MPDU User Manual
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6.2.4 MODBUS-RTU access
MODBUS-RTU access use two-wire RS-485 serial communication port for serial access, please refer to the MPDU
MODBUS RTU Protocol Instruction for the MODBUS access
Modus-RTU protocol configuration including Modbus -RTU communication address (1-99), baud rate(4800
,
9600
,
19200, 38400, 115200), data bit (8) , parity (no) , stop bit (1)
Note: The serial communication data is collected from the SER port of PDU. Please refer to the MPDU MODBUS
RTU Protocol Instruction for details.
7 Frequently Asked Questions (FAQs)
7.1 Q: Forget IP address?
A: check on the LCD screen, the first page displays the IP address.
7.2 Q: Failed to login?
A:
7.2.1 Connect the MPDU to the PC directly, change the network setting of the PC and make sure the MPDU
and PC are in the same network segment, the default IP address of the MPDU is 192.168.1.163, Subnet mask:
255.255.255.0, gateway: 192.168.1.1, so the PC network will be like following: IP address 192.168.1.2,
Subnet mask: 255.255.255.0, gateway: 192.168.1.1
7.2.2 Open a browser and enter the IP address and login to the Web interface with user name and password;
7.2.3 Click Network Setting from the web interface and change the IP address of the MPDU and make sure the
address is in the same network segment of the PC.
7.2.4 Recover your network setting of PC and use the new IP address of the MPDU to login.
7.3 Q: Fail to send email notification?
A:
7.2.1 Check the network connection and make sure the network is connected.
7.2.2 Check DNS configuration and confirm whether it is successful.
7.2.3 Check and confirm the SMTP sever is correct and the same as the sender mailbox sever. Please make
sure SMTP port is correct.
7.2.4 Make sure the recipients address is correct.
7.4 Q: How to restore to factory settings?