hardware Ethernet Controller Windows Couldn t Find Driver window is displayed See Figure 11 on page 36 ...

Page 36: ...e Ethernet Controller Windows Couldn t Find Driver Window 6 Select Browse my computer for drive software advanced Select the directory where the AT 2812FX driver is located You recorded this location during the pre installation checklist See Pre Installation Checklist on page 24 ...

Page 37: ...rnet Fiber SC Module Installation and User s Guide 37 The following window is displayed Figure 12 Found New Hardware Ethernet Controller Browse for Driver Software Window Then a confirmation page is displayed See Figure 13 on page 38 ...

Page 38: ...38 Figure 13 Update Driver Software Allied Telesis AT 2812FX 100FX Fiber Window 7 Confirm that the AT 2812FX module has been installed successfully by opening the Device Manager To open the Device Manager see Selecting the Device Manager on page 39 ...

Page 39: ...nstallation and User s Guide 39 Selecting the Device Manager To select the Device Manager in the Windows Vista Operating System do the following 1 From the Start menu select Settings and then the Control Panel See Figure 14 Figure 14 Control Panel Window ...

Page 40: ...Panel select Administrative Tools The Administrative Tools window is displayed See Figure 15 Figure 15 Administrative Tools Window 3 From the Administrative Tools window select Computer Management local The Computer Management window is displayed See Figure 16 on page 41 ...

Page 41: ...rnet Fiber SC Module Installation and User s Guide 41 Figure 16 Computer Management Window 4 From the Computer Management Window select Device Manager in the left panel The Device Manager window is displayed See Figure 17 on page 42 ...

Page 42: ...Chapter 3 Installing the Vista Driver Software 42 On the Device Manager window Allied Telesis AT 2812FX Fiber is listed under Network adapters Figure 17 Device Manager Window ...

Page 43: ...owing 1 Start Windows Vista and log in 2 Open the Device Manager For instructions on how to open the Device Manager see Selecting the Device Manager on page 39 The Device Manager Window is shown in Figure 17 on page 42 3 In the Device Manager window click the next to the Network Adapters folder The selection expands to show the list of installed network adapter cards 4 Right click on the module yo...

Page 44: ...Chapter 3 Installing the Vista Driver Software 44 ...

Page 45: ...ow to install the Windows XP driver software on the AT 2812FX module This chapter covers the following topics Installing the Driver Software on page 46 Uninstalling the Driver Software on page 52 Note To set Advanced Properties see Chapter 6 Setting Advanced Properties on page 61 ...

Page 46: ...etects an adapter and installs a default driver update the driver as described in Updating the Windows XP Driver Software on page 49 Note If there is an onboard Broadcom network interface the native Broadcom driver may load Update the drive as described in Updating the Windows XP Driver Software on page 49 This section provides the following procedures Selecting the Device Manager Window on page 4...

Page 47: ...driver software for the AT 2812FX adapter To open the Device Manager window on a Windows XP Operating System do the following 1 Start a Windows XP system and log in 2 On the desktop right click My Computer The My Computer window opens 3 Select Properties from the menu The System Properties Dialog Box is displayed as shown in Figure 18 Figure 18 System Properties Dialog Box 4 Select the Hardware Ta...

Page 48: ...Chapter 4 Installing the Windows XP Driver Software 48 The Hardware Tab is shown in Figure 19 Figure 19 Hardware Tab 5 Click Device Manager The Device Manager window is shown in Figure 20 on page 49 ...

Page 49: ...d log in You must have Administrator privileges to update the driver software 2 Open the Device Manager For instructions see Selecting the Device Manager Window on page 47 3 In the Device Manager window click the next to the Network Adapters folder The selection expands to show the list of installed network adapter cards 4 Right click on the adapter whose driver you want to update and select Updat...

Page 50: ...rd Window 5 Click No not this time to copy the driver software from your system You recorded the location of the driver software in the Pre Installation Checklist on page 24 6 Click Next The Second New Found Hardware Wizard Window opens as shown in Figure 22 Figure 22 Hardware Update Wizard Window ...

Page 51: ...nced 8 Click Next 9 When you are prompted to specify the location of the drive click Browse and locate the path of the drivers Update all adapters by repeating the above steps for each device After driver software installation is complete you are ready to modify the configuration properties See Uninstalling the Driver Software on page 52 ...

Page 52: ...properties are lost during the uninstall process 1 Start Windows XP and log in 2 Open the Device Manager For instructions on how to open the Device Manager window see Selecting the Device Manager Window on page 47 The Device Manager window is shown in Figure 20 on page 49 3 In the Device Manager window click the next to the Network Adapters folder The folder expands to show the list of installed n...

Page 53: ...dule The installation and configuration procedure are identical for the both the 32 bit and 64 bit Windows 7 Operating Systems This chapter contains the following sections Installing the Driver Software on page 54 Uninstalling the Driver Software on page 60 Note To set Advanced Properties see Chapter 6 Setting Advanced Properties on page 61 ...

