[asterisk-users] Grandstream RS-232 config (slightly off-topic)

[Vieri]

Never mind. I set the wrong baud rate. The right values are 115200-8-N-1-No flow control. However, the serial connection is as good or as useless as the telent connection. I have no way to restore factory settings.

--- On Tue, 8/5/08, Vieri <rentorbuy at yahoo.com> wrote:

> I realize this may be slightly off-topic but I'm
> wondering if someone here can lend me a hand.
> 
> One of my GXW4008 has gone "unconfigurable" via
> standard HTTP (refuses connection) and I can't use the
> built-in IVR because I had previously disabled the
> "keypad update" feature. So I'm stuck with
> just telnet, the reset button and RS-232.
> 
> Telnet commands are very limited and I can't change SIP
> configuration or reset to default values (and see if that
> helps to bring the HTTP back up). I did try to upgrade and
> downgrade the firmware with no change at all.
> 
> The reset button reboots the device but doesn't restore
> default values! (I tried keeping it pressed for several
> minutes...)
> 
> So my last chance before throwing it away is to administer
> it via serial port. The thing is that Grandstream's
> official manual says that there is "an RS232 serial
> port for administration" but it doesn't say
> anything else about it (how to connect, how to change
> config, how to reset the device, etc). There's
> absolutely nothing regarding RS-232.
> 
> If someone has this or a similar device and accessed it via
> serial port then I'd greatly appreciate some quick tips.
> 
> Thanks,
> 
> Vieri
>