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613-001705 Rev. A AT-2911 Series Adapters Gigabit Ethernet Ne twork Interface Cards A T -2911SX/SC A T -2911SX/LC A T -2911LX/SC A T -2911LX/LC A T -2911SFP A T -2911STX/ SC .
Copyright © 2012 Allied T elesis, Inc. All rights reserved. No part of this publication may be repr oduced withou t prior written permissi on from Allied Telesis, Inc. Microsoft and Internet Explorer are regi stered trademarks of Microsoft Corpo rat ion.
3 Electrical Safety and Emissions St a n d a r d s This product meets the following standards: . RFI Emissions FCC Class B, EN55022 Class B, VCCI Class B, C-TICK, CE Immunity EN55024 Class B U.S. Federal Communications Commission Declaration of Conformity Manufacturer Name: Allied Telesis, Inc.
4 Electrical Safety EN60950 (TUV), UL 60950-1 ( C UL US ) Laser Safety EN60825.
5 T ranslated Safety S t atements Important: The indicates tha t a translation of the safety stateme nt is available in a PDF document titled “Translated Safety Statements” post ed on the Allied Telesis website at: www.alliedtelesis.com/support/ .
6.
7 Contents Safety Symbols Used in th is Docu ment........ .............. .............. .............. .............. .............. ............. ........................ ............. 14 Contacting Allied Telesis . ............... .............. ...
Contents 8 Network Address.............. ................. .............. ...................... .............. .............. .............. ... ...... .............. .............. .............. ... 61 NS Offload ................. .............. ..
9 Figur es Figure 1: AT-2911SX/SC Adapter .............. .............. ........... .............. .............. .............. .............. .. ...... .............. .............. ..... 18 Figure 2: AT-2911LTX/LC Adapter ..................... ....
Figures 10 Figure 51: Update Device Softwa re Window on Windows Server 2008 R2, Server 2008, Vista, and 7 .............. .................92 Figure 52: Ethernet Controller on Win dows Server 2003 and XP............. ...................................
11 Ta b l e s Table 1: LED Status ... .............. ................. .............. .............. ................ .............. .............. . .. .............. .............. .............. ..... 21 Table 2: AT-2911 Model Naming Conventions ..
Tables 12.
13 Pr eface This manual is the installation and us er’s guide for the AT-2911 Series Gigabit Ethernet Network Adapters. The instructions in this guide explain how to install the network adapter on a d esktop computer, install and uninstall the driver software, and conf igure the driver software.
Preface 14 Safety Symbols Used in this Document This document uses the following conventions: Note Notes provide additional informatio n. Caution Cautions inform you t hat performing or omitting a spe cific action may result in equipment damage or loss of data.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 15 Contacting Allied Telesis If you need assistance with this prod uct, you may contact Allied Telesis technical support by going to the Suppo rt & Services section of the Allied Telesis web site at www.
Preface 16.
17 Chapter 1 Overview This chapter contains an ov erview for the AT-2911 Series Gigabit Ethernet Network Adapters and includes the following sections: “Physical Description” on page 18 “.
Chapter 1: Ove rview 18 Physical Description The AT-2911 Series Gigabit Ethernet Network Adapter s are integrated Ethernet network interface cards based on Broadcom’s BCM57 18 chipset with a PCI Express (PCIe) x1 version 2 interface. The AT-2911 series adapter connects a PCIe compliant computer to a Gigabit Ethernet network.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 19 AT-2911 Series Dual Port Adapters The following AT-2911 series models are equip ped with a dual port interface: .
Chapter 1: Ove rview 20 To connect the adapter to a network cable , you must have a fiber optic network cable with the SC connector. For more information, see “1000BASE-X Fiber Optic Cable Specifications” on page 39.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 21 Note An SFP transceiver must be purchased separately. For a list of supported transceivers, contact your Allied Telesis distributor or reseller. The SFP slot is shown in Figure 7.
