Moxa MxNVR-MO4 [54/61] Frequently asked questions

Moxa MxNVR-MO4 [54/61] Frequently asked questions
A
A. Frequently Asked Questions
Q: What if I forget my password?
A: Every access to the video encoder needs authentication, unless the admin password is set to be blank. If
you are one of the managed users, you will need to ask the Administrator for the password. If you are the
Administrator, there is no way to recover the admin password. The only way to regain access to video
encoder is to use the RESET button on the front panel to restore the factory settings (see Chapter 1 for details).
Q: How much storage capability can the MxNVR-IA8 support?
A: There are two kinds of hard disks that can be used with the MxNVR-IA8
2.5” Hard Disk: this 2.5” HDD is mainly used with the MxNVR-IA8 standard operating temperature (0 to 60°C)
model. From the market information, the maximum storage capability of one 2.5” HDD is 1 TB now, which
means the maximum storage capability with two 2.5” HDD is 2 TB. But for the reliability requirement, we
recommend using Toshiba HDD MK5065GSX or the same series, which is tested by Moxa.
2.5” SSD (Solid State Disk): SSD is mainly used with the-IA8 wide operating temperature (-40 to 75°C) model.
From the market information, the maximum storage capability is 256 GB, which means the maximum storage
capability with two 2.5” SSD is 512 GB. For the operating temperature requirement, the 2.5” SSD should be
able to work under temperatures of -40 to 75°C. We recommend using Innodisk SATA 10000 or the same
series, which is tested by Moxa.
Q: Does these two HDDs support redundancy?
A: No. Currently, these two HDDs are used for storage space accumulation, not for redundancy
Q: What is the Modbus/TCP protocol for?
A: The MxNVR-IA8 supports the standard Modbus/TCP protocol in read/ write behavior. Using Modbus/TCP
protocol allows you to monitor the status of the MxNVR-IA8, or send the Modbus commands to start video
recording directly from SCADA/HMI systems, most of which use Modbus/TCP as the communication bus
Q: What is the pre-alarm video recording for?
A: Most NVRs support pre-alarm video recording function before the alarm is triggered. The MxNVR-IA8
supports maximum 30 seconds pre-alarm video recording. Once an alarm is triggered, the MxNVR-IA8 will
provide recorded videos of up to 30 seconds before the alarm occurs.

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