Page 54: ...install or update the driver software you must have administrative privileges This section provided the following procedures Selecting the Device Manager Window on page 54 Installing the Windows 7 Driver Software on page 57 Selecting the Device Manager Window You use the Device Manager window to both install and uninstall the Windows 7 driver software for the AT 2812FX adapter To open the Device M...

Page 55: ...r s Guide 55 2 Select Computer on the right side of the menu The Computer window is displayed See Figure 24 Figure 24 Computer Window 3 Select System properties at the top of the page The Control Panel System and Security System Window is displayed See Figure 25 on page 56 ...

Page 56: ...ow 4 Select Device Manager from the bookmarks on the left side of the window to confirm that the AT 2812FX module has been installed successfully The Device Manager window is displayed See Figure 26 on page 57 On the Device Manager window Allied Telesis AT 2812FX Fiber Ethernet is listed under Network adapters ...

Page 57: ...System driver software do the following Note The module must be physically installed in your system before you install the driver software See Chapter 2 Installing the Hardware on page 21 for instructions 1 Start a Windows 7 Operating system and log in 2 Open the Device Manager window For instructions on how to open the Device Manager window see Selecting the Device Manager Window on page 54 ...

Page 58: ...are See Figure 27 Figure 27 Device Manager Window Ethernet Controller The Update Driver Software Ethernet Controller Window is displayed See Figure 28 Figure 28 Update Driver Software Ethernet Controller Window 4 Click Browse my computer for driver software The Update Driver Software Ethernet Controller window is displayed See Figure 29 on page 59 ...

Page 59: ...59 5 Browse your computer for the location of the driver software See Figure 29 Figure 29 Update Driver Software Ethernet Controller Window Browse for driver software 6 Click Browse A confirmation message is displayed See Figure 30 Figure 30 Update Driver Software Confirmation Window ...

Page 60: ...system do the following 1 Start the Windows 7 Operating System on your laptop and log in 2 Open the Device Manager For instructions on how to open the Device Manager window see Selecting the Device Manager Window on page 54 The Device Manager window is shown in Figure 26 on page 57 3 In the Device Manager window click the next to the Network Adapters folder The selection expands to show the list o...

Page 61: ...ws XP and Windows 7 Operating System software you access the Advanced Properties through the Device Manager Accessing the Device Manager is slightly different for all 3 operating systems This chapter contains the following section Opening Advanced Properties on page 62 ...

Page 62: ...to verify or change the adapter properties Flow Control on page 63 Interrupt Moderation on page 65 IPSec Offload on page 65 Large Send Offload Property on page 67 Network Address on page 68 Priority VLAN on page 69 Receive Side Scaling on page 70 Speed Duplex Mode on page 70 Checksum Offload on page 71 VLAN ID on page 72 Wake Up Capabilities on page 73 WOL Speed on page 74 Note After you upgrade t...

Page 63: ...nager see Selecting the Device Manager on page 39 To access the Windows 7 Device Manager see Selecting the Device Manager Window on page 54 2 Click the Advanced tab The Advanced tab is shown in Figure 31 on page 64 3 From the Property list on the Advanced tab select Flow Control 4 From the Value list on the Advanced tab select one of the following Auto default PAUSE frame receipt and transmission ...

Page 64: ...Chapter 6 Setting Advanced Properties 64 The Advanced tab for the AT 2812FX adapter is shown in Figure 31 Figure 31 Allied Telesis AT 2812FX 100 Mb Fiber Ethernet Properties Window ...

Page 65: ...sabled 4 Click OK 5 If prompted to restart your computer click Yes Although it is not necessary to reboot the system for new adapter properties to take effect rebooting is recommended to reinitialize all registers 6 Verify that the port LED operates as described in Physical Description on page 20 IPSec Offload Traditionally IPSec has been used for remote connections but this feature has moved into...

Page 66: ...em To access the Windows XP Device Manager see Selecting the Device Manager Window on page 47 To access the Windows Vista Device Manager see Selecting the Device Manager on page 39 To access the Windows 7 Device Manager see Selecting the Device Manager Window on page 54 2 From the Advanced tab under Property select IPSec Offload For an example of the Advanced tab see Figure 31 on page 64 3 From th...

Page 67: ...age 47 To access the Windows Vista Device Manager see Selecting the Device Manager on page 39 To access the Windows 7 Device Manager see Selecting the Device Manager Window on page 54 2 Click the Advanced tab The Advanced tab is shown in Figure 31 on page 64 3 From the Property list on the Advanced tab select one of the following Large Send Offload IPv4 Large Send Offload v2 IPv4 Large Send Offloa...

Page 68: ...e Windows 7 Device Manager see Selecting the Device Manager Window on page 54 2 Click the Advanced tab The Advanced tab is shown in Figure 31 on page 64 3 From the Property list on the Advanced tab select Network Address 4 In the Value list on the Advanced tab enter the Locally Administered Address Here are some guidelines The range is 0000 0000 0001 to FFFF FFFF FFFD Do not use a multicast addres...

