Allied Telesis AT-2972LX10/LC-901, AT-2916LX10/LC-901 C3. DMA Test, C4. MII Test, Offset Mask

Page 124

Chapter 11: DOS Diagnostics

C3. DMA Test

Function: Both high and low priorities DMA are tested. It moves data from the host memory to NIC SRAM, verifies data, and then moves data back to the host memory again to verify data.

Default: Enabled

C4. MII Test

Function: The function is identical to A2. Control Register Test. The test writing zero and one into the test bits to insure the read only bits value are not changed, and read/write bits are changed accordingly.

Default: Test Enabled.

The test attempts to read the register configuration file ‘miireg.txt’ for the register defines. If the file does not exists, the following table is used. See Table 9.

Table 9. Default Register

Offset

R/O Mask

R/W Mask

 

 

 

 

 

 

0x00

0x0000

0x7180

 

 

 

0x02

0xffff

0x0000

 

 

 

0x03

0xffff

0x0000

 

 

 

0x04

0x0000

0xffff

 

 

 

0x05

0xefff

0x0000

 

 

 

0x06

0x0001

0x0000

 

 

 

0x07

0x0800

0xb7ff

 

 

 

0x08

0xffff

0x0000

 

 

 

0x09

0x0000

0xff00

 

 

 

0x0a

0x7c00

0x0000

 

 

 

0x10

0x0000

0xffbf

 

 

 

0x11

0x3300

0x0000

 

 

 

0x19

0x001f

0x0000

 

 

 

0x1e

0x0000

0xffff

 

 

 

0x1f

0x0000

0xffff

 

 

 

124

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Contents Installation Guide Page Electrical Safety and Emissions Standards Translated Safety Statements Contents Vlan ID Page Contents Figures Figures Preface Safety Symbols Used in this Document Symbol Meaning DescriptionWhere to Find Web-based Guides Management Software Updates Contacting Allied TelesisChapter Functional Description Contents of Your Shipment LEDs State DescriptionSoftware Driver Features AT-29xx Series Adapter Software DriversFailover Teaming Installing the Hardware Reviewing Safety Precautions Page Pre-Installation Checklist Installing a Network Adapter Card Removing the PC CoverInstalling the Hardware Make sure the card is securely seated. See Figure Installing the Hardware Connecting the Network Cables Port Type Connector Media Maximum DistanceWarranty Registration Chapter Installing the Driver Software Using the Driver InstallerClick Install from a list or specific location Advanced Click Include this location in the search Updating the Adapter Software Run Window Device Manager Window is shown in Figure Hardware Update Wizard Window Modifying Configuration Properties Click Install from a list or specified location AdvancedPage Uninstalling the Driver Software Page Chapter Selecting the Device Manager Selecting the Device Manager in Windows 2008 R2 and WindowsPage Selecting the Device Manager in Windows Vista Windows Vista Run WindowDevice Manager Window Installing Windows R2, Windows Vista, Driver Software Update Driver Software Ethernet Controller Window Click Browse my computer for driver softwareUpdate Driver Software Confirmation Window Open the Device Manager Page Setting Advanced Properties Opening Advanced Properties Page Setting Advanced Properties Ethernet@Wire- speed AT-2972/T2 only Flow ControlSetting Advanced Properties Interrupt Moderation Setting Advanced Properties Large Send Offload Property Setting Advanced Properties Page Receive Side Scaling Speed & Duplex Mode Checksum Offload Page Wake Up Capabilities Page Setting Advanced Properties Installing the Linux Driver Software Building a Driver from a TAR File Installing the Linux Driver SoftwareRemoving the tg3 Driver Rmmod tg3 Network Installation Removing the Linux Driver from a TAR Installation ˆ linespeed Module Parametersˆ autospeed ˆ fullduplex ˆ rxflowcontrolˆ txflowcontrol ˆ autoflowcontrolˆ mtu ˆ txchecksumˆ rxchecksum ˆ scattergatherˆ adaptivecoalesce ˆ rxjumbodesccntˆ rxcoalesceticks ˆ enablewol ˆ rxmaxcoalesceframesˆ txcoalesceticks ˆ txmaxcoalesceframesˆ enabletso Installing the Linux Driver Software Installing the Novell NetWare Driver Software Driver Installation Pre-Installation Requirements NetWare OS Support Pack or Patch Files to be InstalledInstalling Novell NetWare Server 5.x or 6.0 Driver Software Select Save parameters and load driver to continuePage Configuration Parameters for B57.LAN driver Verifying or Modifying Adapter ParametersNODE= FRAME= Poll= Bind IPX B571E82 NET=FAFD3D25 Removing Drivers from Autoexec.ncf ExampleInstalling the Novell NetWare Driver Software Installing the NDIS2 Driver Software for MS-DOS Platforms Change DriverName=$ to DriverName=B57$ Pre-Installation RequirementsExample Protocol.ini for IP Example Protocol.ini for IPX Example Protocol.ini for NetBEUIChange netcard= to netcard=b57.dos Example SYSTEM.INICopy B57.dos to A\Net For IPXFor NetBEUI SET PATH=A\NET \NET\NET Start BasicUsing Keywords for the B57.dos Drivers Page Installing the PXE Boot Agent Overview Server Setup Windows Server 2003 Windows XPInstalling the PXE Boot Agent 106 Troubleshooting Hardware Diagnostics Checking Port LEDs on the Adapter Troubleshooting Checklist Verifying the Correct Drivers are Loaded Module Size Used byType ipconfig /all Testing Network ConnectivityWindows Server Command Window with ping displayed 114 Software Problems and Solutions Windows XP Image116 DOS Diagnostics Introduction DOS Prompt Commands Command DescriptionDiagnostic Tests Group aGroup B Group CA1. Indirect Register Test A2. Control Register TestA3. Interrupt Test A5. PCI Cfg Register TestB2. BD Sram Test B3. DMA Sram TestB4. Mbuf Sram Test B5. Mbuf Sram via DMA TestDefault Disabled B6. External Sram TestC1. Eeprom Test C2. CPU TestC4. MII Test C3. DMA TestOffset Mask C5. VPD Test C6. ASF TestC7. ROM Expansion Test D1. Mac Loopback TestFunction Default Disabled D2. Phy Loopback TestD3. RJ45 Loopback Test D4. MII Miscellaneous TestError Messages Pass128 129 130 Specifications Physical SpecificationsEnvironmental Specifications Appendix aPower Specifications Performance SpecificationsOperating Specifications Appendix a Specifications 134 Cleaning Fiber Optic Connectors Appendix BUsing a Cartridge-Type Cleaner Rubbing the Ferrule Tip on the Cleaning Surface137 Using a Swab Cleaning a Recessed Ferrule If desired, repeat step139 Appendix B Cleaning Fiber Optic Connectors 140
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AT-2916LX10/LC-901, AT-2972SX, AT-2972SX/2, AT-2972LX10/LC-901, AT-2916SX specifications

The Allied Telesis AT-2972T/2 is a highly capable 10/100 Mbps Fast Ethernet switch designed to provide reliable performance and advanced management features for small to medium-sized businesses. This switch is built on a robust technology platform, making it an ideal choice for organizations looking to enhance their network infrastructure while ensuring scalability and flexibility.

One of the main features of the AT-2972T/2 is its support for 24 ports, allowing for extensive connectivity in a compact footprint. This makes it suitable for environments where space is limited but connectivity demands are high. With auto-negotiation on all ports, the switch automatically detects the best speed and duplex mode, ensuring optimal performance and seamless integration into existing networks.

The AT-2972T/2 incorporates advanced Layer 2 switching capabilities, enabling efficient handling of data traffic. Its ability to support VLAN (Virtual Local Area Network) tagging allows for network segmentation, improving performance and security. This feature is particularly beneficial for organizations that require different departments or teams to maintain their network traffic separately.

Quality of Service (QoS) is another significant aspect of the AT-2972T/2. The switch provides multiple traffic prioritization levels, ensuring that critical applications receive the necessary bandwidth to function effectively. This is essential in maintaining the performance of real-time applications such as VoIP and video conferencing, which are increasingly crucial in today’s business environment.

The built-in diagnostics features of the AT-2972T/2 enhance its reliability and ease of management. With capabilities such as loop detection and port mirroring, network administrators can quickly troubleshoot issues and monitor traffic flow to ensure a stable network.

Power over Ethernet (PoE) support is available in some configurations of the AT-2972T/2, allowing the switch to deliver power to connected devices such as IP cameras and wireless access points. This capability simplifies installations and reduces the need for additional power sources, streamlining the deployment of network devices.

Furthermore, the switch is designed with energy efficiency in mind, adhering to environmental standards that help organizations reduce their carbon footprint while cutting energy costs.

In summary, the Allied Telesis AT-2972T/2 stands out as a versatile and robust Fast Ethernet switch, equipped with essential features like VLAN support, QoS, PoE, and advanced diagnostics. Its combination of performance, management capabilities, and energy efficiency makes it an excellent choice for businesses aiming to build a reliable and future-proof network infrastructure.