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Chapter 4: Modifying Advanced Properties

56

Large Send Offload (IPv4)

The Large Send Offload feature for IPv4 traffic allows you to control the 
load of sending out large packets. When this feature is enabled, the AT-
2814FX ExpressCard segments large packets and reduces the CPU load.

To enable or disable the Large Send Offload (IPv4) feature, do the 
following:

1. Access the Device Manger on your operating system.

See “Starting the Device Manager” on page 43. 

to start the Device Manager on your system.

2. Click the 

Advanced

 tab. 

The Advanced page is displayed. See Figure 21 on page 46.

3. Select 

Large Send Offload (IPv4) 

in the Property box.

4. Click on the 

 in the 

Value

 box.

The options are displayed as shown in Figure 29.

Figure 29. Large Send Offload (IPv4) Page

Содержание AT-2814FX

Страница 1: ...613 001676 Rev C AT 2814FX Fast Ethernet Fiber SC ExpressCard Installation and User s Guide...

Страница 2: ...rks 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 n...

Страница 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 o...

Страница 4: ...ty Statements 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 alliedte...

Страница 5: ...y Precautions 30 Pre Installation Checklist 32 Installing the AT 2814FX ExpressCard 33 Connecting the Network Cable 38 Chapter 4 Modifying Advanced Properties 41 Overview 42 Guidelines 42 Starting the...

Страница 6: ...ental Specifications 79 Power Specifications 79 Performance Specification 79 Operating Specifications 80 Appendix B Cleaning Fiber Optic Connectors 81 Overview 82 Cleaning Fiber Optic Connectors Using...

Страница 7: ...ies Window 46 Figure 22 System Window on Windows Vista and 7 47 Figure 23 Device Manager Window on Windows Vista and 7 48 Figure 24 Device Manager with an Expanded List on Windows Vista 7 48 Figure 25...

Страница 8: ...Figures 8...

Страница 9: ...9 Tables Table 1 Fiber Optic Port LED Status 17...

Страница 10: ...Tables 10...

Страница 11: ...essCard The instructions in this guide explain how to install the ExpressCard on a laptop computer install and uninstall the driver software and configure the driver software This preface contains the...

Страница 12: ...n Caution Cautions inform you that performing or omitting a specific action may result in equipment damage or loss of data Warning Warnings inform you that performing or omitting a specific action may...

Страница 13: ...rt tickets learn about Return Merchandise Authorization RMA and contact Allied Telesis technical experts USA and EMEA phone support Select the phone number that best fits your location and customer ty...

Страница 14: ...Preface 14...

Страница 15: ...ovides an overview of the the AT 2814FX Fast Ethernet Fiber SC ExpressCard in the following sections Physical Description on page 16 Supported Operating Systems on page 18 Hardware Features on page 19...

Страница 16: ...lex or half duplex mode The AT 2814FX ExpressCard is shown in Figure 1 Figure 1 AT 2814FX ExpressCard PCI ExpressCard The AT 2814FX ExpressCard has a 34mm wide PCI ExpressCard interface You can instal...

Страница 17: ...er The stabilizer is a plastic bracket to help the ExpressCard snugly fit into the 54mm PCI ExpressCard slot Allied Telesis recommends utilizing the stabilizer when installing the ExpressCard in the 5...

Страница 18: ...ted Windows XP Windows Vista Windows 7 Linux 2 6 When new driver software is released they will be posted on the Allied Telesis website www alliedtelesis com support software Note The procedures for I...

Страница 19: ...following features One 100BASE FX port with a pair of SC multi mode fiber connectors Full and half duplex Media Access Control MAC Link Activity LED PCI ExpressCard Interface Flow control IEEE 802 3x...

Страница 20: ...t of your laptop computer attach the stabilizer to your AT 2814FX ExpressCard Note The AT 2814FX ExpressCard is not shipped with a software driver CD You must download the driver software from the All...

Страница 21: ...oftware for the AT 2814FX ExpressCard onto your operating system It contains the following topics Overview on page 22 Downloading the Driver Software on page 23 Installing the Driver Software on page...

