C1250 AP required using POE power

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  I went to record a live concert, and I need to use a single interface to record the members of the group with microphones near directly to a computer and another interface running for my model of Macbook 4.1 end of 2007, to get signals from the map of the House.

  When I plug my converter USB 3.0 AD / DA in my Macbook 4,1 - the computer sends immediately a window indicating to me to "reboot" the computer using the power button / stop. Ideas or comments about why this happens?

  I read on this forum that USB ports should work with retroactive effect, or accept USB 3.0 devices, but just use a speed 2.0?

  Thank you.

  It could be that it is a requirement of your converter AD / DA she needs to be present at a properly accessible to the OS X when startup sequence it is plugged into a USB2 port.

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  But to be sure...

  Which converter AD / DA are you using?

• SG300 - 28 p: POE power drops every few minutes

  Hi all

  We have a SG300 - 28 p which, at intervals between 5 and 30 minutes or more, lower power to all its ports POE-powered and then immediately restores power. Switch logs nothing when this happens other than to record that the ports went down and back up, even with debug logging enabled. Non - POE ports are not affected.

  When the problem started there were only four POE devices on the switch and we are far under our power budget. (During the test, I added a fifth device, see below.)

  Not all combinations of devices cause the drops occur - specifically, it seems that having devices on ports next to each other causing the drops. When the drops occur, absent the increment of POE devices all counters. I noticed this thread earlier here seemed similar:

  https://supportforums.Cisco.com/thread/2165089

  but in this case, he got no power at all in the adjacent configurations, instead of having to drop all the several minutes.

  I am running

  SW06 #sh worm

  SW version 1.1.2.0 (November 12, 2011 time 23:34:26)

  Start the 1.1.0.6 version (date may 11, 2011 time 18:31)

  HW version V02

  I have the 1.2.2.7.6 ready to go new firmware, I will update this when I get a chance to test it. Unfortunately, it's a switch of production, but it's a with relatively few devices to it so far. If need be, I have a sf300 - 48P I can exchange this sg300 ENJOI trials.

  Thank you for anything you might suggest.

  Here are the details:

  -' Phone' is a phone to IP Avaya 4610SW or 5610SW (class 2)

  -"Watchdog" is an environmental monitor IT Watchdogs Watchdog 100 (class 0)

  -"WAP" is a Cisco WAP4410N (class 3)

  All initially due to lack of combination:

  GI10 phone #1

  gi22 phone #2

  dog guard gi23

  WAP gi24

  would result in the POE power to place on all ports, every 5 to 30 minutes.

  I disabled Green Ethernet completely - no change.

  And then made the following tests:

  1. "power never inline" on gi23 and gi24: problem disappeared

  2. 'inline power auto"on gi23 and gi24: problem is back

  3 ' power inline never' on gi23 only: problem disappeared

  4 ' auto of inline power' on gi23: problem is back

  5 ' power inline never' on gi24 only: problem disappeared

  6. "power inline auto" on gi24: problem is back.

  I left gi23 powered throughout the night and it was stable: it's about 10 hours without any problem.

  This morning, tried the following configs:

  08:54 - worked fine

  IG4 watchdog

  GI10 phone #1

  gi22 phone #2

  WAP gi24

  10:31 - added another phone, the problem came back

  IG4 watchdog

  GI10 phone #1

  gi22 phone #2

  gi23 phone #3

  WAP gi24

  10:43 - inappropriate phone #3 to IG11 (next) - problem continues

  IG4 watchdog

  GI10 phone #1

  IG11 phone #3

  gi22 phone #2

  WAP gi24

  11:00 - moved phone #3 to gi8 - suite problem

  IG4 watchdog

  gi8 phone #3

  GI10 phone #1

  gi22 phone #2

  WAP gi24

  11:31 - moved phone #3 article IG 14 - the problem disappeared

  IG4 watchdog

  GI10 phone #1

  Article IG 14 phone #3

  gi22 phone #2

  WAP gi24

  and that's where we left things now are stable for about four hours.

  The following products are the config more later (11:31).

  SW06 #show power inline

  Power-limit based port mode

  Nominal consumed power unit power use threshold traps

  ---- ------- ------------- ------------------ --------------- ---------

  1 of 180 Watts 18 Watts (10%)         Disable 95

  Port power status device status priority class

  -------- -------------------- ---------------- ------------ -------- ---------

  Article IG1 Auto search low class0

  IG2 Auto search low class0

  IG3 Auto search low class0

  IG4 Auto on low class0

  IG5 Auto search low class0

  GI6 Auto search low class0

  gi7 Auto search low class0

  gi8 Auto search low class0

  gi9 Auto search low class0

  GI10 Auto on low 2

  IG11 Auto search low class0

  gi12 Auto search low class0

  ig13 Auto search low class0

  IG 14 Auto article on low 2

  gi15 Auto search low class0

  gi16 research Auto low class0

  IG17 Auto search low class0

  gi18 Auto search low class0

  IG19 Auto search low class0

  IG20 Auto search low class0

  IG21 Auto search low class0

  gi22 Auto on low 2

  gi23 research Auto low class0

  gi24 - Auto on low class3

  -watchdog:

  SW06 #show power inline IG4

  Port power status device status priority class

  -------- -------------------- ---------------- ------------ -------- ---------

  IG4 Auto on low class0

  Limit of power (for the mode of power-limit of port): 15.400W

  State of the port: Port is on - valid resistance detected

  Overload counter: 0

  Brief of counter: 0

  Denied Counter: 0

  Absent of meter: 4

  Invalid Signature counter: 0

  SW06 #show interfaces announce IG4

  Port: IG4

  Type: 1 G-copper

  Link state:

