background image

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/AH/G

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: ...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 total Two DC fan power o...

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: ...implement the hardware RTS CTS flow control so it is 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 configu...

Page 8: ...ght have support for more hardware so it s generally a good idea to upgrade the loader once a newer version is 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 availabl...

Page 9: ...bility of new BootLoader versions is displayed in upgrade firmware 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 bu...

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 ...

Reviews: