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Elecrow GSM/GPRS/EDGE SIM5360E 3G Shield for Arduino
Post 303042894 by Neo on Thursday 9th of January 2020 10:37:09 PM
01-09-2020
Administrator
Update:
Elecrow customer service contacted me and confirmed this device is defective if it cannot read / recognize a local, unlocked, working 3/4G SIM card.
They also confirmed that all of their boards should ship with the required jumpers, and they kindly apologized that this one did not come with the required jumpers (not a "big deal" but of course, their quality control team should insure this does not happen).
Elecrow also kindly refunded the cost of this device and mentioned to me they would let me know when an updated version is ready and offered to send the updated version to me when available, so I can retest.
When I get the time, I will send this device back to Elecrow so they can run their own tests on it; or I will try to find time to work with Elecrow engineers to debug this device (from here) when I get back to this project in a few weeks.
For now, I'm moving on to other "mail bag" project ....
Elecrow customer service contacted me and confirmed this device is defective if it cannot read / recognize a local, unlocked, working 3/4G SIM card.
They also confirmed that all of their boards should ship with the required jumpers, and they kindly apologized that this one did not come with the required jumpers (not a "big deal" but of course, their quality control team should insure this does not happen).
Elecrow also kindly refunded the cost of this device and mentioned to me they would let me know when an updated version is ready and offered to send the updated version to me when available, so I can retest.
When I get the time, I will send this device back to Elecrow so they can run their own tests on it; or I will try to find time to work with Elecrow engineers to debug this device (from here) when I get back to this project in a few weeks.
For now, I'm moving on to other "mail bag" project ....
This User Gave Thanks to Neo For This Post:
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LEARN ABOUT HPUX
st
st(1M) st(1M) NAME
st - shared tape administration SYNOPSIS
device_file DESCRIPTION
The command provides users with a command-line interface to check the status of a shared tape device or to reclaim a shared tape device from a host system that has failed while holding a reservation on the shared tape device. The command can also be used for the same pur- pose on shared library robotic devices. To use the command you must have root user id. Please see examples below for usage. Options recognizes the following options and arguments: Specifies the tape device file or sctl/esctl pass-through device file for the shared tape/library device. This parameter is mandatory and will report an error if device_file is omitted. Allows the user to reclaim a shared tape device or shared library robotic device in the case where a host failed while holding a reservation on the shared device. This option causes a bus device reset to be issued to the device specified by the option. Prints out the current status of the shared tape/library device specified by the option. RETURN VALUE
returns 0 upon successful completion and 1 otherwise. EXAMPLES
The following shows three examples of output from the above command. The above output indicates that the shared device is reserved by another host and is therefore unavailable at this time. The above output indicates that the shared device is not ready for use at this time. The above output indicates that the shared device is ready for use at this time. To reclaim a shared tape/library device from a failed host, the following command can be used: WARNINGS
The option must be used with care. When reclaiming devices, it must be ensured that the host from which the device is being reclaimed has in fact failed, as data may be lost as the result of reclaiming a device that is currently in use by another host. AUTHOR
was developed by Hewlett-Packard. SEE ALSO
mt(1), scsi(7), scsi_ctl(7). st(1M)