Chapter 1: Ove rview 22 Model Naming Conventions The hardware features of the AT-2911 a dapters are represented by the letters and numbers in the mod el names. The convention s for the AT-2911 adapters are identified in Figur e 8. Figure 8. AT-2911 Model Naming Co nventions The conventions are defined in Table 2.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 23 Supported Operating Systems The following list shows the supported operating systems for the AT-2911 series adapte.
Chapter 1: Ove rview 24 Features The AT-2911 adapter supports the following f eatures: One or two interfaces x1 PCI Express v2.0 PXE 2.0 remote boot support Flow control (IEEE 802.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 25 Broadcom Utilities The AT-2911 series adapter, wh ich has a Broadcom’s BCM5718 chipset inside, supports teaming and manag ement functions, such as CIM and SNMP.
Chapter 1: Ove rview 26 For more information about SNMP a nd how to install SNMP subagent and BACS, see the Broadcom NetXtreme ® 57XX User Guide. To view the document, see “Broadcom Documentation” on page 26.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 27 Contents of Your Shipment The following items are included with your AT-2911 series adap ter: Antistatic bag The adapter is shipped in an antist atic bag. It protects the module when stored or shipped.
Chapter 1: Ove rview 28 Warranty Registration Allied Telesis hardware products are covered under limited warran ties. All Allied Telesis warranties are subjec t to and provided only on the terms and conditions set out in the Allied Telesis Limited Warranties listed on the Allied Telesis website at www.
29 Chapter 2 Installing the Hardwar e This chapter contains the following sections: “Reviewing Safety Precautions” on p age 30 “Pre-Installa tion Checklist” on p age 32 “Replacin.
Chapter 2: Inst alling the Hardware 30 Reviewing Safety Precautions Please review the following safety prec autions before you begin to install a module. Note The indicates that a tr anslation of the safety statement is available in a PDF document titled “Tra nslated Safety Statements” posted on the Allied Telesis website at www.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 31 Warning The module is being installe d in a system that operates with voltages that can be lethal. Before you re move the cover of your system, you must observe the following precautions to protect yourself and to prevent dama ge to the system components.
Chapter 2: Inst alling the Hardware 32 Pre-Installation Checklist Before installing the AT-2911 serie s adapter, check the following list: 1. Check that your computer has an approp riate open PCIe slot. 2. Verify that your computer is using the latest BIOS.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 33 Replacing the Bracket The AT-2911 series adapter is shipped with the low-profile bracket attached to the adapter. Depen ding on your PC, you may need to rep lace the bracket attached to your adapter.
Chapter 2: Inst alling the Hardware 34 2. Align the tabs of the standard bracket with the holes on the adapter and fasten the screws onto the adap ter.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 35 Installing the AT-2911 Series Adapter Card The following instructions describe how to insta ll an AT-2911 series adapter in most systems. Refer to the manuals that were supplied with your system for details about performing t hese tasks on your particular system.
Chapter 2: Inst alling the Hardware 36 4. Remove the faceplate that is directly in line with the PCIe slot you selected. See Figure 12. Keep the faceplate in a safe place.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 37 6. Applying even pressure at both corners of the card, push the adapter card until it is firmly seated in the PCIe slot you ha ve selected. Make sure the card is securely seated.
Chapter 2: Inst alling the Hardware 38 8. Replace the system’s cover and secure it with th e screws removed in Step 2. 9. Power the system on. Note When you installed the adapter in a Windows Op era.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 39 Connecting the Network Cables After you install an AT-2911 series adapte r in your desktop computer, attach the system to a compatible li nk partner or an IEEE 802.3 compliant Gigabit Ethernet switch.
Chapter 2: Inst alling the Hardware 40 4. Connect the other end of the fibe r optic cable to the appropriate Ethernet network port or fiber o ptic port. After connecting the syst em to the ne twork and power is supplied, the adapter performs auto-negotiation a nd attempts to establish the connection at 1000 Mbps fu ll-duplex only.
41 Chapter 3 Modifying Advanced Pr operties This chapter includes the following topics: “Overview” on page 42 “Accessing Advanced Propertie s” on page 43 “802.
