Question about HP ProCurve 2626 (J4900B) 24x10/100 Mbps Networking Switch

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Mini GIBIC Problem

Right now we are using 3 of these switches in our network to connect 3 different buildings to each other. There is fiber run between the three building. Now here is where the problem starts. We have a connection between building 1 and 2 but from building 2 to 3 there is no connection. The port is lit in building 3 saying there is a connection but in building 2 the port is off. Now if I haven't lost you yet. Both the ports are configured the same and they are on the same VLAN. They are both set to the same speed everything should be working but it doesn't. If anyone has any suggestions that I should try let me know thanks for your time in helping me solve my problem. Andrew

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  • Andrew_Reed Aug 21, 2007

    I solved the problem by switching out the switch in building 2 see as that is where the problem was happening. After I switched it everything seemed to work fine.

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I would try changing ports and see if that resolves the issue, if not, then run a fox and hound on the cable. even though you have a connection light on the swith in building 3 I would also try differant port or swithc, I would also check the ends of the cables to make sure both ends have a good connection. Hope this helps.

Posted on Aug 18, 2007

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1 Answer

What Are Similarities and Differences Between Console and Mini USB Interfaces?


A console interface can be connected to an operation terminal for onsite configuration. It must be used with a console cable. After a switch is powered on for the first time, you need to log in to the switch through the console interface to configure the switch.
A Mini USB interface is also used to connect the switch to an operation terminal. The Mini USB and console interfaces on a switch are multiplexed and enable connection to the switch through different types of physical interfaces. Only one of the Mini USB and console interfaces can be used at a time. The Mini USB interface is preferred.

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MIDI over CAT5 cable or MIDI over Fiber optic cables? Which is better and what are the differences?


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Your company has just moved to a new office building. The server has a fiber optic network adapter, but the building does not have fiber optic cables installed. How do you install a media converter?


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Rather than using a switch which will slow down your network traffic, you could just use a signal repeater. Better yet, why not just use fiber between your 2 locations?

Let me give you a clarification of what the MAX length really is:

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If you need to connect 2 specific servers located at different buildings another option that you have would be to create a Secure VPN link between the two using the Internet. Companies do it everyday and quite safely. I would recommend that if this is the route you take, make sure to include in your network design a hardware firewall and NAT based router using ACL's to control any unauthorized traffic or connections to either location at BOTH locations.

Hope that this information helps you out.

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Canary CFT-2062 connection diagram


I tried to answer this for you yesterday but FixYa didn't put it through I guess. I'll try again.

That device is a "Industrial Media Converter". It is for converting a 100BASE-TX LAN cable into a 100BASE-F fiber optic cable for long-range networking. (2km) There are two ways to use it.

One:
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For the first case; you will need some "Duplex" "multi-mode" fiber optic cable ($1.10 a meter) and an other one of those devices ($50~$300).

For the second case you will also need some fiber optic cable and you will need a network to tap in to. Of course you will need to clear everything with the company that owns that network before you can do any thing. And that’s assuming that they even use the same system level protocols.

To directly answer your question:

1: Hook the 100BASE-TX LAN port up to a PC, Hub, or a switch.

2: Hook up TWO multi-mode fiber optic cables to the device using CT style connecters. Hook one to the TX and one to the RX connectors on the unit.

3: Run the cable how you see fit.

4: Hook the other end up to the interfacing device. Be it joining it to an other cable in an existing network, or to another of those devices.

Note: The TX cable of one device goes to the RX of the other and visa-versa.

-Charlie

P.S. I also have one exactly like that one that I’m trying to find a use for.

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