Question about 3Com Baseline Plus 2952 52 Port Gigabit Switch (3CRBSG5293UK)

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Firmware update for 3Com 2952 - 3Com Baseline Plus 2952 52 Port Gigabit Switch (3CRBSG5293UK)

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Don't let the switch name fool you, HP calls it the HP 1910.
HP 1910 48G Switch Fixed Port Web Managed Ethernet Switches HP JE009A ABA
Technical Notes:
"The HP 1910-48G Switch (JE009A) was formerly sold as the 3Com Baseline Plus 2952 (3CRBSG5293) and may ship with this product labeling.SFP ports and copper ports work simultaneously, independent of each other to give a total of 52 Gigabit-capable ports."

Firmware download from HP:
My Networking HP Official Site

Posted on Nov 25, 2014

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Posted on Jan 02, 2017

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3COM 3CRWDR200A-75 Firmware Download - All Versions


Hello

If you want earlier firmware versions of 3Com 3CRWDR200A-75 then check this website:-

http://3crwdr.googlepages.com/

da4eeaf.jpg Firmware Router 3Com 3CRWDR200A-75 V.3.0.1
Firmware Router 3Com 3CRWDR200A-75 V.3.0
Firmware Router 3Com 3CRWDR200A-75 V.3.1 Beta
Firmware Router 3Com 3CRWDR200A-75 V.2.9b Beta
Firmware Router 3Com 3CRWDR200A-75 V.2.9 Beta
Firmware Router 3Com 3CRWDR200A-75 V.2.8b7 Beta
Firmware Router 3Com 3CRWDR200A-75 V.2.8b6 Beta
Firmware Router 3Com 3CRWDR200A-75 V.2.8b4 Beta
Firmware Router 3Com 3CRWDR200A-75 V.2.8b Beta
_____
Regards

on Jun 29, 2008 | 3Com OfficeConnect Wireless Router

1 Answer

My 3COM 3CRWE454G72 cant work anymore after upgrading firmware, before finish upgrade, I lost power... Does anyone know how to fix it ? Thanks


Hi, I think you may have to buy a new unit.It is essential that a firmware update completes uninterrupted as it is modifying the unit's operating system. This applies to anything, not just routers. If the update does not compelete then the operating system is not complete and the unit will not work any more.

Oct 10, 2011 | 3Com OfficeConnect Wireless Router

2 Answers

We have a 3CRWDR101A-75 3com wifi router and its not upgrading the firmware, I downloaded the firmware from the site and then when I try to upgrade all I get is file verification failed... any thoughts...


The downloaded file is "corrupt", and thus it fails the "verification" process.

Download the firmware again, and compare the two files.

Or, use a different computer to download the firmware, and to do the firmware-update.

Apr 20, 2011 | 3Com OfficeConnect Remote 612 ADSL Router

1 Answer

What is the defult ip address for access the config page at switchs 3com?


The default IP address of the device, depends on the status of the network where the device resides, but if the device is not connected to the network, or no DHCP server exists in the subnet where the device resides, you can get the default IP address of the device on the label on the right of the device rear panel.

Feb 24, 2011 | 3Com Baseline Plus 2952 52 Port Gigabit...

1 Answer

Why does wireless router model 3CRWE754G72-A keep rebooting during internet sessions? This can happen as often as every five minutes or so. I'm running XP pro, 32 bit SP3. Firmware version is 1.24. I have...


1. check the manufacturers web site for firmware update.
2. relocate the router to another location the room away from walls or cordless phones or microwave.
Isolate from any device that broadcast a frequency.
3. You may need to update the router. the firmware may be obsolete.

Apr 20, 2010 | 3Com OfficeConnect Wireless Router

1 Answer

Connecting a 3Com 2952 Plus switch to a Cisco 3750 switch


If you also have a standard copper cable (or a second fibre cable) connecting the two switches (for resilience perhaps?), this issue is probably being caused by something called Spanning Tree. This is implemented on switches as a 'loop avoidance' system, and can look like you have described with one end 'ip' and the other end no lights.

On the Cisco switch, get to a telnet/ssh/console session, log in and enter show spanning-tree and press enter.

have a look to see if the fibre interface has a status (sts column) of BLK. If it has, then this is called 'blocking' and will remain like that until you remove the second link to the other switch.

Hope that this has helped!

Mar 03, 2010 | 3Com 3CSFP91 Transceiver

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3Com AP2750 Problem


try the manufaturer website first, but if it is Senau ECB -xxxx models, tough luck, they write the worst firmware, lots of it has java errors and is unusable.

Jun 14, 2008 | Computers & Internet

2 Answers

My 3com officeconnect doesn't work after upgrding the firmware


Are you able to login to the router? If you can reset the router to factory defaults..If you can't login to the router...Is there an external reset button on the router you could try to reset. with a paperclip? Otherwise, I had this happen on a linksys router/switch. New router time. You should just return it where you purchased the product. There was already something seemingly going wrong if it was rebooting. 3 weeks? just return it. don't even mention the firmware update. Here is the site info for 3com: http://knowledgebase.3com.com/ OfficeConnect - Firmware upgrade fails with incorrect user interface image Problem: Incorrect user interface image Problem: Firmware upgrade fails Problem: Error when upgrading firmware Problem: Incorrect firmware Problem: Wrong firmware Fact: Firmware Fact: Download Fact: Update Fact: Upgrade Cause: The downloaded .exe has not been extracted Fix: The downloaded .exe needs to be extracted by double clicking on it. When performing the firmware update use the extracted files that were obtained from the "exe" file. e.g You will obtain a "bin" or "dlf" type of file which is the firmware required for your upgrade. Let me know what happens. Good Luck, Tim

Mar 16, 2007 | 3Com OfficeConnect Remote 612 ADSL Router

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