POE intermittent on start up
SRW 224G4P. I know it has End of life, but customers will still use it for the next 1,2 years.
1. POE power in question now - Can config or solution be found for the following use?
2. Devices connected to first 12 ports of SRW 224G4P.
3. POE is enabled and turned on for these 12 ports.
4. When SRW 224G4P power is turn on at the start of day, power is sent out immediately from these 12 ports to the connected devices.
5. POE power send out is good but, it sends power and then off. then 2 seconds later, power sends out again. then off.
6. This power on off cycle goes on 4 times in total, lasting 1.5min - 2min time.
7. AFter 2min, power stays stable all the way.
I worry this will spoil connected devices, due to power on n off 4 times a day, 7 days a week whole year round.
I worry that the new SFE 300 series switches will do the same. Customers will JUMP!!!!
Kindly advise if anyone knows a way round.
Regards
Adwin
Lim,
What are you powering up with the switch?
How long are the cables connecting the devices to the switch?
Have you set the poe settings to critical on the first 12 ports and tested to see if that assist the switch?
Are you running the latest version of firmware on the srw224g4p?
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http://www.pondini.org/TM/C17.html
http://blog.jthon.com/?p=31
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Regards.
English Community Deutsche Community Comunidad en Español Русскоязычное Сообщество
Community Resources: Participation Rules • Images in posts • Search (Advanced) • Private Messaging
PM requests for individual support are not answered. If a post solves your issue, please mark it so.
X1C3 Helix X220 X301 X200T T61p T60p Y3P • T520 T420 T510 T400 R400 T61 Y2P Y13
I am not a Lenovo employee. -
Boot / application menu on start up
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Ok, thanks.
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Sorry... I'm sure this isn't what you want to hear.
Regards.
English Community Deutsche Community Comunidad en Español Русскоязычное Сообщество
Community Resources: Participation Rules • Images in posts • Search (Advanced) • Private Messaging
PM requests for individual support are not answered. If a post solves your issue, please mark it so.
X1C3 Helix X220 X301 X200T T61p T60p Y3P • T520 T420 T510 T400 R400 T61 Y2P Y13
I am not a Lenovo employee. -
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Tue May 8 11:07:40 2012
panic(cpu 0 caller 0x2abf6a): Kernel trap at 0x00c6ca61, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x00000010, CR3: 0x00100000, CR4: 0x00000660
EAX: 0xffffffff, EBX: 0x00000027, ECX: 0x07f2f604, EDX: 0x00000010
CR2: 0x00000010, EBP: 0x32753b28, ESI: 0x21b5a000, EDI: 0x062d03f0
EFL: 0x00010202, EIP: 0x00c6ca61, CS: 0x00000008, DS: 0x00000010
Error code: 0x00000002
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x32753918 : 0x21b837 (0x5dd7fc 0x3275394c 0x223ce1 0x0)
0x32753968 : 0x2abf6a (0x59e3d0 0xc6ca61 0xe 0x59e59a)
0x32753a48 : 0x2a1a78 (0x32753a60 0x18 0x32753b28 0xc6ca61)
0x32753a58 : 0xc6ca61 (0xe 0xa140048 0x32750010 0x500010)
0x32753b28 : 0xca4341 (0x21b5a000 0x2177a000 0x1 0x5a9e580)
0x32753b78 : 0xc676dd (0x21b5a000 0x2177a000 0x32753bb8 0x1d)
0x32753b98 : 0x571dcd (0x21b5a000 0x860134 0x32753be8 0x0)
0x32753bb8 : 0x284f15 (0x21b5a000 0x8d48570 0x1d 0x32753be8)
0x32753c08 : 0x21dbfc (0x6b8dc98 0x8cb65a0 0x0 0x6968dd8)
0x32753c48 : 0x210a86 (0x6b8dc00 0x12 0x32753ca8 0x20f4ae)
0x32753ca8 : 0x21e0cb (0x6b8dc00 0x10000 0x0 0x210814)
0x32753cd8 : 0x23ff7b (0x32753cfc 0x24 0x8397164 0x0)
0x32753d28 : 0x215256 (0x8d48570 0x1 0x1 0x221eeb)
0x32753d78 : 0x215868 (0x571fbdc 0x1c113 0x21addc10 0x63f73e8)
0x32753db8 : 0x22ca4d (0x571fbdc 0x74cc640 0x32753e08 0x480e5d)
0x32753e08 : 0x481892 (0x63f73e8 0x9 0x0 0x5c587a8)
0x32753e58 : 0x48d017 (0x7919000 0x9 0x0 0x7919110)
0x32753ec8 : 0x48fec0 (0x9 0x0 0x32753ee8 0x2a45c9)
0x32753ef8 : 0x219432 (0x5c587a8 0xffffff7f 0x1 0x3ca05a8)
0x32753f38 : 0x2ab89f (0xffffffff 0x1 0x1 0x3)
0x32753fc8 : 0x2a18da (0xcf05b04 0x0 0x10 0x0)
Kernel Extensions in backtrace (with dependencies):
com.apple.GeForce(6.3.6)@0xc5c000->0xd12fff
dependency: com.apple.NVDAResman(6.3.6)@0x96e000
dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x961000
dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x928000
dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x93f000
BSD process name corresponding to current thread: PluginProcess
Mac OS version:
10K549
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: iMac9,1 (Mac-F2218EA9)
System uptime in nanoseconds: 79149489400674
unloaded kexts:
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loaded kexts:
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com.apple.filesystems.afpfs 9.7.1
com.apple.nke.asp_tcp 5.0
com.apple.driver.AppleHWSensor 1.9.3d0
com.apple.filesystems.autofs 2.1.0
com.apple.driver.AGPM 100.12.31
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.driver.AppleHDA 2.0.5f14
com.apple.driver.AppleMikeyDriver 2.0.5f14
com.apple.driver.IOBluetoothBNEPDriver 2.4.5f3
com.apple.driver.AudioAUUC 1.57
com.apple.driver.AppleUpstreamUserClient 3.5.7
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AppleIntelPenrynProfile 17
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AppleLPC 1.5.1
com.apple.driver.AppleBacklight 170.0.46
com.apple.GeForce 6.3.6
com.apple.driver.AppleIRController 303.8
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.driver.AirPortBrcm43224 428.42.4
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.driver.AppleUSBHub 4.2.4
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.nvenet 2.0.17
com.apple.driver.AppleUSBEHCI 4.2.4
com.apple.driver.AppleUSBOHCI 4.2.0
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleACPIButtons 1.3.6
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.3.6
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox 1
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.14
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.8
com.apple.iokit.IOUSBMassStorageClass 2.6.7
com.apple.driver.DspFuncLib 2.0.5f14
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.driver.AppleProfileTimestampAction 10
com.apple.driver.AppleProfileThreadInfoAction 14
com.apple.driver.AppleProfileRegisterStateAction 10
com.apple.driver.AppleProfileKEventAction 10
com.apple.driver.AppleProfileCallstackAction 20
com.apple.driver.AppleUSBAudio 2.7.6f6
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.iokit.IOSurface 74.2
com.apple.iokit.IOBluetoothSerialManager 2.4.5f3
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleHDAController 2.0.5f14
com.apple.iokit.IOHDAFamily 2.0.5f14
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.AppleSMC 3.1.0d5
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.nvidia.nv50hal 6.3.6
com.apple.NVDAResman 6.3.6
com.apple.iokit.IONDRVSupport 2.2.1
com.apple.iokit.IOGraphicsFamily 2.2.1
com.apple.driver.BroadcomUSBBluetoothHCIController 2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3
com.apple.iokit.IOBluetoothFamily 2.4.5f3
com.apple.driver.AppleUSBHIDMouse 162
com.apple.driver.AppleHIDMouse 162
com.apple.driver.AppleUSBHIDKeyboard 141.5
com.apple.driver.AppleHIDKeyboard 141.5
com.apple.iokit.IOUSBHIDDriver 4.2.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.8
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6.1
com.apple.driver.AppleUSBMergeNub 4.2.4
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOAHCISerialATAPI 1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.IOUSBUserClient 4.2.4
com.apple.iokit.IOAHCIFamily 2.0.6
com.apple.iokit.IONetworkingFamily 1.10
com.apple.iokit.IOUSBFamily 4.2.4
com.apple.driver.NVSMU 2.2.7
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.5
com.apple.iokit.IOACPIFamily 1.3.0 -
I took delivery of a brand new 21.5" iMac a week ago. When it first arrived the internet was fine - then intermittently it started to go slow or just fail to load pages even though I could see it was connected to the router and had full signal strength. The problems gradually got worse and I'm now at the point where I have to turn the Wi-Fi on the mac off, then on again for each page I try to load. I know this is an issue with the mac because all other devices in my house that rely on the Wi-Fi are working fine. I've browsed a few message boards and can see that this seems to be a common issue but no one has a solution to it. Is this something I can fix myself or is it a hardware problem?