Страница 22: ...install the AT 2814FX ExpressCard before installing the driver software the Windows system detects a new adapter and may install a default driver To update the driver software for the AT 2814FX Expre...

Страница 23: ...1 Open a web browser such as Internet Explorer or FireFox on your system and enter the following http www alliedtelesis com support software 2 The Allied Telesis Software Download page is displayed 3...

Страница 24: ...nloading the Driver Software on page 23 2 Open the folder Figure 5 shows an example in the Windows XP operating system Figure 5 Setup File 3 Double click the setup exe file The User Account Control wi...

Страница 25: ...ExpressCard Installation and User s Guide 25 The Marvell Miniport Driver Setup Wizard window comes up See Figure 6 Figure 6 Marvell Miniport Driver Setup Wizard 5 Click Next The Licence Agreement wind...

Страница 26: ...e Agreement 7 If you accept the terms of the agreement select the first option and click Install When the installation is completed the Installation Complete window is displayed See Figure 8 Figure 8...

Страница 27: ...AT 2814FX Fast Ethernet Fiber SC ExpressCard Installation and User s Guide 27 Figure 9 Finishing Setup Wizard 9 Click Finish...

Страница 28: ...Chapter 2 Installing the Driver Software 28...

Страница 29: ...the Hardware This chapter contains the following sections Reviewing Safety Precautions on page 30 Pre Installation Checklist on page 32 Installing the AT 2814FX ExpressCard on page 33 Connecting the N...

Страница 30: ...web site at www alliedtelesis com support 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 th...

Страница 31: ...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...

Страница 32: ...active shut it down 4 When the system shutdown is complete power off and unplug your system 5 Holding the ExpressCard by the edges remove it from its shipping package and place it on an antistatic sur...

Страница 33: ...essCard on your particular laptop refer to the manual that was supplied with your laptop Note To perform the following procedure you need to supply a pen To install an AT 2814FX ExpressCard do the fol...

Страница 34: ...ware 34 Figure 10 Selecting the PCI ExpressCard Slot 3 Use a pen and press the button toward the laptop and to the left See Figure 11 The button pops out along with the plate See Figure 12 on page 35...

Страница 35: ...ve the plate from the laptop See Figure 13 Keep the plate in a safe place You may need it for future use Figure 13 Removing the Plate 5 When installing the ExpressCard in the 54mm Express Card slot at...

Страница 36: ...is firmly seated in the PCI ExpressCard slot Figure 15 shows how to insert the card in the 54mm slot The ExpressCard fits snugly into the slot Figure 15 Inserting the Unit into the 54mm Slot Caution...

Страница 37: ...d User s Guide 37 7 Make sure the ExpressCard is seated securely 8 Power on the laptop computer Once the system returns to proper operation the ExpressCard hardware is fully installed Next connect the...

Страница 38: ...more information To connect a fiber optic cable to the ExpressCard perform the following procedure 1 Remove the rubber plug from the ExpressCard Keep the rubber plug in a safe place You may need it fo...

Страница 39: ...Guide 39 Note Even minor smudges or dirt on the end face of the fiber can disrupt light transmission and lead to failure of the connection For instructions that describe how to clean the fiber optic...

Страница 40: ...Chapter 3 Installing the Hardware 40...

Страница 41: ...ge 50 Interrupt Moderation on page 52 Jumbo Packet on page 54 Large Send Offload IPv4 on page 56 Log Status Messages on page 58 Max IRQ per Sec on page 60 Network Address on page 61 Receive Buffers on...

Страница 42: ...advanced property page To start the Device Manager see Starting the Device Manager on page 43 Guidelines Here are the guidelines to modifying the advanced properties To change the advanced property s...

Страница 43: ...rform one of the following procedures Device Manager on Windows XP on page 43 Device Manager on Windows Vista and Windows 7 on page 47 Device Manager on Windows XP To start the Device Manager on Windo...

