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If the serial interface is working correctly, you'll see lots of chat from the NVR when it's powered on without having to issue any commands.

That's not a configuration file. How did you create it?

Did the item description mention that it was wired as a null modem connector? (link?) edit Though I see above that you said it didn't.

The standard also includes the connectors, so if one of the USB converters cable end fits the NVR, well and good. But generally the null modern cable would be needed to match up the gender and the signals.

In the RS-232 serial comms standard there are 2 types of equipment - DTE (Data Terminal Equipment, eg a PC) and DCE (Data Communications Equipment, eg a modem). These are wired such that TX (Transmit Data) on the DTE connects to RX (Receive Data) on the DCE and vice versa. There are also various...

The web browser on your PC or laptop, using the camera IP address in the browser address bar.

Well done! A good result, and thanks for sharing.

A good result, well done for getting there and figuring a few things out!

I'm guessing a bit - re-installing the firmware doesn't always also reset the device to default settings. And I don't see a erasecfg command in your help list above. Set the PC IP address to match what's shown for serverip above, start a normal tftp server and have the digicap.dav firmware file...

Hikvision have obscured the bootloader commands. Try : setenv ';printenv' setenv ';help'

I'm pretty sure all that battery does is maintain the system clock when power is off. None that I'm aware of for that model. This will provide access to the serial console. You'll need a USB to RS-232 (not serial TTL) convertor, and a null modem cable, widely available on eBay. You'll be...

These are not config files, they are just password reset request files, no passwords contained in them.

Suggestion - with the caveat that I've not seen the web GUI of the -NXI series of NVRs, so you may have to search for the right part of the menu : Assumptions - you've set the new NVR admin password to be the same as the old one, and you know the admin password for the cameras, will be either...

A likely possibility is the firmware is not valid for that model variant. For many models, admittedly generally more recent than 2018 manufacture, there have been multiple firmware versions for the same specific model due to small hardware variations as supply chain issues have required the use...

Swap it my way - I'd be happy to explore this product.

Can the iPhone send and receive email using the same service?

Well done, that's a good result. 3.4.96 isn't that old, there was little change after that version.

Don't worry about file permissions - that routes not useful now, no need to upload files. But the tftp updater is working ok, so you'll be able to load the files in your conversations.

Well done, that's clear. Unfortunately, it shows that the bootpara data has been encoded, it's no longer in plaintext, so that fix route isn't easily available. The next route could be to apply 'hacked to English' firmware. This can be applied via the tftp updater method, using the 'upgrade...

You've only shown the end part of the serial console transcript - missing the important part from 8041e000 that will show if the bootpara block is encoded or is still plaintext. In PuTTY, see the 'copy rollback to clipboard' option in the top left menu of the window - then you can paste the...

The way to do that is shown in the transcript in post #1 Click the 'Spoiler' to expand, it's a bit long so would otherwise clutter up the post.

Changing the language header doesn't change the language coded in the NVR - it just stops the NVR rejecting the attempt to load other-language firmware.

There are at least a couple of ways to get the CN E-series NVR back working after applying EN firmware. If the last firmware was old enough that the 'as-built 'bootpara' data is still in plaintext, then it can be edited to permanently change the language to EN On newer firmware (I don't recall...

Dumb question, for which apologies (not seen any ONVIF problems connecting up G2 cameras) in the camera web GUI : Was 'Open Network Video Interface' enabled under Integration protocol? And was a dedicated ONVIF user added as a user under Integration protocol?

You'll need to be a lot more specific - that's such an open-ended question with no detail that it's impossible to give a helpful response.

Do you believe the NVR has an auto-update feature enabled? That would be unusual, in my experience. Dumb question - have you tried restarting the NVR?

Check the camera web GUI for the codec settings for the substream, and whether the substream is still enabled. And check that you can see a live view for the substream in the camera web GUI.

Haha! That's brilliant! Where do you get this stuff?

It would actually be easier than that with a Hikvision NVR and cameras. Hikvision's SADP tool doesn't need to have the PC IP address set to be in the likely 192.168.254.x address range to find the cameras. It operates via a broadcast method. And, given knowledge of the camera admin password...

That transcript looks normal - almost identical to one I just compared with for a 9632. I'd have expected the device to restart OK. It's a puzzle. Yes, from what I've seen. From the DS-9632NI-I8 Press ENTER key to reboot resetting ... U-Boot 2010.06-svn (Aug 14 2015 - 14:50:25) Hit ctrl+u to...