Question about 3Com SuperStack 3 3300 TM Networking Switch

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

All Ethernet port isn't working, the power led keep flashing. All ethernet port is dead. thank's (sorry for my poor english)

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35 Answers

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.

Posted on Jun 21, 2007

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I want to know how I can re-set my 3Com 3crwe955275 wireless access point to its default factory settings. Can anyone help?

1 Remove power from the Gateway. 2 Disconnect all your computers and the cable/DSL modem from the Gateway router. 3 Using a straight through Ethernet cable, connect the Ethernet Cable/DSL port on the rear of the Gateway to any one of the LAN ports. 4 Re-apply power to the Gateway. The Alert LED will flash as the Gateway starts up, and after approximately 30 seconds will start to flash more slowly (typically 2 seconds on, 2 seconds off). Once the Alert LED has started to flash slowly, remove power from the Gateway. 5 Remove the cable connecting the Cable/DSL port to the LAN port, and reconnect one of your computers to one of the Gateway LAN ports. 6 Re-apply power to the Gateway, and when the start-up sequence has completed, browse to: http://192.168.1.1 and run the configuration wizard. You may need to restart your computer before you attempt this. 7 When the configuration wizard has completed, you may reconnect your network as it was before

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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).
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.
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1 Answer

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looks like
https://www.monoprice.com/product?p_id=2115
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Hi there.
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3com 3300 TM - all Ethernet port not working, power led flashing

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

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Anonymous

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6ya staff

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Related Questions:

I want to know how I can re-set my 3Com 3crwe955275 wireless access point to its default factory settings. Can anyone help?

I can'able access 4800g thrugh ethernet

Port LEDs keep flashing in sequence.

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

I have a 3 com router 3 com office connect 11g - 3crwe454g72 , my note book detects the router and signal strenghth is good too , however wi fi connectivity is not there i do not remember the password...

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3Com 3c17304 port 25 up not connecting

Doesn't POST

Need to add Linksys WRT54G-TM wireless router with Linksys SPA 2102 phone adapter

Not finding what you are looking for?

SuperStack 3 3300 TM Networking Switch

I want to know how I can re-set my 3Com 3crwe955275 wireless access point to its default factory settings. Can anyone help?

Open Questions:

3Com SuperStack 3 3300

3com Switch 4226T Power LED Light 1 is showing Green and amber and all ports are not working?

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