Chapter 3: Modi fying Advanced Prope rties 42 Overview To modify the advanced properties of the AT-2911 adapter, you must access Device Manager on your operating system, then go to each advanced property page.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 43 Accessing Advanced Properties To modify advanced properties, first access Device Manager, open the properties of your AT-2911 series adapter, an d select a feature you want to change its setting.
Chapter 3: Modi fying Advanced Prope rties 44 3. Click the Advanced tab. The Advanced Properties window op ens as shown in Figure 16. Figure 16. Advanced Properties Window.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 45 802.3az EEE The 802.3az EEE (Energy-Efficient Ether net) feature allows you to reduce power consumption when the network lin k is idle. Note This feature is valid only for copper ports.
Chapter 3: Modi fying Advanced Prope rties 46 Note For fiber connectors, the setting is always disab led. Enable — The adapter saves energy consumption when the link is idle.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 47 ARP Offload The ARP Offload feature, one of the network power manag ement features, allows the adapter to respond to an ARP request without waking up the computer. To enable or disable the ARP Offload fea ture, do the following: 1.
Chapter 3: Modi fying Advanced Prope rties 48 EEE Control The EEE (Energy-Efficient Ethernet) Contro l f eature allows you prioritize power saving, performance, optimal power, and performance. To change the setting of the EEE Con trol feature, do the following: 1.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 49 Ethernet@WireSpeed The Ethernet@WireSpeed feature en ables the adapter with a twisted pair copper interface to establish a lin k at a lower speed when only two pairs of wires are available in the connected cable.
Chapter 3: Modi fying Advanced Prope rties 50 Note For fiber connectors, the setting is always disab led. Enabled — The adapter establishe s a link at a lower speed when only two pairs of wires are availabl e in the connected cable. This is the default setting for the AT-2911 se ries adapters with a twisted pair copper interface.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 51 Flow Control The Flow Control feature allows you to co ntrol the flow between the AT- 2911 adapter and its link partner. You ca n enable or disable the a dapter to process received PAUSE frames and transmit PAUSE frames.
Chapter 3: Modi fying Advanced Prope rties 52 Tx Enabled — The adapter transmits PAUSE frames, but ignores PAUSE frames when receiving. 4. Click OK .
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 53 Interrupt Moderation The Interrupt Moderation feature allows you to limit the rate of interrupts to the CPU during packet transmission and packet reception.
Chapter 3: Modi fying Advanced Prope rties 54 IPv4 Checksum Offload The IPv4 Checksum Offload feature allows the adap ter to verify the IPv4 checksum to enhance IPv4 receiv e and transmit performance and reduce CPU utilization. To enable or disable the IPv4 Checksum Offloa d feature, do the following: 1.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 55 4. Click OK ..
Chapter 3: Modi fying Advanced Prope rties 56 Jumbo Mtu The Jumbo Mtu (Maximum transmission uni t) feature allows you to specify the size of the Ethernet frame that th e adapter supports.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 57 Large Send Offload (IPv4) The Large Send Offload (IPv4) feature allows you to control the load of sending out large packets. When this feature is enabled, the AT-2911 adapter segments large packets and reduce s the CPU load.
Chapter 3: Modi fying Advanced Prope rties 58 Enabled — The adapter segme nts large packets up to 64kb for IPv4 traffic before sending them out. This is the default setting.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 59 Large Send Offload v2 (IPv4) The Large Send Offload v2 (IPv4) feature allows you to control the load of sending out large packets. When this feature is enabled, the AT-2911 adapter segments large packets f or IPv4 traffic and reduces the CPU loa d.
Chapter 3: Modi fying Advanced Prope rties 60 Large Send Offload v2 (IPv6) The Large Send Offload v2 (IPv6) feature allows you to control the lo ad of sending out large packets. Wh en this feature is enabled, the AT-2911 adapter segments large packe ts for IPv6 traffic and reduces the CPU load.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 61 Network Address The Network Address allows you to replace the MAC address originally assigned to the adapter with a use r-defined address. The user-defined address that you assign to the ad apter is called a locally administered address.
