Hi, Charles!
> >> However, it seemed that the APC UPS is not recognized by usbhid-ups as long >> as the Cyper-power UPS is also plugged to the same system. Is that behavior >> correct? > >usbhid-ups will try to connect to the first PDC HID UPS that it finds, but if >the CyberPower UPS prevents either UPS from being recognized, then no, that's >not expected. Situation 1: Step 1: APC UPS plugged Step 2: Cyber-power UPS pluged Step 3: upsdrvctl start, Cyper-power UPS recognized Situation2: Step 1: APC UPS plugged Step 2: upsdrvctl start, APC UPS recognized Step 3: upsdrvctl stop Step 4: Cyber-power UPS pluged Step 5: upsdrvctl start, Cyper-power UPS recognized Situation3: Step 1: Cyber-power UPS plugged Step 2: upsdrvctl start, Cyber-power UPS recognized Step 3: upsdrvctl stop Step 4: APC UPS pluged Step 5: upsdrvctl start, Cyper-power UPS recognized I check /proc/bus/usb/device, the cyper-ups is always ahead of the UPS one if thay are all plugged. That comes another question: If two UPS device with different driver plugged, and the two drivers are both configured, are they both recognized? > >You can used the vendorid or productid parameters (see 'man usbhid-ups' or >docs/man/usbhid-ups.txt) to point usbhid-ups to one or the other. > I have only read of information of upsd pointed from User Manual. I will read and learn more about that. > -- Andrew Chang 2012-03-11
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