Modem Issues

Hi all

I have a maxxwave 3g router that uses the routerboard 411UAHR. The modem that came with the unit was a gobi2000 and was used for about 3 months without issue. The modem no longer connects, there were no configuration changes or provider changes, one day it worked the next it did not. Support requests to baltic networks, where I bought the unit, have gone unanswered. So I bought two additional modem cards off ebay that are on your hardware list, and pulled one out my laptop in the hope of being able to get it going again. The board has had its firmware upgraded and the routeros version is 5.18, latest stable at this time. I am testing with a t-mobile now, but originally I was using at&t, apn, username and password were correct and sim does connect on other devices. Here is a list of the modems I tried with all relevant details. Sorry for the length.

*******Gobi2000 (original unit)
This modem worked for about 3 months without issue on numerous providers. Now:

[admin@Maxxwave3G] > /system resource usb print

DEVICE VENDOR NAME SPEED

0 2:1 RB400 EHCI 480 Mbps
1 2:2 Qualcomm Incorporated Gobi 2000 480 Mbps
2 1:1 RB400 OHCI 12 Mbps

[admin@Maxxwave3G] > port print
Flags: I - inactive

NAME CHANNELS USED-BY BAUD-RATE

0 serial0 1 Serial Console auto
1 I usb2 2 9600

Note the I
Unable to acquire port?

No longer has a serial port. I suspected the modem may have failed, but as you will see below another gobi is showing the same problems.

*****gobi2000 (2nd hand one bought off ebay) , I couldn't resist the specs of the unit.
[admin@Maxxwave3G] > /system resource usb print

DEVICE VENDOR NAME SPEED

0 2:1 RB400 EHCI 480 Mbps
1 2:2 Qualcomm Incorporated HP un2420 Mobile B... 480 Mbps
2 1:1 RB400 OHCI 12 Mbps

[admin@Maxxwave3G] > port print
Flags: I - inactive

NAME CHANNELS USED-BY BAUD-RATE

0 serial0 1 Serial Console auto
[admin@Maxxwave3G] >

no usb port????
That's two gobi's showing the same problem or am I missing something?

****option gtm378 : bought off ebay
[admin@Maxxwave3G] > /system resource usb print
VENDOR NAME SPEED
0 2:1 RB400 EHCI 480 Mbps
1 1:1 RB400 OHCI 12 Mbps
2 1:3 Option N.V. Globetrotter HSDPA... 12 Mbps

[admin@Maxxwave3G] > port print

NAME CHANNELS USED-BY BAUD-RATE

0 serial0 1 Serial Console auto
1 usb2 2 9600

/system serial-terminal usb2 channel=2

ati
Manufacturer: Option N.V.
Model: GTM378
Revision: 2.5.11Hd (Date: Feb 11 2008, Time: 15:10:46)

OK
Another GTM378, this is also on your supported hardware list.

at_oifc?
_OIFC: 3,1,1,0

OK
at_oifc=?

_OIFC: [2-3], [0,1], [1], [0-5]
mdm, diag, app1, pcsc/gps
MDM (0: N/A) (1: N/A) (2: ndis) (3: modem and ndis)
DIAG (0: none) (1: enable)
APP1 (0: none) (1: enable)
PCSC/GPS (0: none) (1: pcsc enable) (2: GPS enable) (3: app2 enable) (4: GPS & PCSC) (5: GPS & app2)

OK

Flags: I - inactive

NAME CHANNELS USED-BY BAUD-RATE

0 serial0 1 Serial Console auto
1 usb2 2 9600

only two channels?

[admin@Maxxwave3G] > /interface ppp-client print
Flags: X - disabled, R - running
0 R name="ppp-out1" max-mtu=1500 max-mru=1500 mrru=disabled port=usb2 data-channel=1 info-channel=1 apn="epc.tmobile.com"
pin="" user="" password="" profile=default phone="" dial-command="ATDT" modem-init="" null-modem=no dial-on-demand=yes
add-default-route=yes use-peer-dns=yes keepalive-timeout=0 allow=pap,chap,mschap1,mschap2

[admin@Maxxwave3G] > /log print
00:00:35 system,error,critical router was rebooted without proper shutdown (cause 1)
00:00:50 system,info,account user admin logged in via local
00:00:54 async,ppp,info ppp-out1: initializing...
00:00:55 async,ppp,info ppp-out1: waiting for packets...

That's as far as I get.

Info for the ppp-out1
Status ready
PIN Status no password required
Functionality full
Manufacturer Option N.V.
Model GTM378
Revision 2.5.11Hd (Date: Feb 11 2008, Time: 15:10:46)
Serial Number 352375011073962,SE397750WN
Current Operator Limited Service
Access Technology 3G
Signal Strength -97 dBm

Tried data channel 0 and 1.
waiting for packets... is as far as the connection goes.



