Lantronix Device Server UDS 10 - Manual (Page 87)

UDP
UDS-10 User Guide 8-1
8. Network Configuration using UDP
8.1 UDP Datagrams
The Device Server can also be configured or queried over the network using UDP datagrams.
The Device Server has a UDP listener set for port 30718 (77FE Hex). Responses from the
Device Server are returned to the source port of the UDP packet.
The first three bytes of the UDP data block should be set to zero. The fourth byte selects the
function as described in the following table:
Table 19 - UDP Configuration
Byte Command Parameters Notes
03 Node Reset 2 bytes, software
type These 2 bytes are used to prevent
accidental reset of the Device Server.
(Value for standard CoBox firmware: 33 51
[Hex], 3Q)
F6 Query for
Firmware
Version
None The Device Server responds with the F7
block below.
F7 Firmware
Information
First 16 bytes of the
firmware image,
and 4 bytes device
information and
serial number. The first 16 bytes of the firmware image
contain the software type (offset 4,5) and
checksum (offset 14,15). The last two bytes
of the device information contain the serial
number.
F8 Query for
Setup Record
None The Device Server responds with the F9
block below.
F9 Configuration
Readback
120 byte setup
record (see Setup
Records on page E-
7) n/a
FA Set
Configuration
120 byte setup
record (see Setup
Records on page E-
7) The IP address (byte 0-3) will not be
overridden using FA. See FD for this
functionality.
FB Configuration
Change
Acknowledge
None This block is sent back to the host
requesting a configuration change (FB).
After sending out this block, the Device
Server resets and uses the new
configuration sent with the FA command.
FC Set IP Address First 8 bytes must This block can be sent as a broadcast,