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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 [email protected]

Summary of Contents for RouterBOARD 493

Page 1: ... 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...

Page 2: ... 5 User s Guide 6 Assembling the Hardware 6 Powering 6 Booting options 6 Onboard NAND Storage Device 6 Booting from network 6 Operating System Support 7 MikroTik RouterOS 7 RouterBOOT 7 Boot Loader Configuration 7 Configurable Options 7 Boot Loader Upgrading 8 Primary Boot Loader 8 RouterOS on RouterBOARD 493 8 Health monitor 8 Firware information 8 Firmware Settings 9 Software Reset 9 Appendix 10...

Page 3: ...RouterBOARD 493 Series User s Manual System Board View System Board Layout 3 ...

Page 4: ...DC Power over Ethernet 10 28V DC except power over datalines Power jack 10 28V DC Power over Ethernet 10 28V DC except power over datalines Power jack 10 28V DC Fan control Two DC fan power output headers with rotation sensor and automatic fan switching maximum output current 500mA total Two DC fan power output headers with rotation sensor and automatic fan switching maximum output current 500mA t...

Page 5: ... cross over cable for connecting to other network devices DB9 Serial Port The RS232C standard male DB9 asynchronous serial port may be used for initial configuration or for attaching a modem or any other RS232 serial device TxD pin 3 of this port has 5V DC power when idle Some signals are not connected so this implementation may not be considered to support full hardware flow control so software f...

Page 6: ...cial Gigabit power injector The maximum output of the power supply to the extension cards is normally at about 5 5A Booting options First RouterBOOT loader is started It displays some useful information on the onboard RS232C asynchronous serial port which is set to 115200bit s 8 data bits 1 stop bit no parity by default The loader may be configured to boot the system from the onboard NAND module o...

Page 7: ...s suggested to try to disable hardware flow control in the terminal emulation program in case the serial console does not work as expected and if it does not help make a new cable using the pinout given in the Appendix To enter the loader configuration screen press any key or only Delete key or Backspace key see the note for the respective configurable option depending on the actual configuration ...

Page 8: ... available You can upgrade the loader through the onboard serial port using XModem protocol programs available for all major OSs For example you can use HyperTerminal for Windows or Minicom for Linux to upload the boot loader Alternatively if you have a DHCP BOOTP and TFTP servers available you can specify the loader image as a boot image and choose the bios upgrade over ethernet option in the boo...

Page 9: ...irmware Firmware Settings Boot loader settings are also accessible through this menu admin MikroTik system routerboard settings print baud rate 115200 boot delay 2s boot device nand if fail then ethernet enter setup on any key cpu frequency 680MHz boot protocol bootp enable jumper reset yes admin MikroTik The Software Reset 2 button TP2 button which resets both boot loader settings and RouterOS se...

Page 10: ...ectors alternating 1 GND 2 12 24 V DC same as input voltage 3 Rotation speed feedback One USB 2 0 RB493G only Button Index S3 Software Reset 1 button Loads the Primary boot loader RESET 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 p...

Page 11: ... Series User s Manual Serial Null modem Console Cable with Loopback DB9f Function DB9f DB25f 1 4 6 CD DTR DSR N C N C N C CD DTR DSR 1 4 6 6 8 20 2 RxD 3 2 3 TxD 2 3 5 GND 5 7 7 8 RTS CTS 7 8 4 5 N C not connected 11 ...

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