****From my laptop
Quadcomm 3g cdma
model m00201
I could not find it on the approved list but I gave it a go anyway

[admin@Maxxwave3G] > /system resource usb print

DEVICE VENDOR NAME SPEED

0 2:1 RB400 EHCI 480 Mbps
1 1:1 RB400 OHCI 12 Mbps
2 1:3 Option N.V. Globetrotter HSDPA Modem 12 Mbps

[admin@Maxxwave3G] > port print
Flags: I - inactive

NAME CHANNELS USED-BY BAUD-RATE

0 serial0 1 Serial Console auto
1 I usb2 2 9600
2 usb3 3 9600
the usb2 is left over from the original gobi2000 (this was done after testing the original gobi)

[admin@Maxxwave3G] > port remove 1
[admin@Maxxwave3G] > port print
Flags: I - inactive

NAME CHANNELS USED-BY BAUD-RATE

0 serial0 1 Serial Console auto
1 usb3 3 9600

[admin@Maxxwave3G] /system serial-terminal usb3 channel=2

ati
Manufacturer: Option N.V.
Model: GTM378
Revision: 2.3.3Hd (Date: Jul 17 2007, Time: 15:49:23)

another gtm378! It is on the list!
at_oifc?
_OIFC: 1,1,1,0

OK
at_oifc=?

_OIFC: [1-3], [0,1], [1], [0-3]
mdm, diag, app1, pcsc/gps
MDM (0: none) (1: modem) (2: ndis) (3: flip flop: for test purposes only)
DIAG (0: none) (1: enable)
APP1 (0: none) (1: enable)
PCSC/GPS (0: none) (1: pcsc enable) (2: GPS enable) (3: app2 enable)

OK

Not quite the same? No ndis and modem?

Interface
Status ready
PIN Status no password required
Functionality full
Manufacturer Option N.V.
Model GTM378
Revision 2.3.3Hd (Date: Jul 17 2007, Time: 15:49:23)
Serial Number 352375010763910,SE3976848A
Current Operator T-Mobile
Access Technology GSM compact
Signal Strength -95 dBm


[admin@Maxxwave3G] > /interface ppp-client print
Flags: X - disabled, R - running
0 R name="ppp-out1" max-mtu=1500 max-mru=1500 mrru=disabled port=usb3 data-channel=2 info-channel=2 apn="epc.tmobile.com"
pin="" user="" password="" profile=default phone="" dial-command="ATDT" modem-init="" null-modem=no dial-on-demand=yes
add-default-route=yes use-peer-dns=yes keepalive-timeout=0 allow=pap,chap,mschap1,mschap2

[admin@Maxxwave3G] > /log print
....
00:25:40 async,ppp,info ppp-out1: initializing...
00:25:40 async,ppp,info ppp-out1: waiting for packets...

nothing more in the logs from ppp after that
Tried data channel 0,1 and 2

So, what I'm understanding is the two gobi's are both not offering a serial/usb port. Two broken modems seems unlightly. The two globetrotters are very similar but not the same. The at_oifc=? is showing the one to not offer the ndis and modem option. But regardless neither connect.

Many thanks, oh and routerboard and routeros are very impressive!

Regards

Since the original post I have dug a bit deeper.

One of the 378s
-will get to authenticated.
-shows ‘limited service’
-scan shows only at&t networks, (no compact gsm at&t and t-mobile services that the other 378 shows)
-I suspect the modem is working but somehow restricted to 3g only, and since Im using t-mobile the only thing it can do is connect to at&t and they not giving me a connection, understandably. The ppp and async logs show md-dns being sent by the far network but the ip address remains 0.0.0.0
-I have used AT_OPSYS=.. {different options} without luck

the other 378
-does not get past dialing

  • atdt*99# never produces a response (atd the same). Settings are the same as the one above.

I cannot find updated firmware or info on how to update the option cards anywhere. I suspect this is what required with both.

The Gobis
The original that worked but stopped for no known reason.
-Is there a way to check for corrupted firmware files that were stored. I would like to confirm the supplied firmware good. There are three files, does one contain a checksum?

-The other gobi (from ebay) is a Hon Hai. I have figured out gobi 2000 is a chipset and not a make. Im seeing J9C-gobi2000. All firmware files tried have not produced a usb port. Anyone know where to find then. I have tried the ones listed on this forum under another gobi2000 post.

Regards

Hi all!

I have the similar modem:

manufacturer: Option N.V.
model: GTM671WFS
revision: 2.2.16.0 (Date: Dec 15 2011, Time: 11:21:24)

My problem is the modem respond an error to command atdt99**1#:

14:22:56 async,ppp,info orange_3G: initializing modem…
14:22:56 async,debug usb4:3: sent AT+CGDCONT=1,“IP”,“internet”
14:22:56 async,debug usb4:3: rcvd OK
14:22:56 async,ppp,info orange_3G: dialing out…
14:22:56 async,debug usb4:3: sent AT+CGDCONT=1,“IP”,“internet”
14:22:56 async,debug usb4:3: rcvd OK
14:22:56 async,debug usb4:3: sent ATDT99**1#
14:22:56 async,debug usb4:3: rcvd ERROR
14:22:56 async,debug usb4:3: resetting modem

Anyone can help me?

I have the solution:

Set dial-command: ATD
Set data-channel and info-channel to 6

and works fine!