Issues with EM12G and EM7455 on Calyx
Posted: Wed Nov 10, 2021 11:29 am
I have a few family and friends I've deployed LTE internet setups for, almost all of them are using Calyx.
I've been setting up these calyx devices for a bit, and have some questions I'm hoping someone can provide a bit of insight on.
For older Calyx plans, with the sprint branded sim cards, do these require occasional OTA updates to remain functional? I have a calyx account I payed for last year that I use for testing purposes before I order calyx for a customer. I have a customer switching from Visible to Calyx, and have been letting them use my calyx sim as a test drive for a few days.
Both the Sierra EM7455 and EM12g have frequent disconnects on the service. I've tried magic on both modems, testing to see if its related to IMEI mismatch of the hotspot originally provided by calyx.
I've tried locking bands, and also tried a EM12G modem in place of the EM7455, and also switched the router from a WE826-T2 to a NEX6GO model. Disconnects keep happening.
I'm using The Wireless Haven Active PoE equipment, 36w injector.
When I arrive after they have told me its 'down', I don't see anything out of the ordinary in the debug window. Nothing reports limited service, however, the internet is not accessible. Modem and router appear fine. Just seems that the LTE data has been shut off. (Somewhat seems after the connection is idle for awhile, this happens)
Tower is 2 miles away from this residence. I've tested the tower up close, pushes Band 2,4,12 and 66 (2 and 12 seem to provide the fastest speeds, band 4 on this tower is extremely slow). I've tried locking out all the bands other than 2 or 12. Still seems to shut off the LTE data 2-3 hours after a reboot.
I didnt grab a snip of the GSTATUS settings, but SINR is 9-10, RSRP is less than 100 typically, ECIO is 7-8, RSSI is 65-75. Signal quality and speeds are great when tested across several devices, even my test MR1100.
Tested in both WE826 & Nex6GO inside an enclosure mounted on the roof, with CISCO-4G TNC antennas. Powered by POE.
EM7455
-Generic Firmware ~ 2019
-IMEI updates
- r.ispsn APN IPV6
EM12G
-Generic MDM profile
-IMEI Updates
-Autselect disabled
- r.ispsn APN IPV6
I have several Calyx customers using EM06 and EM12g modems, that can stay powered on for 2-3 months and never need a reboot. The hardware is essentially the same across these deployments, most is sourced from thewirelesshaven.com
Unfortunately, these people are 30 miles away, and driving there and back takes near a hour. Quick fixes aren't that quick.
1. With Calyx sprint plans, do you have to re-insert the SIM into the original hotspot periodically for OTA updates? - Either way, the sim works well in MR1100 and any of my other rigs. Other customers have been working for months without needing the original hotspot. So I'm not sold on this conclusion.
2. Something else I'm noticing, is I can commit several config changes to the EM7455 (selrat=06, band locking, etc,) and then when I return a day later, everything has been reverted to default (selrat=01, bands=01/all cell/lte bands, etc), is it possible for the tower to reset the settings on this modem? What can I do to prevent that? ( I originally thought this to be the issue of the disconnects, settings get reset, connects to band 4 - which allows you to connect, but no LTE data on that band)
3. On the EM12g, I can commit the changes, and save them with QPRTPARA=1, and they persist, but I still get disconnected randomly, same as with the EM7455. (About every 2-3 hours)
What else can I do to try and locate/understand this issue(apart from living at their house for a day?) Is there some verbose logging I can turn on and syslog somewhere?
Hate to let customers go, but driving an hour 3-4 days in a row after work sucks(I do this on the side, apart from my day job). Hoping someone can point me in the next steps for troubleshooting.
Thanks! and sorry for the long post!
I've been setting up these calyx devices for a bit, and have some questions I'm hoping someone can provide a bit of insight on.
For older Calyx plans, with the sprint branded sim cards, do these require occasional OTA updates to remain functional? I have a calyx account I payed for last year that I use for testing purposes before I order calyx for a customer. I have a customer switching from Visible to Calyx, and have been letting them use my calyx sim as a test drive for a few days.
Both the Sierra EM7455 and EM12g have frequent disconnects on the service. I've tried magic on both modems, testing to see if its related to IMEI mismatch of the hotspot originally provided by calyx.
I've tried locking bands, and also tried a EM12G modem in place of the EM7455, and also switched the router from a WE826-T2 to a NEX6GO model. Disconnects keep happening.
I'm using The Wireless Haven Active PoE equipment, 36w injector.
When I arrive after they have told me its 'down', I don't see anything out of the ordinary in the debug window. Nothing reports limited service, however, the internet is not accessible. Modem and router appear fine. Just seems that the LTE data has been shut off. (Somewhat seems after the connection is idle for awhile, this happens)
Tower is 2 miles away from this residence. I've tested the tower up close, pushes Band 2,4,12 and 66 (2 and 12 seem to provide the fastest speeds, band 4 on this tower is extremely slow). I've tried locking out all the bands other than 2 or 12. Still seems to shut off the LTE data 2-3 hours after a reboot.
I didnt grab a snip of the GSTATUS settings, but SINR is 9-10, RSRP is less than 100 typically, ECIO is 7-8, RSSI is 65-75. Signal quality and speeds are great when tested across several devices, even my test MR1100.
Tested in both WE826 & Nex6GO inside an enclosure mounted on the roof, with CISCO-4G TNC antennas. Powered by POE.
EM7455
-Generic Firmware ~ 2019
-IMEI updates
- r.ispsn APN IPV6
EM12G
-Generic MDM profile
-IMEI Updates
-Autselect disabled
- r.ispsn APN IPV6
I have several Calyx customers using EM06 and EM12g modems, that can stay powered on for 2-3 months and never need a reboot. The hardware is essentially the same across these deployments, most is sourced from thewirelesshaven.com
Unfortunately, these people are 30 miles away, and driving there and back takes near a hour. Quick fixes aren't that quick.
1. With Calyx sprint plans, do you have to re-insert the SIM into the original hotspot periodically for OTA updates? - Either way, the sim works well in MR1100 and any of my other rigs. Other customers have been working for months without needing the original hotspot. So I'm not sold on this conclusion.
2. Something else I'm noticing, is I can commit several config changes to the EM7455 (selrat=06, band locking, etc,) and then when I return a day later, everything has been reverted to default (selrat=01, bands=01/all cell/lte bands, etc), is it possible for the tower to reset the settings on this modem? What can I do to prevent that? ( I originally thought this to be the issue of the disconnects, settings get reset, connects to band 4 - which allows you to connect, but no LTE data on that band)
3. On the EM12g, I can commit the changes, and save them with QPRTPARA=1, and they persist, but I still get disconnected randomly, same as with the EM7455. (About every 2-3 hours)
What else can I do to try and locate/understand this issue(apart from living at their house for a day?) Is there some verbose logging I can turn on and syslog somewhere?
Hate to let customers go, but driving an hour 3-4 days in a row after work sucks(I do this on the side, apart from my day job). Hoping someone can point me in the next steps for troubleshooting.
Thanks! and sorry for the long post!