Network Configuration Using Udp; Udp Datagrams; Table 19 - Udp Configuration - Lantronix Device Server UDS 10 User Manual

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
03 Node Reset
F6 Query for
Firmware
Version
F7 Firmware
Information
F8 Query for
Setup Record
F9 Configuration
Readback
FA Set
Configuration
FB Configuration
Change
Acknowledge
FC Set IP Address
UDS-10 User Guide
Parameters
2 bytes, software
type
None
First 16 bytes of the
firmware image,
and 4 bytes device
information and
serial number.
None
120 byte setup
record (see Setup
Records on page E-
7)
120 byte setup
record (see Setup
Records on page E-
7)
None
First 8 bytes must
Notes
These 2 bytes are used to prevent
accidental reset of the Device Server.
(Value for standard CoBox firmware: 33 51
[Hex], 3Q)
The Device Server responds with the F7
block below.
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.
The Device Server responds with the F9
block below.
n/a
The IP address (byte 0-3) will not be
overridden using FA. See FD for this
functionality.
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.
This block can be sent as a broadcast,
UDP
8-1