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New Member

OC3 SR-1/STM1 MM

Hello,

I have Cisco 7304 router with SPA-2XOC3-POS and sfp module in it.

Show inventory for this sfp:

NAME: "SFP 3/0/0", DESCR: "OC3 SR-1/STM1 MM"

PID: TRPD03MM3EAS-CS , VID: A , SN: OCP....

show hw-module subslot 3/0 brief optics

Show brief info for subslot 3/0:

POS3/0/0:

ID: SFP

Extended ID: 4

Xcvr Type: OC3 SR-1/STM1 MM (1)

Connector: LC

Vendor name: CISCO-OCP

Product Identifier (PID): TRPD03MM3EAS-CS

State: Enabled

Does anybody know what "OC3 SR-1/STM1 MM" stands for (SFP-OC3-MM, SFP-OC3-SR, SFP-OC3-IR1)?

Regards,

JM

5 REPLIES
Hall of Fame Super Gold

Re: OC3 SR-1/STM1 MM

MultiMode fiber. Other types are Single Mode fiber, in Short Reach and Intermediate Reach flavors.

Hope this helps, please rate post if it does!

New Member

Re: OC3 SR-1/STM1 MM

That's what I thought (because of MM leters), but SR-1 mislead me. Do you know what SR-1 stands for?

Hall of Fame Super Gold

Re: OC3 SR-1/STM1 MM

Short Reach. You can easily find the nominal distance coverage on cisco or other websites.

There is also an optical forum here and the talk about that stuff all the time.

New Member

Re: OC3 SR-1/STM1 MM

I have checked this site:

http://www.cisco.com/en/US/partner/prod/collateral/modules/ps5455/ps6579/product_data_sheet0900aecd80285547.html

SFP-OC3-MM multimode

SFP-OC3-SR singlemode

"OC3 SR-1/STM1 MM" has SR and MM phase that's I am confused.

Are you sure "OC3 SR-1/STM1 MM" stands for SFP-OC3-MM?

Hall of Fame Super Gold

Re: OC3 SR-1/STM1 MM

Yes. The mentioned document seems very clear to me.

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