MikroTik RouterBOARD 493 User Manual
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RouterBOARD 493/AH/G
User's Manual
(1-Sep-2011)

Copyright and Warranty Information

Copyright and Trademarks. Copyright MikroTikls SIA. This manual contains information protected by
copyright law. No part of it may be reproduced or transmitted in any form without prior written permission
from the copyright holder. RouterBOARD, RouterOS, RouterBOOT and MikroTik are trademarks of MikroTikls
SIA. All trademarks and registered trademarks appearing in this manual are the property of their respective
holders.
Hardware. MikroTik warrants all RouterBOARD series equipment for the term of fifteen (15) months from
the shipping date to be free of defects in materials and workmanship under normal use and service, except
in case of damage caused by mechanical, electrical or other accidental or intended damages caused by
improper use or due to wind, rain, fire or other acts of nature.
To return failed units to MikroTik, you must perform the following RMA (Return Merchandise Authorization)
procedure. Follow the instructions below to save time, efforts, avoid costs, and improve the speed of the
RMA process.
1. If you have purchased your product from a MikroTik Reseller, please contact the Reseller company
regarding all warranty and repair issues, the following instructions apply ONLY if you purchased your
equipment directly from MikroTik in Latvia.
2. MikroTik does not offer repairs for products that are not covered by warranty. Exceptions can be made
for: RB/1000, RB/1000U, RB/600, RB/600A and RB/800
3. Out-of-warranty devices and devices not covered by warranty sent to Mikrotik will be returned to the
sender at sender's cost.
RMA Instructions are located on our webpage here: http://rma.mikrotik.com
Manual. This manual is provided "as is" without a warranty of any kind, expressed or implied, including, but
not limited to, the implied warranty of merchantability and fitness for a particular purpose. The
manufacturer has made every effort to ensure the accuracy of the contents of this manual, however, it is
possible that it may contain technical inaccuracies, typographical or other errors. No liability is assumed for
any inaccuracy found in this publication, nor for direct or indirect, incidental, consequential or other
damages that may result from such an inaccuracy, including, but not limited to, loss of data or profits.
Please report any inaccuracies found to support@mikrotik.com

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Summary of Contents for MikroTik RouterBOARD 493

  • Page 1: Copyright And Warranty Information

    ONLY if you purchased your equipment directly from MikroTik in Latvia. 2. MikroTik does not offer repairs for products that are not covered by warranty. Exceptions can be made for: RB/1000, RB/1000U, RB/600, RB/600A and RB/800 3.
  • Page 2: Table Of Contents

    RouterBOARD 493 Series User's Manual Table of Contents Copyright and Warranty Information ..............................1 System Board View.........................3 System Board Layout........................3 Hardware Guide..........................5 Extension Slots........................5 MiniPCI Slots.........................5 Input/Output Ports........................5 LAN1 Port with PoE......................5 DB9 Serial Port......................5 Cooling Fan Connectors....................5 USB..........................5 LEDs.............................
  • Page 3: System Board View

    RouterBOARD 493 Series User's Manual System Board View System Board Layout...
  • Page 4 RouterBOARD 493 Series User's Manual RouterBOARD 493 RB493AH RB493G AR7130 300MHz AR7161 680MHz AR7161 680MHz Memory 64MB DDR SDRAM 128MB DDR SDRAM 256MB DDR SDRAM Data storage 64MB NAND 128MB NAND 128MB NAND Nine 10/100 Mbit/s Fast Nine 10/100 Mbit/s Fast...
  • Page 5: Hardware Guide

    RouterBOARD 493 Series User's Manual Hardware Guide Extension Slots MiniPCI Slots The board has three MiniPCI Type IIIA slots with 3.3V only power signaling. They also accept MiniPCI Type IIIB standard cards. Supplied power for the extension cards (excluding CPU and onboard Ethernet ports): +3.3V: 5.5A max...
  • Page 6: User's Guide

    Booting from network Network boot works similarly to PXE or EtherBoot protocol, and allows you to boot a RouterBOARD 493 series computer from an executable image stored on a TFTP server. It uses BOOTP or DHCP (configurable in...
  • Page 7: Operating System Support

    (i.e., there must not be any routers between them). Operating System Support MikroTik RouterOS MikroTik RouterOS, starting from v4.13, is fully compatible with RouterBOARD 493 series embedded boards. RouterBOOT The RouterBOOT firmware (also referred as boot loader here) provides minimal functionality to boot an Operating System.
  • Page 8: Boot Loader Upgrading

    The loader will get the image from the TFTP server and upgrade itself. The most current loader image is available for download on www.routerboard.com. The boot loader upgrading is supported also from MikroTik RouterOS. The procedure is described in the MikroTik RouterOS manual.
  • Page 9: Firmware Settings

    RouterBOARD 493 Series User's Manual version available in the current software packages installed. [admin@MikroTik] > system routerboard print routerboard: yes model: "493" serial-number: "154201C1DD3C" current-firmware: "2.16" upgrade-firmware: "2.16" [admin@MikroTik] > The firmware version can be upgraded using “/system routerboard upgrade” command, if a new firmware file has been uploaded to the RouterOS “Files”...
  • Page 10: Appendix

    Software Reset 2 jumper. Resets RouterOS settings Ethernet Cables Note: When using the MikroTik Gigabit PoE injector, PoE is passed on pins 4,5 (+) and 7,8 (-).When using other PoE injectors, power can be passed on any other pins, depending on PoE injector model.
  • Page 11: Serial Null-Modem (Console) Cable With Loopback

    RouterBOARD 493 Series User's Manual Serial Null-modem (Console) Cable with Loopback DB9f Function DB9f DB25f 1 + 4 + 6 CD + DTR + DSR CD + DTR + DSR 1 + 4 + 6 6 + 8 + 20...

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