Question about 3Com SuperStack 3 3300 TM Networking Switch

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Doesn't POST My 3Com 3300 TM has all it's lights turned on and the light on port 9 blinks.

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I've got a Superstack II 3300 24port switch, all leds are on, and led 8 blinks.
I'll let you know if I find a solution.

Posted on Sep 13, 2010

  • djcete Sep 20, 2010

    It seems that when all lights are on, and one of them is blinking, the corresponding port is broken.
    It could be the port's associated SRAM chip, or other hardware issue related to the port.
    It cannot be fixed with an update.

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My problem is i have all yellow ports flashing in 10 3com 3300 switches in the same time. please help me


  1. Using a Null-Modem Cable , hook up the Console port of the switch to an available COM port on a computer (cable must be able to provide serial port communication between 2 computers).
  2. Set up a Hyperterminal session to that COM port (e.g.: com1), with the port settings at 9600/8/N/1/N (. When the screen comes up blank with a blinking cursor, hit [enter] once or twice to bring up a login prompt.
  3. Alternative to 1 and 2 above, if there is a known assigned TCP/IP address for the switch, one can telnet to that address, hit [enter] once or twice to get the login prompt.
  4. Default logins to try are admin/(no password) or security/security. One of those 2 should bring up the management menu.
  5. To reset factory defaults, type SYSTEM[enter] then type INITIALIZE[enter]. This will reset everything that has been set up on the switch, with the exception of the TCP/IP address, if there is one. All other previous configurations will need to be re-entered.
  6. You can type in username "3comcso" and password "RIP000". It will ask you to reinitialize the switch. This will reset all settings including passwords.

Jul 15, 2011 | 3Com SuperStack 3 3300 XM 24-Port Ethernet...

Tip

One For All URC-3300 Code Search


One For All URC-3300 Universal Remote Code Search

d844f11.jpg

To program your One For All URC-3300 universal remote control to operate your TV, the remote has a code search function.

To search for a code for your TV:

  1. On the remote control, press TV once.

  2. Press and hold SET until the LED blinks twice, then release SET.

  3. Enter 9 - 9 - 1.The LED will blink twice.

  4. Aim the remote control at the the TV and slowly alternate between pressing POWER and TV. Stop when the TV turns off.

  5. To lock in the code, press and hold SET until the LED blinks twice, then release SET.

I hope that helps.
___________________________________
One For All URC-3300 Manual
One For All URC-3300 Code List
One For All URC-3300 Code Entry
One For All URC-3300 Code Search
One For All URC-3300 Reassign Key

on May 30, 2010 | Televison & Video

Tip

One For All URC-3300 Code Search


One For All URC-3300 Universal Remote Code Search

d844f11.jpg

To program your One For All URC-3300 universal remote control to operate your TV, the remote has a code search function.

To search for a code for your TV:

  1. On the remote control, press TV once.

  2. Press and hold SET until the LED blinks twice, then release SET.

  3. Enter 9 - 9 - 1.The LED will blink twice.

  4. Aim the remote control at the the TV and slowly alternate between pressing POWER and TV. Stop when the TV turns off.

  5. To lock in the code, press and hold SET until the LED blinks twice, then release SET.

I hope that helps.
___________________________________
One For All URC-3300 Manual
One For All URC-3300 Code List
One For All URC-3300 Code Entry
One For All URC-3300 Code Search
One For All URC-3300 Reassign Key

on May 30, 2010 | One For All URC-3300 Remote Control

1 Answer

Hello i want config snmp in 3com 3300MM but i can not set it please help me thanks


There a great article at General Router Setup.
If you need more help post back!
Thumbs and testimonial are welcome!


There is a great article at Working with Windows Wireless Networks
If you need more help post back! Thumbs and testimonial are welcome!

Jan 23, 2011 | 3Com SuperStack II 3300 SM Networking...

1 Answer

3Com Baseline Switch 2024 - Switch - 24 ports duplex light blink continusly


Is it hsappening with all the 24 ports or with some ports ?

Might be an indiacation towards the duplex mismatch.
are you getting CRC errors on the interfaces ?

Dec 05, 2010 | 3Com Baseline Switch 2024 - Switch - 24...

2 Answers

We have a 3CR858-91 3com router and nobody knows it's administration password. I have tried to reset it to the factory defaults using a RJ45 cable (DSL port to LAN port connected) but it does't work (even...


I have same problem. So the solutions is (in my particular case), when you done everything as it written in the reseting instruction. You face blinking LAN/WAN ports and no any activity with Alert LED. After 30 second or even 1 min (i don't relly know do you need to wait or not), i disconnected LAN/WAN ports and connected it again without repowering. Then Alert LED starts to blink slowly every 2 second. After re-applying power it was reseted.

Mar 29, 2010 | 3Com 3CR858-91 Office Connect Cable/DSL...

1 Answer

When I turn my IP 3000 on the green light only blink 9 time no orange light at all I did try to reset no sucess as the green light keep blinking 9 time any help


9 flashes should only occur if you are trying to print directly from a non-compatible digital camera. Check where your USB cable is plugged into the printer. The cable coming from the computer should go into a 'square' port in the back of the printer -- not the rectangular port on the lower right side of the front of the printer.

Nov 09, 2009 | Canon PIXMA iP3000 InkJet Photo Printer

1 Answer

Link and activity lights on 3Com Switch ports without connection


Do the ports work when the cables are connect?  I did some re-search and this seems to be an ongoing issue with 3com switches.  It should not effect the use of the switch

Oct 09, 2007 | 3Com 3C16985B /REF3COM SSII 24-PORT SWITCH...

1 Answer

High activity?


Hello Mike, Are you able to log into the web interface of the product and see the data statistics for the ports? This switch has a web management interface, so I'd advise logging into that to see what's actually happening to each port. Take a look at that and get back to me with your findings. If you find that you can't access the web interface, there may be another issue we need to look at. Let me know how you get on. Thanks reaxion

Feb 15, 2007 | 3Com SuperStack II 3300 SM Networking...

1 Answer

3com 3300 TM - all Ethernet port not working, power led flashing


A blinking power LED means that the switch is either downloading software, or is initializing which also includes running the Power On Self Test. You may have firmware issues with the switch and/or the switch is stuck in initialization mode. You may have to contact 3com regarding a warranty issue. Hope this helps. Good luck.

Nov 20, 2006 | 3Com SuperStack 3 3300 TM Networking...

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