Страница 44: ...Chapter 4 Modifying Advanced Properties 44 Figure 17 Hardware Page on Windows XP 3 Click Device Manager The Device Manager window opens shown in Figure 18 Figure 18 Device Manager Window on Windows XP...

Страница 45: ...click the next to the Network Adapters folder The selection expands to show the list of installed network adapter cards as shown in Figure 19 Figure 19 Device Manager with an Expanded List on Windows...

Страница 46: ...Chapter 4 Modifying Advanced Properties 46 Figure 20 Properties Window 6 Click the Advanced tab The Advanced Properties window opens as shown in Figure 21 Figure 21 Advanced Properties Window...

Страница 47: ...n Windows Vista and Windows 7 are identical To start the Device Manager on Windows Vista or Windows 7 do the following 1 Right click on Computer and select Properties The System window is opened as sh...

Страница 48: ...ger Window on Windows Vista and 7 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 See Figure 24 F...

Страница 49: ...hernet Fiber SC ExpressCard Installation and User s Guide 49 4 Double click on Allied Telesis AT 2814FX The properties window pops up as shown in Figure 25 on page 49 Figure 25 Properties Window on Wi...

Страница 50: ...or disable the Flow Control feature do the following 1 Access the Device Manger on your operating system See Starting the Device Manager on page 43 2 Click the Advanced tab The Advanced page is displ...

Страница 51: ...ast Ethernet Fiber SC ExpressCard Installation and User s Guide 51 Tx Rx Enabled The AT 2814FX ExpressCard processes pause frames when receiving and transmits pause frames This is the default setting...

Страница 52: ...er the latency may increase The interrupt rate is specified using Max IRQ per Sec on page 60 To enable or disable the Interrupt Moderation feature do the following 1 Access the Device Manger on your o...

Страница 53: ...SC ExpressCard Installation and User s Guide 53 5 Select one of the following options Disabled The Interrupt Moderation feature is disabled Enabled The Interrupt Moderation feature is enabled This is...

Страница 54: ...ver the network must be capable of supporting such large packets To change the Jumbo Packet size do the following 1 Access the Device Manger on your operating system See Starting the Device Manager on...

Страница 55: ...e following options 1514 Bytes The AT 2814FX ExpressCard supports up to 1514 bytes in a packet size This is the default value 4088 Bytes The AT 2814FX ExpressCard supports up to 4088 bytes in a packet...

Страница 56: ...U load To enable or disable the Large Send Offload IPv4 feature do the following 1 Access the Device Manger on your operating system See Starting the Device Manager on page 43 to start the Device Mana...

Страница 57: ...f the following options Disabled The AT 2814FX ExpressCard does not segment packets Enabled The AT 2814FX ExpressCard segments large packets before sending them out This option reduces the CPU load as...

Страница 58: ...ss the Device Manger on your operating system See Starting the Device Manager on page 43 2 Click the Advanced tab The Advanced page is displayed See Figure 21 on page 46 3 Select Log Status Messages i...

Страница 59: ...erated and stored in the event log file None No message is generated Status Messages An event log entry is generated every time the link status changes and stored in the event log file This is the def...

Страница 60: ...the value of Max IRQ per Sec is ignored To change the Max IRQ per Sec value do the following 1 Access the Device Manger on your operating system See Starting the Device Manager on page 43 2 Click the...

Страница 61: ...lly administered address overrides the original MAC address stored in the AT 2814FX ExpressCard hardware When you change the MAC address be sure to assign a unique MAC address To assign or change the...

Страница 62: ...elines to assigning a locally administered address The address must be unique The address consists of a 12 digit hexadecimal number for example 000C46005501 The range is from 0000 0000 0001 to FFFF FF...

Страница 63: ...in receiving traffic but consumes more system memory To change the Receive Buffers value do the following 1 Access the Device Manger on your operating system See Starting the Device Manager on page 4...

Страница 64: ...Chapter 4 Modifying Advanced Properties 64 5 Select one of the following numbers 256 This is the default value 512 6 Click OK...