Chapter 3: Modi fying Advanced Prope rties 62 3. In the Value text box, ent er a locally administered address for the AT- 2911 adapter. By default, no network address is assigned. Here are guidelines to a ssigning a locally administered address: The address must be unique.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 63 NS Offload The NS (Neighbor Solicitation) Offload feature, o ne of the network power management features, allows the ad apter to respond to a Neighbor Solicitation request without waking up the computer.
Chapter 3: Modi fying Advanced Prope rties 64 Priority & VLAN The Priority & VLAN feature allo ws you to control sending and receiving tagged frames of QoS and VLAN.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 65 Priority Enabled — The adapter sends and receives QoS tagged frames.
Chapter 3: Modi fying Advanced Prope rties 66 Receive Buffers The Receive Buffers property specifie s the number of re ceive buffers allocated for the adapter. Increasing this value may enhance performance in receiving traffic, but consumes more system memory.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 67 Receive Side Scaling The Receive Side Scaling (RSS) f eature allows the adapter to efficiently distribute receive proces sing across multiple CPU and to prevent from overloading a single CPU.
Chapter 3: Modi fying Advanced Prope rties 68 RSS Queues The RSS Queues feature allocates queue space between the adapter and processor, and allows you to specify the number of RSS queues that the adapter assigns receiving data to. To Specify the RSS Queues value, do the following: 1.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 69 RSS 2 Queues — The system allocates two RSS queues. 4. Click OK .
Chapter 3: Modi fying Advanced Prope rties 70 Speed & Duplex The Speed & Duplex feature sets the link speed and duplex mode of the adapter with a twisted pair copper in terface. Note This feature is valid only for copper ports. F or fiber connectors, the setting is always Auto.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 71 Note For fiber connectors, the setting is always Auto. 10 Mbps Half Duplex— 10 Mbps speed in the half duplex mode. 10 Mbps Full Duplex — 10 Mbps speed in the full dup lex mode.
Chapter 3: Modi fying Advanced Prope rties 72 TCP/UDP Checksum Offload (IPv4) The TCP/UDP Checksum Offload (IPv4) function en ables the adapter to compute the checksum of transmi tting IPv4 packets and verify the checksum of receiving IPv4 packets, taking loa d off from the CPU.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 73 Tx Enabled — Enables the TCP/UDP Checksum Offload (IPv4) function only for transmitting IPv4 packet s.
Chapter 3: Modi fying Advanced Prope rties 74 TCP/UDP Checksum Offload (IPv6) The TCP/UDP Checksum Offload (IPv6) function en ables the adapter to compute the checksum of transmi tting IPv6 packets and verify the checksum of receiving IPv6 packets, taking loa d off from the CPU.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 75 Tx Enabled — Enables the TCP/UDP Checksum Offload (IPv6) function only for transmitting IPv6 packet s.
Chapter 3: Modi fying Advanced Prope rties 76 Virtual Machine Queues The Virtual Machine Queues feature a llows you to control the load of sorting data packets. When this feature is enable d, the adapter sorts data packets to improve networking performance and reduce CPU utilization.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 77 VLAN ID The VLAN ID property allows you to s pecify a VLAN ID on your network to the adapter. The adapter adds the valu e of the VLAN ID to a frame in the VLAN tag before transmitting the frame.
Chapter 3: Modi fying Advanced Prope rties 78 VMQ Lookahead Split The VMQ Lookahead Split feature allows the adapter to split receive buffers into two separate buffers. This feature ap plies to host computers with Windows Server 2008 R2 or Wi ndows 7 64 bit operating systems only.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 79 VMQ VLAN Filtering The VMQ VLAN Filtering feature a llows the adapter to filter data packets using the VLAN ID in the media ac cess control (MAC) heade r to improve networking performance an d reduce CPU utilization.
Chapter 3: Modi fying Advanced Prope rties 80.
81 Chapter 4 Installing the Driver Softwar e This chapter describes how to install driver software fo r the AT-2911 adapter onto your operating system .
Chapter 4: Installi ng the Driver Software 82 Overview To install or update the driver software onto th e Windows systems, you must follow the steps below: “Downloading the Driver Sof tware” o.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 83 Downloading the Driver Software The AT-2911 series adapter is not shipped with a software drive r CD. You must download driver software from the Allied Telesis website.