Hi, I didn't get it sorted exactly. I seem to have stumbled on a fix and I think the issue might be to do with the compatibility between my old router and new mac. If I were to make an educated guess based on the problems I've had and what others have described I'd say this is a software problem with the new OS - maybe it's just a little bit incompatible with certain routers?
I've been in contact with apple support a lot over the last 10 days and I'd just like to ay that despite not finding a fix they have been really helpful. One of the senior guys let me know that because I'd reported the issue that he would let the after sales team know if I wanted to swap the Mac, even though I'd gone over the 14 days (I'd probably be pushing my luck if I asked them to honour that now though).
So, what we tried was;
Solution 1: rename the config file, reboot the system so the config settings are reset. This worked for a few hours until the problem resurfaced then gradually got worse.
Solution 2: reinstall the OS - again this worked for a while, before gradually getting worse again.
Solution 3: Open Network Preferences, use the minus key to delete all internet connections then set up the Wi-Fi again - didn't help.
Solution 4: set up a new admin user, sign in there and see if the problem occurs. Again same thing, this worked for a number of hours before the problem crept back. I do find it a bit weird how the fixes seem ok for a while then it just gradually dies.
Trying the troubleshooting basically narrowed it down to a problem with the router or the Mac. So I took the Mac to my Dad's flat where he has BT Infinity with a fairly new modem and router. The internet seemed fine there - it was faster (as expected) and didn't drop out at all. My only worry is that I only had one night to test it there, so I can't guarantee after a weeks usage the same thing might not happen there also.
Not wanting to have to buy a new router I did try something which for now seems to have worked quite well and now I get internet connectivity for a good day or two, before there's a bit of a wobble but I repeat the same troubleshooting process and it works fine again. This is what I did:
Alt click on the Wi-Fi icon on the menu bar.
Select 'Open Wireless Diagnostics...'
Don't press continue in the box that opens, but instead select 'Window' from the menu bar, then 'Scan'.
In the box that opens up hit 'Scan Now' and check the numbers next to Best 2.4GHz.
Next - type in your routers IP address in Safari to access it's settings. I found the IP for mine by google searching the router on my iPhone and downloading the instructions.
Access the wireless settings.
Configure the channel that the router is using so it matches one of the numbers that was shown next to Best 2.4GHz.
I also changed the interface type to 802.11g (seemed to be the best my router had) and the WPA-PSK to WPA2. Also check that the router firmware is up to date.
Finally open up Spotify and play victory tune of your choice.
Whenever the Wi-Fi has a bit of a wobble I just switch the channels once or twice and it seems to come back to life.
The router I'm using is a really old Speedtouch 585 all in one. It's been reliable though and I've never had problem like this with any other devices. I'd be interested to know what other people are using. I should also point out that I'm not actually all that techy - I've just sort of fixed this through belligerent trail and error. I'd like to know if this helps anyone else.
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