WS-X6704-10GE -10GBASE-SR

Answered Question
Feb 18th, 2009

Hi All,

We have a 10G DWDM circuit terminated on 7600-sup720-3bxl (WS-X6704-10GE,10GBASE-SR) interface and we get below optical receive power measured on the router

sh interfaces tenGigabitEthernet 9/2 transceiver (o/p modified for simplicity)

Optical

Rx Power

Port (dBm)

------- --------

Te9/2 -2.6

We are trying to understand,what would be the cisco recommended optical rx power levels. Any help on this would be really appreciated.

Thanks

Regards

Anantha Subramanian Natarajan

I have this problem too.
0 votes
Correct Answer by Leo Laohoo about 7 years 11 months ago

You want the Data Sheet for Cisco 10GBASE XENPAK Modules? Here's the link:

www.cisco.com/en/US/prod/collateral/modules/ps2797/ps5138/product_data_sheet09186a008007cd00_ps5455_Products_Data_Sheet.html

Does this help?

Correct Answer by Tom Randstrom about 7 years 11 months ago

Per the following data sheet, the XENPAK-10GB-SR module has a receiver range of -1.0 (max) to -9.9 (min). Your -2.6 dBm input would fall within the range.

What transmit equipment (specs) is connected to this receiver port? Might you have a optical power meter handy to verify the router's reading (I can dream)?

<http://www.cisco.com/en/US/prod/collateral/modules/ps2797/ps5138/product_data_sheet09186a008007cd00_ps5455_Products_Data_Sheet.html>

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anasubra_2 Wed, 02/18/2009 - 14:02

Hi leolaohoo,

Thanks for the reply. We using a non-colured XENPAK and no wavelength mapping upto the router. Do you have a link where there is a data sheet for normal xenpak terminating 10gig interface on 10Gbase-SR interface type.

Thanks once again

Regards

Anantha Subramanian Natarajan

anasubra_2 Wed, 02/18/2009 - 16:46

Hi Leolaohoo,

Yes and thank you very much

Regards

Anantha Subramanian Natarajan

Correct Answer
Tom Randstrom Wed, 02/18/2009 - 13:58

Per the following data sheet, the XENPAK-10GB-SR module has a receiver range of -1.0 (max) to -9.9 (min). Your -2.6 dBm input would fall within the range.

What transmit equipment (specs) is connected to this receiver port? Might you have a optical power meter handy to verify the router's reading (I can dream)?

<http://www.cisco.com/en/US/prod/collateral/modules/ps2797/ps5138/product_data_sheet09186a008007cd00_ps5455_Products_Data_Sheet.html>

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