Chapter 4: Installi ng the Driver Software 84 A window as shown in Figure 42 pop s up and prompts you to specify the location of a folder that you want to p lace unzipped files in. . Figure 42. Specifying the Folder f or Unzipped Files 7. Specify the location of the folder and click Extract .
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 85 Accessing the Device Manager When you install or update the driver software for AT-2911 series adapter, you must first access Device Manage r.
Chapter 4: Installi ng the Driver Software 86 2. Click Device Manager on the le ft side bar. The Device Manager window opens. Y our A T -291 1 series adapter is detected as Ethernet Controller as shown in Figure 44.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 87 The System Properties window is opened as shown in Figure 45. Figure 45. System Properties Window on Win dows Server 2003 and XP 2. Select the Hardware Tab. The Hardware p age is shown in Figure 46.
Chapter 4: Installi ng the Driver Software 88 3. Click Device Manager . The Device Manager window opens as sho wn in Figure 47. Figure 47. Device Manager Wind ow on Windows Server 2003 and XP.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 89 Installing the Driver Software Once you physically install the AT-29 11 series adapter, the system detects the new hardware and creates an entry in Device Man ger when the Windows operating system first boots up.
Chapter 4: Installi ng the Driver Software 90 The shortcut menu appears as shown in Figure 48. Figure 48. Ethernet Controller on Windows Server 2008 R2, Server 2008, Vista, and 7 3. Select Update Driver Software . The Update Driver Softwa re window pop s up as shown in Figure 49.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 91 4. Select Browse my computer for driver software . The Update Device Soft ware window prompt s you to enter the location of the driver folder as shown in Figu re 50.
Chapter 4: Installi ng the Driver Software 92 The confirmation message shown in Figure 51 appears when the driver software is successfully update d. Figure 51. Update Device Software Window on Win dows Server 2008 R2, Server 2008, Vista, and 7 7. Click Close .
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 93 The shortcut menu appears as sho wn in Figure 52. Figure 52. Ethernet Controller on Windows Server 2003 and XP 3. Select Update Driver . The Hardware Update Wizard window pop s up as shown in Figure 53.
Chapter 4: Installi ng the Driver Software 94 4. Select No, not this time . 5. Click Next . The Hardware Update Wizard prompt s you to select one of two options as shown in Figure 54 Figure 54. Hardware Update W izard 2 6. Select Install from a list or specif ic location (Advanced) .
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 95 Figure 55. Hardware Update Wizard 3 8. Specify the location of the driver soft ware. 9. Click Next . The confirmation message is displayed as shown in Figure 56. Figure 56.
Chapter 4: Installi ng the Driver Software 96 Updating the Driver Software If your operating system detects an adap ter and installs a default driver, you need to update the dr iver software with the driver th at you downloaded from the Allied Te lesis websit e.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 97 The shortcut menu appears as sho wn in Figure 57. Figure 57. Device Manager with an Expanded List on Windows Server 2008 R2, Server 2008, Vista and 7 3. Select Update Driver Software .
Chapter 4: Installi ng the Driver Software 98 2. In the Device Manager window, right-click th e device you wish to update. It may be listed as Allied Telesis AT-2911 xx Gigabit Fiber Ethernet or as a Broadcom Device. The shortcut menu appears as shown in Figure 58.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 99 The confirmation message is displayed as shown in Figure 56 on p age 95.
Chapter 4: Installi ng the Driver Software 100.
101 Chapter 5 Uninstalling the Driver Softwar e This chapter describes how to uninstall the driver so ftware for the AT-2911 adapter. This chapter contains the following to pics: “Overview” on.
Chapter 5: Uni nstalling the Driver Soft ware 102 Overview When you no longer use the AT-2911 serie s adapter for your computer, you may want to uninstall the driver sof tware from your operating system.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 103 Uninstalling the Driver Software To uninstall the driver software from you r operating system, do the following: 1. Start your Windows operating system and log in. 2.