Page 69: ...anager Window on page 47 To access the Windows Vista Device Manager see Selecting the Device Manager on page 39 To access the Windows 7 Device Manager see Selecting the Device Manager Window on page 54 2 Click the Advanced tab The Advanced tab is shown in Figure 31 on page 64 3 From the Property list on the Advanced tab select Priority VLAN 4 In the Value list on the Advanced tab select one of the...

Page 70: ...ct Receive Side Scaling 4 In the Value list on the Advanced tab select one of the following Enabled Disabled 5 Click OK 6 If prompted to restart your computer click Yes Although it is not necessary to reboot the system for new adapter properties to take effect rebooting is recommended to reinitialize all registers 7 Verify that the port LED operates as described in Physical Description on page 20 ...

Page 71: ...fy that the port LED operates as described in Physical Description on page 20 Checksum Offload Usually the Checksum Offload function is computed by the protocol stack By selecting one of the Checksum Offload properties the adapter can compute the checksum To change the Checksum Offload setting do the following 1 Access the Device Manger for your operating system To access the Windows XP Device Man...

Page 72: ...sical Description on page 20 VLAN ID The VLAN ID specifies the VLAN identifier It is the number of the VLAN where the port is an untagged member You must assign a VLAN ID to a VLAN The range is 1 to 4094 The default VLAN has a VLAN ID of 0 To assign a VLAN ID do the following 1 Access the Device Manger for your operating system To access the Windows XP Device Manager see Selecting the Device Manag...

Page 73: ...he Wake Up Capabilities property do the following 1 Access the Device Manger for your operating system To access the Windows XP Device Manager see Selecting the Device Manager Window on page 47 To access the Windows Vista Device Manager see Selecting the Device Manager on page 39 To access the Windows 7 Device Manager see Selecting the Device Manager Window on page 54 2 Click the Advanced tab The ...

Page 74: ...he WOL Speed property sets the speed at which the network adapter connects to the network while the network adapter is in Wake on LAN WOL mode The default speed for WOL mode is 100 Mb In addition this is the only speed available for the AT 2812FX module ...

Page 75: ...tions apply to the AT 2812FX module Operating Temperature 0 C to 50 C 32 F to 122 F Storage Temperature 20 C to 70 C 4 F to 158 F Operating Humidity 30 to 80 noncondensing Storage Humidity 10 to 95 noncondensing Maximum Operating Altitude 3 048 m 10 000 ft Maximum Storage Altitude 10 668 m 35 000 ft Power Specifications The following power specifications apply to the AT 2812FX module Electrical Ra...

Page 76: ...X module MTBF 3 210 000 hours Operating Specifications The following operating specifications apply to the AT 2812FX module Output Optical Power 20 dBm minimum to 14 dBm maximum Input Optical Power 31 dBm to 11 dBm maximum Receive Sensitivity 12 5 dBm with 62 5 um fiber or 13 5 dBm with 50 um fiber Wavelength 1310 nm ...

Page 77: ...ble to the naked eye can disrupt light transmission and lead to failure of the component or of the entire system Therefore it is of utmost importance to clean all fiber optic connectors before use Figure 32 shows the ferrule in an SC connector Figure 32 Ferrule in an SC Connector Plug Figure 33 shows part of the end face of an unclean and clean ferrule Figure 33 Unclean and Clean Ferrule This appe...

Page 78: ...tic connector To clean a fiber optic connector using a cartridge cleaner do the following 1 With one hand hold the cartridge cleaner and push the lever on the cleaning cartridge in the direction of the arrow to expose the cleaning surface as shown in Figure 35 2 Place the ferrule tip on the exposed cleaning surface and rub the ferrule in a downward direction as shown in Figure 35 Figure 35 Rubbing...

Page 79: ...can result in static electricity that can damage the fiber optic cable 4 If desired repeat steps 3 and 4 5 If a fiber inspection scope is available use the scope to inspect the ferrule end face to make sure that it is clean 6 Reconnect the cable to the port or protect the ferrule tip with a dust cap Note Always keep a dust cap on a fiber optic cable when it is not in use Note Do not touch the end ...

Page 80: ... mm and 1 25 mm sizes for use on SC and MU connectors respectively Note NEVER use a household cotton swab and or alcohol to clean a fiber optic connector This may leave a residue on the ferrule tip Figure 36 Lint Free and Alcohol Free Swabs Note Do not use compressed air or aerosol air to clean a fiber optic connector To clean a recessed ferrule using a swab do the following 1 Insert the swab into...

Page 81: ... inspect the connector to make sure that it is clean and to check for scratches pits or other problems that may affect performance Note Always keep a dust cap on a fiber optic cable when it is not in use Warning Do not stare into the laser beam L2 Warning Do not look directly at the cable ends or inspect the cable ends with an optical lens E29 ...

Page 82: ...Appendix B Cleaning Fiber Optic Connectors 82 ...

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