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Lost password on a PDU

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pieroxy_apc
Crewman
Crewman
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269

Lost password on a PDU

This was originally posted on APC forums on 6/20/2011


Hello there,

I just bought a couple of used PDUs off of eBay but they didn't give me the cable nor the CD-ROM. Is there a way to reset the password without either?

From the looks I had at the documentation, the setup software along with the reset button should be enough, but I can't find the software to download. I'll buy the serial cable if I need to.


Accepted Solutions
BillP
Administrator Administrator
Administrator
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269

Re: Lost password on a PDU

This reply was originally posted by Angela on APC forums on 6/21/2011


what model PDU is it? most PDU models are covered here but if you don't see it listed, let me know -> http://nam-en.apc.com/app/answers/detail/a_id/7879

See Answer In Context

9 Replies 9
pieroxy_apc
Crewman
Crewman
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269

Re: Lost password on a PDU

This was originally posted on APC forums on 6/21/2011


It is an AP7921. From the procedure you are pointing to, it looks like the serial cable is a must have...

Thanks.

Message was edited by: pieroxy

BillP
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269

Re: Lost password on a PDU

This reply was originally posted by Angela on APC forums on 6/21/2011


yes it is..940-0144A is what you need..we don't sell it unfortunately so you will need to contact tech support to see what they can work out for you assuming you tried the default username and password of apc/apc

pieroxy_apc
Crewman
Crewman
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269

Re: Lost password on a PDU

This was originally posted on APC forums on 6/22/2011


The problem I'm having is that I don't even see either units on my network. What I've done so far:

1. Plug the unit (power and network)
2. hit reset twice
3. And then.... I don't know which IP the unit has, "arp -a" doesn't show it anywhere on my network

So basically, I can't even try the default uname/password since I can't even connect to the unit !

BillP
Administrator Administrator
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269

Re: Lost password on a PDU

This reply was originally posted by Jonathan on APC forums on 6/22/2011


Using the Control Button of the PDU, if it is configured with an IP you can press and hold it for around 5 seconds and it will show the IP on the LCD. It is outlined on the User Manual which can be seen here. I think it was page 11 of 28 on the PDF manual.

pieroxy_apc
Crewman
Crewman
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269

Re: Lost password on a PDU

This was originally posted on APC forums on 6/23/2011


Thanks, that made it. And no, they did change the password. Off I go to buy the cable.

Thanks everyone.

BillP
Administrator Administrator
Administrator
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269

Re: Lost password on a PDU

This reply was originally posted by Jonathan on APC forums on 6/23/2011


You're welcome.

Please do not hesitate to contact us if there are still issues of logging in or resetting the password once you have the correct cable.

pieroxy_apc
Crewman
Crewman
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269

Re: Lost password on a PDU

This was originally posted on APC forums on 10/24/2011


Ok, here I am again.

I've got a cable labelled 940-0144A. I plug it on one end to my serial port, on the other end to my AP7921 (which is powered on). I launch HyperTerminal, set it to 2400/8/None/1/None, and press enter. Nothing happens. I can press enter 1000 times, nothing happens.

I tried to launch PortMon, which cannot connect to COM1 since it is in use. I then closed HyperTerminal and connected it to COM1. I start HyperTerminal again and the same happens. I see stuff in the PortMon app whenever I press enter.

I have only 1 COM port on my machine, so I guess this is not the problem. I unfortunately have only one machine with a serial port.

I am sure I am missing something obvious there but I can't put my finger on it.

BillP
Administrator Administrator
Administrator
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269

Re: Lost password on a PDU

This reply was originally posted by Jonathan on APC forums on 10/24/2011


Hi pieroxy,

You should be using 9600 for the baud rate instead of 2400. Gen1 and Gen2 PDUs uses 9600 baud rate. Below is the APC Knowledgebase that would give you an idea on how to reset a password on our NMC.

[Network Management Card Password Reset Procedure|http://nam-en.apc.com/app/answers/detail/a_id/7879/kw/password%20reset]

BillP
Administrator Administrator
Administrator
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270

Re: Lost password on a PDU

This reply was originally posted by Angela on APC forums on 6/21/2011


what model PDU is it? most PDU models are covered here but if you don't see it listed, let me know -> http://nam-en.apc.com/app/answers/detail/a_id/7879