Chapter 5: Uni nstalling the Driver Soft ware 104 6. Check the check box if yo u wan to remove the driver software for your adapter. Note This option is available only for Windows Server 2008, Windows 7, and Windows Vista operating systems. 7. Click OK to complete the uninstall.
105 Chapter 6 T r oubleshooting This chapter describes troubleshoo ting p rocedures and contains the following sections: “T roubleshooting Checklist” on page 106 “Checking a Port LED on .
Chapter 6: Tro ubleshooting 106 Troubleshooting Checklist The following checklist provides recommended actions to re solve problems installing the Allied Telesis AT-2911 Series Gigabit Ethernet Network Adapters or running th em in your system.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 107 Checking a Port LED on the Adapter Each port has an LED that indicates the link status. The LED functions once the driver is installed and th e cables are co nnected properly.
Chapter 6: Tro ubleshooting 108 Testing Network Connectivity To test network connectivity for Windows, perform the following procedure: Note When using forced link speeds, make sure that both the ada pter and the switch, or link partner are forced to the same speed .
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 109 Software Problems and Solutions Microsoft Remote Installation Service (RIS) Instructions Problem: Microsoft Remote Installation Service (RIS) installation fa ils for Windows XP.
Chapter 6: Tro ubleshooting 110.
111 Appendix A Specifications Physical and Power Specifications Table 4 provides the dimensions and we ight specifications of the AT-29 11 series adapters: T able 4. Physical S pecifications Model Length Height We ight (cm) (inch) (cm) (inch) (g) (oz ) A T -291 1SX/SC 8.
Appendix A: Specifica tions 112 Environmental Specifications The following environmental specifications ap ply to the AT-2911 adapter: Power Specifications The following power specifications apply to the AT-2911 adap ter: T able 5.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 113 Performance Specification The following MTBF (Mean Time Betwe en Failure) specifications apply to all of the AT-29xx Series adapters: T able 7.
Appendix A: Specifica tions 114 Optical Specifications The following optical specifications apply t o the AT-2911 series adapters: T able 8. Optical S pecifications Optical Sensitivity Output Optical Power W avelength 1000SX/SC Connector -17 dBm -9.5/-4 dBm 850 nm 1000SX/LC Connector -17 dBm -9.
115 Appendix B Cleaning Fiber Optic Connectors This appendix explains how to clean fibe r optic connectors and includes the following topics: “Overview” on page 1 16 “Cleaning Fiber Opti.
Appendix A: Cleaning Fi ber Optic Connectors 116 Overview The fiber optic connector consists of a fiber optic plug and its adapter. The end of the fiber optic cable is held in the core of t he ferrule in the plug. Light signals are transmitted through the core of the fiber.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 117 Cleaning Fiber Optic Connectors Using a Cartridge-Type Cleaner Fiber optic cartridge-type cleaners are availab le from many vendors and typically called “cartridge cleaners.
Appendix A: Cleaning Fi ber Optic Connectors 118 Note Rub the ferrule tip on the clea ning surface in one direction only. 3. When you reach the end of the cleaning surface, pick up the ferrule tip, rotate and place it at the top and ru b downwards at least 2 times.
AT-2911 Series Gig abit Ethernet Network Adapters Installation and Use r’s Guide 119 Cleaning Fiber Optic Connector Using a Swab Specially treated swabs (stick cleaner s) are available for clean ing inside connector adapters or hard-to-reach ferrule tips.
Appendix A: Cleaning Fi ber Optic Connectors 120 3. If a fiber inspection scope is avail able, use the scope to inspect th e connector to make sure that it is clean and to check for scra tches, 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 .
Ein wichtiger Punkt beim Kauf des Geräts Allied Telesis AT-2911SFP (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Allied Telesis AT-2911SFP noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Allied Telesis AT-2911SFP - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Allied Telesis AT-2911SFP reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Allied Telesis AT-2911SFP erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Allied Telesis AT-2911SFP besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Allied Telesis AT-2911SFP verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Allied Telesis AT-2911SFP. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Allied Telesis AT-2911SFP gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
