Issue 3, December 2022
Model 5422A User Guide
Page 54
Studio Technologies, Inc.
Model 5422A
DANTE INTERCOM AUDIO ENGINE
Management IP Address and
Configuration
It’s easy to determine the active IP address being used
by the Model 5422A’s management Ethernet port. The
most direct method is to simply watch the front-panel
screens that are active in the “screen saver” mode.
This mode will enable automatically two minutes after
the last press of any of the front-panel buttons. The
front-panel menu system also allows the management
IP address to be shown and, if required, revised. A
menu structure diagram is available in Appendix C. It’s
also available as a separate document on the Studio
Technologies website.
By default, the Model 5422A’s management Ethernet
interface address configuration is set for automatic. In
this way, it will attempt to automatically obtain an IP ad-
dress and associated settings using DHCP. If a DHCP
server is not detected an IP address will automatically
be assigned using the link-local protocol in the IPv4
range of 169.254.0.1 to 169.254.255.254. There are
two ways that the management Ethernet IP address
and related network parameters can be set to a manual
(fixed or static) configuration. The first method uses the
front-panel display and buttons to allow the manage-
ment Ethernet network parameters to be viewed and
revised as desired. An even easier method might be to
use the network configuration webpage that is provided
as part of the Model 5422A’s management webpages.
Model 5422A Firmware Update
Procedure
It’s possible that updated versions of the two firmware
(embedded software) files that are utilized by the
Model 5422A’s microcontroller (MCU) and field-pro
-
grammable-gate-array (FPGA) integrated circuits will
be released to add features or correct issues. Refer
to the Studio Technologies’ website for the latest
firmware files. They are called the Main and FPGA
firmware files. The Model 5422A has the ability to load
applicable firmware files into non-volatile memory by
way of a standard USB flash drive. The Model 5422A
implements a USB host function and provides access
by way of a type A receptacle located on the unit’s back
panel. The Model 5422A updates its firmware using two
files. The Main firmware is named
M5422A.bin
and the
FPGA firmware is named
DIAE.bit
.
The update process begins by preparing a USB flash
drive. The flash drive doesn’t have to be empty (blank)
but must be in the personal-computer-standard FAT32
format. Either or both of the firmware files can be
automatically loaded at essentially the same time.
On the flash drive’s root folder, save the desired new
firmware files, ensuring that the required names are
specified. The file name for the Main firmware must
be
M5422A.bin
. The file name for the FPGA firmware
must be
DIAE.bit
. Be certain to use the eject command
to ensure that each file is correctly stored on the USB
flash drive.
Studio Technologies will supply each firmware file
inside a .zip archive file. While the firmware file inside
of the zip file will adhere to the naming convention
required by the Model 5422A, the name of the zip file
itself will include the file’s version number. For example,
a zip file named
M5422Av3r00MCU.zip
would indicate
that version 3.00 of the Main firmware (
M5422A.bin
)
is contained within this zip file.
Once the prepared USB flash drive is inserted into the
USB jack, located on the Model 5422A’s back panel,
the Model 5422A must be powered off and then pow
-
ered on again. At this point the file(s) stored on the USB
flash drive will automatically load. The precise steps
required will be highlighted in the following paragraphs.
To install either or both of the firmware files follow
these steps:
1. Remove power from the Model 5422A. This will
entail removing the AC mains power connector or
removing the connector associated with the external
source of nominal 12 volts DC. (Both must be dis-
connected if dual powering has been implemented.)
2. Locate the USB jack on the Model 5422A’s back
panel. It is labeled Firmware Update. Directly adja-
cent to the USB jack is a small hole that provides
visual access to a green LED indicator.
3. Insert the prepared USB flash drive into the USB
jack.
4. Apply power to the Model 5422A. Power can be
provided by connecting AC mains or a source of
nominal 12 volts DC.
