Ippon Back Power Pro LCD connection flickers

[Lev Serebryakov]

 I've bought new UPS for my router, and I'm not sure, is it UPS problem
or FreeBSD preoblem, but it connects and disconnects every several
seconds, like this:

May 22 14:26:28 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
May 22 14:26:43 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
(disconnected)
May 22 14:26:48 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
May 22 14:27:03 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
(disconnected)
May 22 14:27:08 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
May 22 14:27:23 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
(disconnected)
May 22 14:27:28 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
May 22 14:27:43 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1
(disconnected)
May 22 14:27:48 gateway kernel: ugen1.2: <PPC Offline UPS> at usbus1

 It works (with sysutils/nut) when it is connected, but flickers!

 Is here any way to be sure, that this is UPS problem and not FreeBSD one?

 I'm running

FreeBSD gateway.home.serebryakov.spb.ru 12.0-CURRENT FreeBSD
12.0-CURRENT #0 r318590M: Sun May 21 15:26:16 MSK 2017

 But 11.0-CURRENT (year old, before release) showed same behavior.

-- 
// Lev Serebryakov

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