MikroTik RouterBOARD 493/AH/G User Manual Download Page 11 | Manualshive

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RouterBOARD 493 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.

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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 ...

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