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HWIC-1GE-SFP with GLC-EX-SMD

ogor
Level 1
Level 1

Hi,

Is it supported to have a HWIC-1GE-SFP with GLC-EX-SMD ? I have 12km to covert in gigabit over an SMF fiber.

or do I have to ordered GLC-ZX-SM ?

Many thanks in advance

Olivier

6 Replies 6

Reza Sharifi
Hall of Fame
Hall of Fame

Hi,

Sorry Reza but it's clearly writen than GLC-EX-SMD with HWIC-1GE-SFP are compatible.

I would like to use it on a Cisco 2921.

Best Regards

Olivier

Hi Oliver,

You are correct that the SMD is supported.  The question is not that.  The question you should be wary about is the STRENGTH of the laser to travel that short distance is too strong.  You will wind up either burning either ends of the SFP module or getting packet drops. 

Hi Leolaohoo

So it's better to use GLC-LX-SM ?

regards

Olivier

So it's better to use GLC-LX-SM ?

Heck yes!

Otherwise, you need attenuators.  Not just any attenuators.  You need the RIGHT kind of attenuators with a fixed amount of number.

Plus do you know how much cheaper is an LX compared to an SMD? 

hi Reza,

Isn't lx SMd for 10km n Olivia has 12 km to connect.

Regards

Lek

Sent from Cisco Technical Support iPhone App

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