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There are several ways to configure the IP address of an MiiNePort Series module. One way is with DHCP Client.
When you set up the module to use DHCP Client for IP address configuration, it will automatically send a DHCP
request over the network to find the DHCP server. The DHCP server will then send an available IP address to
the module with an expiration time. The module will use this IP address until the expiration time has been
reached. When the expiration time has been reached, the process will repeat, and module will send another
DHCP request to the DHCP server. Therefore, a module may end up using more than one IP address while it is
connected to the network.
The module has a built-in IP address report function that will send its IP data to a specific IP address and port
number when it is not using a Static or fixed IP address. The IP address report parameters may be configured
in the Network Settings in the web console. Enter the IP address and the port number of the PC that is to
receive this information as shown below:
IP Address Report Structure
The first four bytes of the module's IP address report are the characters MOXA. The rest of the report is
composed of nine items, with each item preceded by a two-byte header indicating the item ID and item length.
Header
(Item ID)
(none)
1
2
3
4
5
6
7
8
9
C.
Header
Item
(Item Length)
(none)
"Moxa" (text string)
(varies)
server name (text string)
2
hardware ID (little endian, see table below)
6
MAC address (00-90-E8-01-02-03 would be sent in sequence as 0x00,
0x90, 0xE8, 0x01, 0x02, 0x03)
4
serial number (little endian DWORD)
4
IP address
4
Netmask
4
default gateway
4
firmware version (little endian DWORD, Version 4.3.1= 0x04030100)
4
AP ID (little endian DWORD, see table below)
Auto IP Report Protocol
C
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