There shouldn't be anything particular required. I assume the Interface Setup > WAN > Mobile Network page and the Status > Mobile Network Status pages both show that there is nothing connected at all?
Anyway, I have a 320U here running the same firmware and it is working fine on a 527 running 1.2.6(3). I'd suggest that you log a support case with the SBSC (http://www.cisco.com/go/sbsc for contact details) and get them to have a look. There are a few different reasons I can think of that might cause this, including damaged or mis-connected hardware, or indeed that Sierra have changed the modem hardware without changing the model number. That has happened before, though the Sierra Wireless modems have generally been pretty good in my experience.
Hi every one!!!When you are configuring a remote VPN connection, there
are some steps that are lost on the path. Here you can see those steps.
A) In your Cisco device: 1. Ensure you don´t have any rule denying the
traffic between the device and the remote...
STANDARDSOURCECOMMENTSEthernet RJ-45 connector pin number12345678IEEE
802.3afusing data pairsRXDC+RXDC+TXDC-sparespareTXDC-sparespareIndustry
Standard for Embedded POE(used by Cisco Catalyst Switches)IEEE
802.3afusing spare pairs RXRXTXDC+DC+TXDC-DC-Indus...
** Update **These and a number of other issues have been addressed in
SRP520 MR3. Please see https://supportforums.cisco.com/docs/DOC-13853
for details on how to access this code.There have been a number of
reports of the SRP500 becoming unresponsive afte...