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

1 Answer

HP Procurve LX module


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.


Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Expert
  • 339 Answers
Re: HP Procurve LX module

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

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

Hi, all of my KX-T7736 phones connected to KX-TA624 started to get lots of static noise and cannot receiveincoming calls> CO lines are clean. What should I check to fix the problem? Where can I get a...

psu problem the 7736 run a few more milliamps then normal as they have a larger display plus its powered all the time,and the psu cant cope....hope this helps

May 25, 2011 | Panasonic KX-TA62470-2 (KXTA624702)...

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.

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...

3 Answers


when i insert ncomputing cd in my computers drive and want to install ncomputing softwere the massege appearce that "NComputing vSpace not installed
Error report:
This software is hardware protected. Your hardware is not supported. Please contact NComputing Inc. or its partners to purchase supported hardware. plz solve my problem as soon as thank u

Jul 16, 2010 | NComputing X550 PCI CARD W/ VSPACE F/LG...

1 Answer

Expansion drives

Move the tracks or files you want to burn to CD to the C drive before you do the burning.
Yes, it will take longer to get the info from the USB drive to the computer memeory and then to the CD.

Jan 10, 2010 | Seagate (CD72LWH-Q) Expansion Module

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

2 Answers

Panasonic KXTA 624, leds flashing,

I have the same problem.have you been able to diagnose and fix the problem?

Mar 16, 2009 | Panasonic KX-TA62470-2 (KXTA624702)...

2 Answers

Mikomi webcam

Okay I had this same problem but I sorted it out in like 1 min.

On MSN click on Tools then from the drop down click Audio / Video Setup


Sep 22, 2008 | Micom (VIP-4004-ISO-DX) (VIP4004ISODX)...

1 Answer


If you have device A connected to device B over a Gigabit link, and the link does not come up, perform this procedure.
Step-by-Step Procedure
1. Verify device A and B use the same GBIC, short wavelength (SX), long wavelength (LX), long haul (LH), extended wavelength (ZX), or copper UTP (TX). Both devices must use the same type of GBIC to establish link. An SX GBIC needs to connect with an SX GBIC. An SX GBIC does not link with an LX GBIC.

2. Verify distance and cable used per GBIC as defined by Cisco.

3. If either device has multiple Gigabit ports, connect the ports to each other. This tests each device and verifies that the Gigabit interface functions correctly. For example, you have a switch that has two Gigabit ports. Wire Gigabit port one to Gigabit port two. Does the link come up? If so, the port is good. STP blocks on the port and prevents any loops (port one receive (RX) goes to port two transmit (TX), and port one TX goes to port two RX).

4. If single connection or Step 3 fails with SC connectors, loop the port back to itself (port one RX goes to port one TX). Does the port come up? If not, contact the Cisco TAC, as this can be a faulty port.

5. If steps 3 and 4 are successful, but a connection between device A and B cannot be established, loop ports with the cable that adjoins the two devices. Verify that there is not a faulty cable.

6. Verify that each device supports 802.3z specification for Gigabit auto-negotiation. Gigabit Ethernet has an auto-negotiation procedure that is more extensive than the one used for 10/100 Ethernet (Gigabit auto-negotiation spec: IEEE Std 802.3z-1998). When you enable link negotiation, the system auto-negotiates flow control, duplex mode, and remote fault information. You must either enable or disable link negotiation on both ends of the link. Both ends of the link must be set to the same value or the link cannot connect. Problems have been seen when you connect to devices manufactured before the IEEE 802.3z standard was ratified. If either device does not support Gigabit auto-negotiation, disable the Gigabit auto-negotiation, and it forces the link up.warning.gif Warning: Disabling auto-negotiation hides link drops or physical layer problems. Disabling auto-negotiation is only required if end-devices such as older Gigabit NICs are used which cannot support IEEE 802.3z. Do not disable auto-negotiation between switches unless absolutely required to do so, as physical layer problems can go undetected, which results in STP loops. The alternative is to contact the vendor for software/hardware upgrade for IEEE 802.3z Gigabit auto-negotiation support

Feb 02, 2008 | Cisco (GBIC-LX/LH) Expansion Module

Not finding what you are looking for?
HP (J4859A) (J4859A#ABA) Expansion Module Logo

Related Topics:

127 people viewed this question

Ask a Question

Usually answered in minutes!

Top HP I/O Cards Experts

Martin Buck
Martin Buck

Level 2 Expert

81 Answers

Josh Whitehead
Josh Whitehead

Level 3 Expert

1142 Answers


Level 3 Expert

18259 Answers

Are you a HP I/O Card Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides