Allied Telesis AT-8948 Specifications

x900 Series SwitchHardware ReferenceAT-8948x900-48FEx900-48FE-NAT-9924TAT-9924SPAT-9924T/4SPAT-9924Tsx900-24XTx900-24XT-N

8 x900 Series SwitchC613-03092-00 REV DAT-9924T switch Key features are: Autonegotiating, multi-layer gigabit switch 24 10BASE-T/100BASE-TX/1000BASE

Hardware Reference 9C613-03092-00 REV DExpandable Gigabit SwitchesThese gigabit link aggregation switches operate with other switches that have 10Mb/1

10 x900 Series SwitchC613-03092-00 REV DAT-9924Ts andx900-24XT switchesThe unmatched flexibility of x900-24X and AT-9924Ts switches lets you tailor so

Hardware Reference 11C613-03092-00 REV DSwitch LEDsThe following LEDs report operations and faults on the x900 switches: Fast Ethernet RJ-45 port LED

12 x900 Series SwitchC613-03092-00 REV DSFP port LEDs LED State DescriptionL/A (Link Activity)Green On x900-48FE and AT-8948 switches, a 1000Mbps lin

Hardware Reference 13C613-03092-00 REV DSystem LEDsLED State DescriptionPSU 1 Green PSU 1 is installed and supplying power to the switch. The voltage

14 x900 Series SwitchC613-03092-00 REV DUsing Online DocumentationThis section contains instructions on how to view online documentation on the CD-ROM

Hardware Reference 15C613-03092-00 REV DUsing AT-TFTP ServerThis section explains how to access and use the AT-TFTP Server. You can transfer configura

16 x900 Series SwitchC613-03092-00 REV DUsing Windows Terminal and HyperTerminalYou can use a PC running terminal emulation software as the manager co

Hardware Reference 17C613-03092-00 REV D4. In the COMn Properties dialog box, set port parameters as follows, and click the OK button.5. From the main

x900 Series Switch Hardware ReferenceDocument Number C613-03092-00 REV D© 2003-2006 Allied Telesis, Inc. All rights reserved. No part of this publicat

18 x900 Series SwitchC613-03092-00 REV D6. Click ASCII Setup to display the ASCII Setup dialog box, and ensure the following options are not selected:

Hardware Reference 19C613-03092-00 REV DHow the Switch Starts UpWhen the switch starts up following a power cycle or an operator-initiated reboot (usi

20 x900 Series SwitchC613-03092-00 REV DRegular output The following messages are an example of output from AT-8948, x900-48FE, and AT-9900 switches.T

Hardware Reference 21C613-03092-00 REV DFAIL: BBR test. Error address = locationBBR size/location test failed at the given location. The test at this

22 x900 Series SwitchC613-03092-00 REV DAT-9924Ts and x900-24X SwitchesThis section explains how AT-9924Ts and x900-24X switches start initially, incl

Hardware Reference 23C613-03092-00 REV DRegular output Bootloader and product software (AlliedWare) display a series of messages similar to those in t

24 x900 Series SwitchC613-03092-00 REV DBootloadermessagesThe following table explains messages that bootloader software displays at initial startup f

Hardware Reference 25C613-03092-00 REV DAlliedWaremessagesThe following table explains messages that the base and fallback software display at startup

26 x900 Series SwitchC613-03092-00 REV DValidating package licence...doneorValidating package licence...failedWhether a valid licence has been found f

Hardware Reference 27C613-03092-00 REV DSFP PortsSFP transceivers are compact, hot-swappable, and high speed. Certain fibre and copper SFP transceiver

Hardware Reference 1C613-03092-00 REV DContentsDevices Covered by this Document ... 3

28 x900 Series SwitchC613-03092-00 REV DTypes of SFPtransceiversSpeed and duplex settings differ depending on the type of SFP transceiver installed in

Hardware Reference 29C613-03092-00 REV DManagement PortsThe following management ports let you configure, monitor, and upgrade the switch: RS-232 Ter

30 x900 Series SwitchC613-03092-00 REV DCablesThis section describes the following: RS-232 Terminal and Modem Cables Cables for RJ-45 Ethernet LAN I

Hardware Reference 31C613-03092-00 REV DRJ-45 to DB9male modem cableFor more information on pin assignments for the RS-232 port, see “RS-232 Terminal

32 x900 Series SwitchC613-03092-00 REV D1000BASEstraight-throughcableFor 1000BASE network connections, all four pairs are used and the cable is wired

Hardware Reference 33C613-03092-00 REV DCable GuidelinesThe following table lists port, connector, and cable combinations for switches and expansion m

34 x900 Series SwitchC613-03092-00 REV DTroubleshooting CablesCable test The virtual cable test facility diagnoses cable faults and the approximate di

Hardware Reference 35C613-03092-00 REV DPower Supply Units (PSUs)Two power supply bays are at the rear of the x900 chassis. Each switch is supplied wi

36 x900 Series SwitchC613-03092-00 REV DApproved PSUsand FOMProduct numbers for the power supply unit (PSU) and the fan-only module (FOM) that can be

Hardware Reference 37C613-03092-00 REV DVerifying installation To confirm that the network processor accelerator card is installed and operating corre

2 x900 Series SwitchC613-03092-00 REV DCables ...

38 x900 Series SwitchC613-03092-00 REV DIf there is no entry for the accelerator card, then the switch’s boot process has not detected the card. The m

Hardware Reference 39C613-03092-00 REV DInserting andremoving aCFlash cardYou can insert the card into the CompactFlash slot at any time; it takes abo

40 x900 Series SwitchC613-03092-00 REV DThe following is example output from the show cflash test command when a test is running.Error messages are di

Hardware Reference 41C613-03092-00 REV DDisplaying dataabout an SD cardTo display information about a Secure Digital card, including card size, file c

42 x900 Series SwitchC613-03092-00 REV DWarning Only authorised service personnel should install DIMMs. Opening the switch’s lid may cause personal in

Hardware Reference 43C613-03092-00 REV DXFP ports The following XFPs are approved for use with 10GbE expansion modules (XEM). The x900-24XT switch sup

44 x900 Series SwitchC613-03092-00 REV DTesting Ethernet LAN PortsA crossover cable is required to run an Ethernet LAN test. How to make a suitable ca

Hardware Reference 45C613-03092-00 REV DFor AT-9924Ts and x900-X24 switches, the following prompt is displayed: Boot fallback software (Y)?Press Ctrl+

46 x900 Series SwitchC613-03092-00 REV DTroubleshooting This section provides information on how to troubleshoot the x900 Series switch to resolve the

Hardware Reference 47C613-03092-00 REV DFollow these suggestions to resolve the problem:1. Check that the power cord connections are secure.2. Check t

Hardware Reference 3C613-03092-00 REV DDevices Covered by this DocumentThis Hardware Reference includes information on these devices: AT-8948 x900-4

48 x900 Series SwitchC613-03092-00 REV DFor More InformationDocument sets The Documentation and Tools CD-ROM bundled with each switch contains the com

4 x900 Series SwitchC613-03092-00 REV DHardware OverviewThis section provides details about the physical characteristics of the following: 48-Port Fa

Hardware Reference 5C613-03092-00 REV D48-Port Fast Ethernet SwitchesThese Fast Ethernet switches meet the exceptionally high performance demands of h

6 x900 Series SwitchC613-03092-00 REV DAT-8948 andx900-48 switchesKey features are: Autonegotiating, multi-layer Fast Ethernet switch 48 10BASE-T/1

Hardware Reference 7C613-03092-00 REV DGigabit SwitchesAT-9900 Series switches are advanced gigabit Ethernet multi-layer switches, perfect for the hig