SG300-28P - POE not correctly supported on all ports - possible firmware or hardware issue

So, I spent some time this weekend troubleshooting the issues I've had  with the new SG300-28P switch and POE to many of my devices in the  office.  As a recap, I cannot utilize all of the 24 POE ports on the switch  for POE purposes.  Really only every other port [with a few odd  combinations thrown in between]. In addition, the SG300-28P switch, on occasion, is sending POE to non-POE devices [e.g. my Ruckus Zone Director 1106].
Here are my POE devices [all 802.3 af-compliant]:
3 Ruckus 7982 access points
1 Pakedge access point
2 home-automation controllers
2 Polycom voip phones
I called Cisco support several times in regards to this problem, and they figured it was a hardware issue - a faulty switch.  So, Cisco sent me a replacement SG300-28P, which I  hooked up today.  The exact problem still occurs.  Default configuration  [fresh out of the box].  No way I can land, for example, the 3 Ruckus  7982 AP's on ports 1, 2, and 3 [or ports 1,13, and 2].  I have to put  them on ports 1, 3, and 5 in order for them to power up.  In addition, I  can't plug any other POE devices on the ports either between or below  them.   I had to skip another port bay.  This is very odd behavior!!   Two Cisco SG300-28P's in a row with the same problem.
However, I also had one of the new Cisco SG300-10P switches in my  possession for a recent project of ours.  I decided to hook up the same  POE devices to this switch.  ALL POE devices were recognized and  worked!  No need to skip a port.  And it didn't matter what device was  plugged in first or not.  I am now convinced that it is either a  hardware issue [bad power supply/transformer?] inside all of the  SG300-28P switches, or a firmware issue. 
Both of the SG300-28P switches were running firmware 1.1.2 [the  latest on Cisco's website].  So, I decided to install an older firmware  version on the SG300-28P switch that I'm returning [installed 1.1.1.8].   Here's what I found out.  I could then plug 2 POE devices [e.g. two  Ruckus AP's] in adjacent horizontal ports, but not three in a row.  In  addition, not all adjacent ports.  It's funky. For example, I could plug  an access point in ports 20 and 21, but not in 21 and 22.  No rhyme or  reason in how it worked.  And I still couldn't plug an access point in  adjacent vertical ports [e.g. ports 1 and 13].  BUT...
It's interesting that the same exact switch that would not initially  allow 2 horizontally-adjacent POE ports to be utilized WOULD allow 2  horizontally-adjacent POE ports to be utilized when running a different  firmware version.   It's also interesting to note that when plugged into  a "non-working" POE  port, the SG300-28P would actually make a small whining noise.  Very  subtle noise; I could hear it when approx. 1ft away from the switch.   The noise was not noticeable when ports were skipped [and POE actually  worked].  Therefore, I believe that Cisco has some SG300-28P firmware  bugs [at least in the last two versions of firmware] that is not truly  allowing all 24 ports to utilize POE correctly.  This problem does not  exist with the SG300-10P switch.
I'm really interested to hear what Cisco's reply and findings on this  matter would be.  And would welcome a reply from one of their senior  support team members/managers who could actually experiment with this,  too.   In addition, I'd like to know when they think a solution could be  created if it's firmware-related.  If hardware-related, I don't think  I'll be recommending any 28P switches in our projects.  Perhaps just the  regular SG300-28 with a separate SG300-10P.  It's a shame because the  SG300-28P is more of a bargain when compared to the two separate  components.

