Fibre Module on switch

Where would I install a GBIC fibre module on a Netgear GS728TP ?  Also, what are fibre trays ?

Would appreciate some diagrams if possible.

Thanks
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discoveranotherAsked:
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sanjayrajtCommented:
Hi,

Ports 1–24 are 10/100/1000M AutoSensing Gigabit ports, and ports 25–28 are
100/1000M SFP ports. The first 8 ports are PoE+ providing 30W of DC power, and the
remaining copper ports are PoE (Power over Environment) providing 15.4W of DC power.

IF you fiber multimode (50/125micron/62.5/125micron) you can use  multimode SFP.up to . fiber single mode (9/125 micron) you can use  sigle mode SFP
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Tony GiangrecoCommented:
GBIC Modules allow you to connect that switch to a Fiber Optic cable for log quick runs between building, long distances and between heavy traffic points.

The speed of Fibre is VERY fast compared to a standard network Cat6/Cat5 conection.
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discoveranotherAuthor Commented:
Thanks for the excellent replies guys. Have to install 2 x HW Prosafe 1000Base-SX LAN SFP into 2 x Netgear GS728TP at in separate rooms. So I just connect the fibre modules into either of the two built-in SFP ports as per the diagram (point 4 shown) ? How does the fibre optic cable connect to the modules ? I need to patch into a fibre tray as well at each end.
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sanjayrajtCommented:
Hi ,
Once you connect SFP .Patch fiber cable you can use  multimode 50/125 micron or 62.5/125 micron same as your fiber cable..you can use fiber patch cord depending up on your patch panel. But the SFP side of fiber patch cord is LC end other please check you fiber patch panel may be it is LC,ST,FC etc
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patrickh99Commented:
Do not expect the speed of fiber to be faster than copper. 1Gb/s is 1Gb/s, no matter what the media.  The electronics at each end control the speed. Use fiber to get more distance between endpoints.
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Craig BeckCommented:
Fiber has a better BER than copper, so technically it's more reliable.  It's also less susceptible to interference-inducing factors which could affect throughput.

So, that would mean that a 1Gbps fiber connection 'could' be faster in practice than 1Gbps copper.
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Tony GiangrecoCommented:
If you run Fiber into a GIBC connection and plug it into a switch, the traffic speed slows down when it hits the 1Gb speed network cable that runs into the server or Pc.

While the data is traveling through the Fiber, it's very fast but slows down after leaving Fiber.

It is less likely to be effected by most situations that can effect Cat5 & Cat6.
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discoveranotherAuthor Commented:
Please see attached diagram. I'm a little confused about how to connect the fibre links from location to location. Location 1 has a fibre panel as such and location 2 as such.

Location 1 needs to be linked to location 2 through fibre links 6 & 7.

Location 2 panel doesn't say which fibre links connect to location 1.

The fibre cables to the switch GBIC modules need to be something similar to 'multi-mode SC/PC-Duplex' but to the fibre panel end need to be an 'ST' type of connection.
Fibre-Panels.doc
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sanjayrajtCommented:
Hi,

If you have a normal Laser light(red) you can identify the multimode cable.model of laser pen is attached probably low cost. we will get this pen in India less then 50 rupees.Qatar almost 10 riyal.it will not come more the 2 dollar.if you show the light in one patch panel end you can see illumination in other end.

Another way remove the patch panel upper head.you can find the color code of fiber cale.find the same in other end.

Normal sfp end suitable LC type .if your patch panel is ST.you can use ST-LC patch code.

you need to connect fiber TX-RX,RX-TX.means cross connect.then only communication will occur.
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discoveranotherAuthor Commented:
Thanks for the info. The pen may come in useful in the future. Let me know how to obtain it.

However, what I was actually wanting to clarify was, fibre panel in location 1 has 'two' links per number, whereas fibre panel in location 2 has 'one' link per number.

1) Does it matter which of the links on numbers 6 & 7 on fibre panel in location 1, the fibre cables connect to ?

2) Is it likely that as fibre panel  in location 1 connects on numbers 6 & 7, that location 2 will connect on 6 & 7 also ?
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discoveranotherAuthor Commented:
Silly question but does the fibre optic between locations replace ethernet between locations on a switch. For example, if fibre optic is used to link up two locations between switches, does this mean that users can connect to the network at each location through fibre optic and ethernet cabling to the switches is just used to connect up the appropriate network points from rooms ? Hope this makes sense.
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Craig BeckCommented:
I wouldn't use a laser pen to identify or test a fibre... Use an LED light pen instead.  That won't blind you :-)
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sanjayrajtCommented:
Hi,

"Silly question but does the fiber optic between locations replace Ethernet between locations on a switch".

Ethernet cable have limitations.It want work more the 120 meters including patch code.And Band width of Ethernet cable is basically very less depending up on fiber modules(GBICS) and we can easily upgraded fiber modules ,if we need higher band width.
if you change copper like and install fiber link b/w switches definitely you can communicate b/w those switches.


"I wouldn't use a laser pen to identify or test a fiber... Use an LED light pen instead.  That won't blind you :-)"

That won't make seance.2 Km fiber cables both single mode and multimode i personally checked it several times using fiber pen.but  it is not big thing but you need to point laser exact core position.it will give better visibility then LED.
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discoveranotherAuthor Commented:
Thanks guys, as per my previous question:-

However, what I was actually wanting to clarify was, fibre panel in location 1 has 'two' links per number, whereas fibre panel in location 2 has 'one' link per number.

1) Does it matter which of the links on numbers 6 & 7 on fibre panel in location 1, the fibre cables connect to ?

2) Is it likely that as fibre panel  in location 1 connects on numbers 6 & 7, that location 2 will connect on 6 & 7 also ?
Fibre-Panels.JPG
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Craig BeckCommented:
Usually the numbers match at each end of the fibre.

With reference to sanjayrajt's comment regarding using a laser pen, and then reiterating the point, I would strongly advise against that. Cheap lasers often provide more power than regulated units and can easily damage your eyes.  I would never be allowed to use one by my employer and the reasons why are clearly documented.

Please - don't look directly into a laser. Ever!
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sanjayrajtCommented:
Hi craigbeck ,

we can you Class 1 and Class 2 laser.(class 3R and class 3B,class 4R those category is harmful you will not get it in low price and those materials will not get normal shops.which one will cost more 10 thousand to lack's  Indian rupee)

The blink reflex of the human eye (aversion response) will prevent eye damage, unless the person deliberately stares into the beam for an extended period(means hours). Output power may be up to 1 mW. This class includes only lasers that emit visible light. Most laser pointers are in this category..

"1) Does it matter which of the links on numbers 6 & 7 on fiber panel in location 1, the fiber cables connect to ?
2) Is it likely that as fibre panel  in location 1 connects on numbers 6 & 7, that location 2 will connect on 6 & 7 also ?"


first time i am seeing this 7 Core 14 Core patch panel,normally 4 core,8,16 ,24,48 and 96 core. so better way to identify fiber cable how may core.Remove you fiber panel upper cover look carefully how may core spliced .normal fiber 2,4,8,16,24,48,96 core like that so some fiber patch panel port  will not be used. you can follow the fiber core color.it will help you the link b/w the panel,(if fiber encloser is not used intermediate connection)
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