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BACK-UPS ES 550 with USB connected to a NAS

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

Solved
ppac_apc
Ensign
Ensign
0 Likes
3
39

BACK-UPS ES 550 with USB connected to a NAS

This was originally posted on APC forums on 6/18/2012


Hi,

I recently purchased the BACK-UPS ES 550VA / 300W model.
I connected the USB cable to my NAS and it works, the UPS is recognized by my NAS, plug-and-play.

My laptop is connected to the master power outlet. The UPS power saving mode is ON. The expected behavior is that when the laptop is shut down, the controlled power outlets will cleanly disconnect (eg. send a signal to the NAS that it should also shut down).

However when I shut down the laptop, nothing happens, everything keeps getting power.

I did not install the Power Chute software on the laptop. Do I need to?

Do I need to have the USB cable permanently connected to the laptop to make this work? (which of course I cannot do because the USB cable links to the NAS, not the laptop).


Accepted Solutions
BillP
Administrator Administrator
Administrator
0 Likes
0
39

Re: BACK-UPS ES 550 with USB connected to a NAS

This reply was originally posted by Dakota on APC forums on 6/18/2012


Your ac adapter is still drawing power, look in the manual on how to calibrate the green function

See Answer In Context

3 Replies 3
BillP
Administrator Administrator
Administrator
0 Likes
0
39

Re: BACK-UPS ES 550 with USB connected to a NAS

This reply was originally posted by Bill on APC forums on 7/14/2014


Hi,

You wrote, "My laptop is connected to the master power outlet. The UPS power saving mode is ON. The expected behavior is that when the laptop is shut down, the controlled power outlets will cleanly disconnect (eg. send a signal to the NAS that it should also shut down)." This is not correct. When the master outlet draw falls below the set threshold power will be cut to the controlled outlets. The UPS will not send a signal to the NAS informing it the power will be cut so the NAS will crash. If you want the NAS protected properly you should pug it into 1 of the Battery / Surge outlets. That way when AC power is lost the battery will protect the NAS from crashing and send it a signal telling it to shutdown.

If you want the Desktop system protected by PowerChute you need to disconnect the USB cable from the NAS and connect the cable to the computer. With the Back-UPS you can only have 1 device communicating via the data port at a time. You need to decide which device you want shutdown gracefully and attach that device the the data port. NOTE: PowerChute Personal Edition can run a script that you could write that would tell the NAS to power down before the OS goes down this way both system get shutdown gracefully. See this forum thread for instructions.  Powerchute Personal Edition - Run external commands with this utility

Or you can install APCUPSD instead of PowerChute and have that run the NAS shutdown script.

Hope this helps,

ppac_apc
Ensign
Ensign
0 Likes
0
39

BACK-UPS ES 550 with USB connected to a NAS

This was originally posted on APC forums on 6/18/2012


Hi,

I recently purchased the BACK-UPS ES 550VA / 300W model.
I connected the USB cable to my NAS and it works, the UPS is recognized by my NAS, plug-and-play.

My laptop is connected to the master power outlet. The UPS power saving mode is ON. The expected behavior is that when the laptop is shut down, the controlled power outlets will cleanly disconnect (eg. send a signal to the NAS that it should also shut down).

However when I shut down the laptop, nothing happens, everything keeps getting power.

I did not install the Power Chute software on the laptop. Do I need to?

Do I need to have the USB cable permanently connected to the laptop to make this work? (which of course I cannot do because the USB cable links to the NAS, not the laptop).

BillP
Administrator Administrator
Administrator
0 Likes
0
40

Re: BACK-UPS ES 550 with USB connected to a NAS

This reply was originally posted by Dakota on APC forums on 6/18/2012


Your ac adapter is still drawing power, look in the manual on how to calibrate the green function