Страница 65: ...cess the Device Manger on your operating system See Starting the Device Manager on page 43 2 Click the Advanced tab The Advanced page is displayed See Figure 21 on page 46 3 Select Speed Duplex in the...

Страница 66: ...Chapter 4 Modifying Advanced Properties 66 100 Mbps Half Duplex 100 Mbps speed in the half duplex mode 6 Click OK...

Страница 67: ...ing load off from the CPU on your laptop To enable or disable the TCP UDP Checksum Offload IPv4 feature do the following 1 Access the Device Manger on your operating system See Starting the Device Man...

Страница 68: ...Modifying Advanced Properties 68 5 Select one of the following options On Enables the TCP UDP Checksum Offload function This is the default setting Off Disables the TCP UDP Checksum Offload function 6...

Страница 69: ...ance in transmitting traffic but consumes more system memory To change the Transmit Buffers do the following 1 Access the Device Manger on your operating system See Starting the Device Manager on page...

Страница 70: ...Chapter 4 Modifying Advanced Properties 70 5 Select one of the following numbers 256 This is the default value 512 6 Click OK...

Страница 71: ...d by Wake Up Capabilities on page 73 To enable or disable the Wake From Shutdown function do the following 1 Access the Device Manger on your operating system See Starting the Device Manager on page 4...

Страница 72: ...pter 4 Modifying Advanced Properties 72 5 Select one of the following options On Enables the Wake From Shutdown feature Off Disables the Wake From Shutdown feature This is the default setting 6 Click...

Страница 73: ...rame that the Wake Up Capabilities property specifies When the Wake From Shutdown is disabled the value of the Wake Up Capabilities is ignored To change the Wake Up Capabilities setting do the followi...

Страница 74: ...eature is enabled Magic Packet Pattern Match Your laptop wakes up from the shutdown state when the AT 2814FX ExpressCard receives a special packet called a magic packet or a packet that matches the pa...

Страница 75: ...ling the Driver Software This chapter describes how to uninstall the driver software for the AT 2814FX ExpressCard This chapter contains the following topics Overview on page 76 Uninstalling the Drive...

Страница 76: ...iver software from your operating system Guidelines Here are the guidelines to uninstalling the driver software from your system You must have Administrator privileges to remove the driver software Be...

Страница 77: ...page 43 3 In the Device Manager window click the next to the Network Adapters folder Note For the Windows XP operating systems click the next to the Network Adapters folder to expand the Network Adap...

Страница 78: ...irm Device Uninstall window pops up as shown in Figure 40 Figure 40 Confirm Device Uninstall Window 5 Check the checkbox if you wan to remove additional driver and installation files Note This option...

Страница 79: ...fications apply to the AT 2814FX ExpressCard Operating Temperature 0 C to 45 C 32 F to 113 F Storage Temperature 20 C to 70 C 4 F to 158 F Relative Humidity 5 to 95 non condensing Altitude Up to 3 048...

Страница 80: ...ng Specifications The following operating specifications apply to the AT 2814FX ExpressCard Wavelength 1310 nm Output Optical Power 62 5 125 m 19 min 14 max 50 125 m 22 5 min 14 max Input Optical Powe...

Страница 81: ...s This appendix explains how to clean fiber optic connectors and includes the following topics Overview on page 82 Cleaning Fiber Optic Connectors Using a Cartridge Type Cleaner on page 83 Cleaning Fi...

Страница 82: ...r 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 Therefore it is of utmo...

Страница 83: ...ner Note Do not use compressed air or aerosol air to clean a fiber optic connector To clean a fiber optic connector using a cartridge cleaner do the following 1 With one hand hold the cartridge cleane...

Страница 84: ...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 cl...

Страница 85: ...ble in both 2 5 mm and 1 25 mm sizes for use on SC and MU connectors respectively See Figure 45 Note NEVER use a household cotton swab and or alcohol to clean a fiber optic connector This may leave a...

Страница 86: ...or 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 s...

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