  Autonegotiation: enabled

  1000F 1000 h 100f 100 h 10 h 10f

  -----  -----  ----  ----  ---  ---

  Link admin Local advertising Yes No Yes Yes Yes Yes

  Local liaison Oper announced Yes No Yes Yes Yes Yes

  Oper Remote link Announces no no Yes Yes Yes Yes

  Resolution of priority - Yes-

  -Phone:

  #show power inline gi10 SW06

  Port power status device status priority class

  -------- -------------------- ---------------- ------------ -------- ---------

  GI10 Auto on low 2

  Limit of power (for the mode of power-limit of port): 15.400W

  State of the port: Port is on - valid resistance detected

  Overload counter: 0

  Brief of counter: 0

  Denied Counter: 0

  Missing Counter: 465

  Invalid Signature counter: 0

  #show int adv gi10 SW06

  Port: gi10

  Type: 1 G-copper

  Link state:

  Autonegotiation: enabled

  1000F 1000 h 100f 100 h 10 h 10f

  -----  -----  ----  ----  ---  ---

  Link admin Local advertising Yes No Yes Yes Yes Yes

  Local liaison Oper announced Yes No Yes Yes Yes Yes

  Oper Remote link Announces no no Yes Yes Yes Yes

  Resolution of priority - Yes-

  -Phone:

  SW06 #show power inline article IG 14

  Port power status device status priority class

  -------- -------------------- ---------------- ------------ -------- ---------

  IG 14 Auto article on low 2

  Limit of power (for the mode of power-limit of port): 15.400W

  State of the port: Port is on - valid resistance detected

  Overload counter: 0

  Brief of counter: 0

  Denied Counter: 0

  Absent against: 0

  Invalid Signature counter: 0

  SW06 #show int adv article IG 14

  Port: article IG 14

  Type: 1 G-copper

  Link state:

  Autonegotiation: enabled

  1000F 1000 h 100f 100 h 10 h 10f

  -----  -----  ----  ----  ---  ---

  Link admin Local advertising Yes No Yes Yes Yes Yes

  Local liaison Oper announced Yes No Yes Yes Yes Yes

  Oper Remote link Announces no no Yes Yes Yes Yes

  Resolution of priority - Yes-

  SW06 #.

  -Phone:

  #show power inline gi22 SW06

  Port power status device status priority class

  -------- -------------------- ---------------- ------------ -------- ---------

  gi22 Auto on low 2

  Limit of power (for the mode of power-limit of port): 15.400W

  State of the port: Port is on - valid resistance detected

  Overload counter: 0

  Brief of counter: 0

  Denied Counter: 0

  Missing Counter: 591

  Invalid Signature counter: 166

  #show int adv gi22 SW06

  Port: gi22

  Type: 1 G-copper

  Link state:

  Autonegotiation: enabled

  1000F 1000 h 100f 100 h 10 h 10f

  -----  -----  ----  ----  ---  ---

  Link admin Local advertising Yes No Yes Yes Yes Yes

  Local liaison Oper announced Yes No Yes Yes Yes Yes

  Oper Remote link Announces no no Yes Yes Yes Yes

  Resolution of priority - Yes-

  --also was the watchdog, now empty:

  SW06 #show power inline gi23

  Port power status device status priority class

  -------- -------------------- ---------------- ------------ -------- ---------

  gi23 research Auto low class0

  Limit of power (for the mode of power-limit of port): 15.400W

  State of the port: Port is disabled - detection is in progress

  Overload counter: 0

  Brief of counter: 0

  Denied Counter: 0

  Missing Counter: 587

  Invalid Signature counter: 0

  -wap:

  SW06 #show power inline gi24

  Port power status device status priority class

  -------- -------------------- ---------------- ------------ -------- ---------

  gi24 - Auto on low class3

  Limit of power (for the mode of power-limit of port): 15.400W

  State of the port: Port is on - valid resistance detected

  Overload counter: 0

  Brief of counter: 0

  Denied Counter: 0

  Missing Counter: 607

  Invalid Signature counter: 3

  SW06 #show int adv gi24

  Port: gi24

  Type: 1 G-copper

  Link state:

  Autonegotiation: enabled

  1000F 1000 h 100f 100 h 10 h 10f

  -----  -----  ----  ----  ---  ---

  Link admin Local advertising Yes No Yes Yes Yes Yes

  Local liaison Oper announced Yes No Yes Yes Yes Yes

  Oper Remote link Announces no no yes no no no

  Resolution of priority - Yes-

  Other useful bits:

  SW06 active spanning tree #show

  Spanning tree disabled mode (floods BPDU) RSTP

  By default port cost method: long

  SW06 #sh worm

  SW version 1.1.2.0 (November 12, 2011 time 23:34:26)

  Start the 1.1.0.6 version (date may 11, 2011 time 18:31)

  HW version V02

  Hi Rich, reference this photo I just drew is a rough interpretation of how a switch 24 ports has guts. Each + block represents a processor. The numbers below represent the port Bank that corresponds to the transformer. Of course, MODULE POE is clearly identified. Each module 12 POE ports for services.

  I think you have a completely different question. If the POE works for 5 to 30 minutes, it can be a problem of layer 1 (bad son) or a different, perhaps material condition being disturbed. If the switch is at fault, it seems more likely to be defective to a unit of buggy.  I did a lot of research on the operation of the switch ASIC, transformer and modules of POE in the cohesion.

  Quite frankly, I think you should go to the 1.2.7.76 firmware, factory reset the device and test all the ports you want using the same equipment. If maintaining the POE fall every 5 to 30 minutes and you are absolutely positive, that it is not a question of layer 1 or a configuration problem on your products, can I just replace the switch.

  

  -Tom
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