Question about HP (J4859A) (J4859A#ABA) Expansion Module

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HP Procurve LX module

Hi,

I had a setup with 9/125 micron single mode cable ( Length - 350Mtrs). Both ends connected with 10/100 Media convertor ( Brodcom make). Now I have changed in one end with 10/100/1000 (Hp procurve -1800 series) switch with LX Module ( J4859C). There is no link in the 1800 side. Pls help me to resolve this.

KK

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  • 339 Answers

The J4859C does not support 10M or 100M speeds; only 1000M full duplex. You need to put an equivalent module on the other end or get a media converter that conforms to the 802.3z standard.

Posted on Jul 12, 2009

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1 Answer

What wavelengths supports module 8763A? I have not communicate with the optical card at 850 nm.


reverse your connection? From what I've found it appears that it is 850nm, but I haven't found anything definitive.

http://h30094.www3.hp.com/product.asp?sku=2875517&mfg_part=J8763A&pagemode=ca

If you are continuing to have trouble, contact HP ProCurve at 1-866-my-procurve

Apr 18, 2011 | HP Procurve Switch Vl 100FX Mtrj Module 12...

1 Answer

Hi I have problem in my device I can't recognize it please need help


Contact HP ProCurve tech support. They can walk you through some checks and if they determine there's a hardware fault, they will ship you a replacement.

1-866-my-procurve

Dec 05, 2010 | HP ProCurve Switch 8200zl System Support...

1 Answer

Which cable can i use to configure switch HP J4900B


The switch comes with a console cable which will be connected to the console/mgmt port one end and the serial port of the Laptop at the other end.

If you dont have a console cable then you can try a rollover cable.

Oct 27, 2010 | HP ProCurve 2626 (J4900B) 24x10/100 Mbps...

1 Answer

Ethernet modelA in Procurve 4104gl J4887A not work


What blade is in module A? If it's a PoE blade, you must have the EPS connected to the front of the blade.

If this isn't the trouble, then I'd suggest a phone call to ProCurve support... 1-866-my-procurve

Mar 10, 2010 | HP ProCurve 4104gl Networking Switch

1 Answer

ProCurve J4908A


J4863A is another module that this switch supports. What is the trouble with yours? HP ProCurve support should be able to help out - 1-866-my-procurve. If there's trouble with the blade, HP will replace it as it has a lifetime warranty.

Nov 18, 2009 | HP J4908A Expansion Module

1 Answer

Hp 4108 vs 2524


It has to be either the cable or the transcievers. Do you have a spare pair you can try instead?

Don't forget that HP has free tech support at 866-myprocurve also. They are excellent.

Jun 19, 2009 | HP ProCurve 2524 24x10/100 Mbps Networking...

1 Answer

HP Procurve 1700-8 working upto 10m UTP cable only.


It is not a distance limitation of the switch, rather the cabling in the walls and ceiling. If the cable is Cat5 it can be up to 100M, but this can be drastically reduced with things like EM interference from fluorescent lights, kinks in cable and more. The switch auto detects the maximum reliable speed and this interference would cause it to drop to 10MBps. If you don't have a cable certifier (very expensive) you may want to consider simply replacing the cabling run with Cat6 following best installation practices. You can learn more at http://www.lanshack.com/cat5e-tutorial.aspx.

Feb 14, 2009 | HP ProCurve 1700-8

2 Answers

Consistent 2 minute dropout


Have you tried to telnet into your device and turn up the logging? Also, have you confirmed at what duplex you are running on the ports that the actual connection is coming in on? Is there a firewall connected to your switches? If so, have you checked the NIC cards to make sure they are functioning appropiately? Check out your DMZ card to see if that is causing any issues.

May 22, 2008 | HP ProCurve 2626 (J4900B) 24x10/100 Mbps...

1 Answer

Network is SLOW


I can assist with the full and half duplex question...but I'll need a specific HP model number for the Procurve in order to give you correct advice about it.

If the Procurve is not configurable, or has never been configured, then it is using autonegotiation to determine speed and duplex. Each of your computers should also be set to auto for speed and duplex.

The general rule of thumb is to make sure that speed and duplex for both ports on a link are set the same. For example, if the port at one end of a cable is set manually, then the port at the other end must also be set manually...to the same speed and duplex values. If one port is set to auto, then the port at the other end of the cable must also be set to auto.

Jan 15, 2008 | HP ProCurve 24x10/100 Mbps Networking Hub

2 Answers

Only sound for cd/dvd


Could be damaged cable between the media centre and bass module (check along cable length for damage, kinks or at DIN plug ends for bent/damaged pins), faulty media centre (unlikely) or fault in the bass module....

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