Cisco Switch Uplinking Question

Posted on 2014-12-02
Last Modified: 2014-12-04
I am looking to uplink a Cisco sg200-50 to a sg200-26 via the mini-GBIC port with a optical transceiver or a distance of about 30 meters.  The part for the transceiver for the 1000 Base is the MGBBX1.  But what I am confused on is the Cisco Mini-GBIC SFP Transceiver Quick Start Guide says "For the Cisco MGBBX1, use the Cisco GLC-BX-D as the
downstream SFP."  I am not sure what that means do I need two different modules?  I just want to add another switch in the back of the building and connect the two via fiber.  Can someone who knows what they are doing please give me some guidance.  I called Cisco pre sales and they are trying to pawn me off the a partner to try and sell me on having them do the installation.
Question by:cameljoe121
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LVL 28

Accepted Solution

asavener earned 500 total points
ID: 40476586
For a 30 meter run, why not use the multi-mode mode fiber module (MGBSX1)?  Multi-mode fiber is cheaper than single-mode.

For that matter, for a 30m run, why not just run copper and be done?

The technology that you're trying to use is for single-strand fiber, which means you should connect an upstream SFP to a downstream SFP.

1000BASE‑BX10       Single-mode fiber, over single-strand fiber:

Author Comment

ID: 40476621
That is what I am trying to wrap my head around I have never unlinked a switch before.  I know I have used fibre for SAN switches and I justed used the 50/125 LC-LC cable which I am sure you know has two strands one for sending and one for receiving.    Can you suggest what would be the best and cheapest way to uplink two Sg200's series switches I thought fiber would have the best data throughput.
LVL 28

Expert Comment

ID: 40476679
Gigabit is gigabit, doesn't matter whether it's copper or fiber.

Cheapest way is probably to just run Cat5 cable and use an existing port.
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Author Comment

ID: 40476707
So would this be the correct module to use multimode fiber to uplink to two switches?  MGBSX1.  I would just need two of these and the cables to connect the two switches?  Thanks for all your help
LVL 17

Expert Comment

ID: 40476732
Agree with ASAVENER, the MGBBX1 is probably overkil,l the typical distance for it is 40km. the MGBSX1 which asavener mentioned is rated for 300m which is more than enough for your 30m Run. on the same token, Cat6  max length is 100m so you could use one of your Gig ports to uplink.
LVL 17

Expert Comment

ID: 40476738
LVL 50

Expert Comment

by:Don Johnston
ID: 40476793
Why wasn't asavener's response accepted as the answer?

Author Comment

ID: 40480419
Because I accidentally selected the wrong answer as being the best way to answer my question and I could not reopen it. I sent a email to EE for assistance.

Author Closing Comment

ID: 40480422
Yes be careful when selecting the correct solution. I chose the incorrect solution and award points unfairly due to rushing.

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