
GORAMO – Janusz Górecki
MultiLink Router and MikroRouter
www.goramo.com.pl
age 33 from 41
When you select an Enter key and approval are two connection options:
Select bridge configuration media to be bridged over HSS0 to DCE
1. Bridge Ethernet (eth0) over HSS0 (hdlc0 and hdlc1) - normal RxClk
2. Bridge Ethernet (eth0) over HSS1 (hdlc0 and hdlc1) - invert RxClk
The first combines all the interfaces in a transparent bridge (for Goramo Converters E0 and Goramo
Converters E1). The second does the same, but for the HDLC interface uses a different clock edge
(for Goramo Alfa2 modems). When set to enter the router configuration, and then asks whether you
want to save the new setting in the flash memory:
The device configuration has been changed and applied.
Do you want to save changes into Flash memory?
(Y) Yes
(N) No
After selecting Y and approved, you will get the message:
Saving changes.
<wait>
Writing to flash memory takes about 40s. (This confirms LED Flash busy "), then a message is
displayed:
Changes has been saved. Press <Enter> to go back to main menu.
After pressing Enter the main menu appears in the selection.
If you select the message N
Changes were not saved into Flash, they will be valid until rebooting
the device.
Press any key, to go back to main menu.
After pressing Enter the main menu there is a choice.
After entering changes to select option "4 Logout and log out of your system.
6 Upgrading the Linux operating system
Device's operating system is modified. The company's website: http://goramo.com.pl/public/, all
the time for the latest version of the kernel. Users can independently perform router updates the
version of the operating system without compromising the GUI version, or using the current
configuration of RedBoot commands. RedBoot can to get the first 10 seconds after power is supplied
only via the RS-232 console connected to the Control Port or port designated as ttyS0, depending on
the version of your router.
For Linux operational system upgrading you should:
1. At the local server TFTP (Windows or Linux)
3
copy image file armeb* taken from GORAMO –
Janusz Górecki (www.goramo.com.pl
) or make by yourself
2. connect port Eth0 to TFTP server, and converter control port to PC computer RS232 port, where
terminal program runs (for example: HyperTerminal – Windows or MiniCom – Linux, with
following port setting: 115,2 kbit/s, 8N1, flow control: OFF or XON/XOFF).
3
for example from the site www.chip.pl
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