Device driver/special operation mode
Certain operating systems require a device driver or special mode of operation. The following table displays the product and vendor
identification information that is required for certain operating systems:
USB identification code type
Code
USB Vendor ID
0x210c
USB Product ID
0xa4a7
Microsoft Windows drivers
Dell EMC provides an ME4 Series USB driver for use in Windows environments.
Obtaining the USB driver
NOTE:
If you are using Windows 10 or Windows Server 2016, the operating system provides a native USB serial driver
that supports the mini-USB port. However, if you are using an older version of Windows, you should download and
install the USB driver.
1. Go to
and search for
ME4 Series USB driver
.
2. Download the
ME4 Series Storage Array USB Utility
file from the Dell EMC support site.
3. Follow the instructions on the download page to install the ME4 Series USB driver.
Known issues with the CLI port and mini-USB cable on Microsoft
Windows
When using the CLI port and cable for setting network port IP addresses, be aware of the following known issue on Windows:
Problem
The computer might encounter issues that prevent the terminal emulator software from reconnecting after the controller module restarts
or the USB cable is unplugged and reconnected.
Workaround
To restore a connection that stopped responding when the controller module was restarted:
1. If the connection to the mini-USB port stops responding , disconnect and quit the terminal emulator program.
a. Using Device Manager, locate the COM
n
port that is assigned to the mini-USB port
b. Right-click on the
Disk Array USB Port (COM
n
)
port, and select
Disable device
.
2. Right-click on the
Disk Array USB Port (COM
n
)
port, and select
Enable device
.
3. Start the terminal emulator software and connect to the COM port.
NOTE:
On Windows 10 or Windows Server 2016, the XON/XOFF setting in the terminal emulator software must be
disabled to use the COM port.
Linux drivers
Linux operating systems do not require the installation of an ME4 Series USB driver. However, certain parameters must be provided during
driver loading to enable recognition of the mini-USB port on an ME4 Series controller module.
•
Type the following command to load the Linux device driver with the parameters that are required to recognize the mini-USB port:
modprobe usbserial vendor=0x210c product=0xa4a7 use_acm=1
NOTE:
Optionally, this information can be incorporated into the
/etc/modules.conf
file.
Setting network port IP addresses using the CLI port and serial cable
91