show power inline
Port based power-limit mode
Unit  Power  Nominal Power   Consumed Power   Usage Threshold   Traps  
1     On      180 Watts     13 Watts (7%)          95         Disable 
  Port      Powered Device         State          Status    Priority   Class  
  gi1                               Auto            On      critical  class0  
  gi2                              Never           Off        low     class0  
  gi3                               Auto        Searching   critical  class0  
  gi4                              Never           Off        low     class0  
  gi5                               Auto            On      critical  class0  
  gi6                              Never           Off        low     class0  
  gi7                               Auto            On      critical  class2  
  gi8                               Auto        Searching     low     class0  
  gi9                               Auto        Searching     low     class0  
  gi10                              Auto        Searching     low     class0  
  gi11                              Auto        Searching     low     class0  
  gi12                             Never           Off        low     class0  
  gi13                             Never           Off        low     class0  
  gi14                             Never           Off        low     class0  
  gi15                             Never           Off        low     class0  
  gi16                             Never           Off        low     class0  
  gi17                             Never           Off        low     class0  
  gi18                             Never           Off        low     class0  
  gi19                             Never           Off        low     class0  
  gi20                              Auto        Searching     low     class0  
  gi21                             Never           Off        low     class0  
  gi22                              Auto        Searching     low     class0  
[0mMore: ,  Quit: q or CTRL+Z, One line:                                                          gi23                              Auto        Searching     low     class0  
  gi24                              Auto        Searching     low     class0  
show power inline gigabitethernet xx (for each device plugged in)
  Port      Powered Device         State          Status    Priority   Class  
  gi1                               Auto            On      critical  class0  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is on - valid resistor detected
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            3
Invalid Signature Counter: 17583
  Port      Powered Device         State          Status    Priority   Class  
  gi2                              Never           Off        low     class0  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
  Port      Powered Device         State          Status    Priority   Class  
  gi3                               Auto        Searching   critical  class0  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - detection is in process
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            2
Invalid Signature Counter: 1
Port      Powered Device         State          Status    Priority   Class  
  gi4                              Never           Off        low     class0  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
Port      Powered Device         State          Status    Priority   Class  
  gi5                               Auto            On      critical  class0  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is on - valid resistor detected
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
  Port      Powered Device         State          Status    Priority   Class  
  gi7                               Auto            On      critical  class2  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is on - valid resistor detected
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
  Port      Powered Device         State          Status    Priority   Class  
  gi13                             Never           Off        low     class0  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            1
Invalid Signature Counter: 0
  Port      Powered Device         State          Status    Priority   Class  
  gi14                             Never           Off        low     class0  
Power limit (for port power-limit mode): 15.400W
Port Status:               Port is off - user setting
Overload Counter:          0
Short Counter:             0
Denied Counter:            0
Absent Counter:            0
Invalid Signature Counter: 0
show interfaces advertise gigabitethernet xx (for what ports are of interest)
Port: gi9      
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f  1000h  100f  100h  10f  10h
Admin Local link Advertisement    yes    no     yes   yes   yes  yes 
Oper Local link Advertisement     -      -      -     -     -    - 
Oper Remote link Advertisement    -      -      -     -     -    - 
Priority Resolution               -      -      -     -     -    - 
Port: gi10     
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f  1000h  100f  100h  10f  10h
Admin Local link Advertisement    yes    no     yes   yes   yes  yes 
Oper Local link Advertisement     -      -      -     -     -    - 
Oper Remote link Advertisement    -      -      -     -     -    - 
Priority Resolution               -      -      -     -     -    -
Port: gi11     
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f  1000h  100f  100h  10f  10h
Admin Local link Advertisement    yes    no     yes   yes   yes  yes 
Oper Local link Advertisement     -      -      -     -     -    - 
Oper Remote link Advertisement    -      -      -     -     -    - 
Priority Resolution               -      -      -     -     -    -
Port: gi21     
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f  1000h  100f  100h  10f  10h
Admin Local link Advertisement    yes    no     yes   yes   yes  yes 
Oper Local link Advertisement     -      -      -     -     -    - 
Oper Remote link Advertisement    -      -      -     -     -    - 
Priority Resolution               -      -      -     -     -    -
Port: gi22     
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f  1000h  100f  100h  10f  10h
Admin Local link Advertisement    yes    no     yes   yes   yes  yes 
Oper Local link Advertisement     -      -      -     -     -    - 
Oper Remote link Advertisement    -      -      -     -     -    - 
Priority Resolution               -      -      -     -     -    - 
Port: gi23     
Type: 1G-Copper
Link state: Down
Auto negotiation: Enabled
                                  1000f  1000h  100f  100h  10f  10h
Admin Local link Advertisement    yes    no     yes   yes   yes  yes 
Oper Local link Advertisement     -      -      -     -     -    - 
Oper Remote link Advertisement    -      -      -     -     -    - 
Priority Resolution               -      -      -     -     -    - 

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    I had Verizon JetPak and you will find it will eat data like crazy. I opted to sign on to ATT Uverse and configured my phones and other devices to the WiFi on the Uverse system. It took about 5 minutes to completed the configuration.  I was using 10 to 12 GB monthly to support 5 devices. Even if you use Verizon DSL, you are still subjected to same GB allotment.  In my area, Verizon DSL is not available. With Uverse, I have 250 GB monthly to use, and I have not even come close to using anything of that magnitude. I reduced my GB package with Verizon to 2 GB per month and since having ATT Uverse, I never use more than 1GB a month with Verizon.
    I have no problem with Verizon cell phone service as we get a much stronger signal where we live than you can with ATT or any others.  It is just my opinion, but if you are running multiple devices off Verizon Jetpak, you will eventually spend a fortune to keep pace.  I pay $60 a month for 18 Mbps speed, although ATT have packages that cost much less. But, it saves me a bundle each month. The cost of Uverse alone is worth not having to run everything through a Jetpak.  
    If you have the  option to use another DSL service provider in your area, I recommend dumping the Jetpak and sign on with another carrier.

  • Windows vista home premium service pack 2.error measage __(the windows installer service could not be accessed.this can occur if the windows installer is not correctly installed .contact your support personnel for assistance )no error nurber

    windows vista home premium service pack 2。error measage __(the windows installer service could not be accessed.this can occur if the windows installer is not correctly installed .contact your support personnel for assistance )no error nurber

    Hi Abdallah,
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    Usually, the error occurs when the Windows Installer Service is not running or the Windows Installer registry settings are corrupted.  I recommend you reset the Windows Installer Service settings in the registry and restart the Windows Installer Service,
    then reinstall SQL Server 2008 R2. For more details, please review this similar
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    Thanks,
    Lydia Zhang

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