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Here is a good document to give you some insight on what you are looking for:<br />
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<a href="https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/gigabit-ethernet-gbic-sfp-modules/product_data_sheet0900aecd8033f885.pdf" rel="ugc">https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/gigabit-ethernet-gbic-sfp-modules/product_data_sheet0900aecd8033f885.pdf</a><br />
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Fron this link it looks like 1000BASE-LX/LH SFP would be your go to. Give the link a read to see if that meets your requirements.
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Here is a good document to give you some insight on what you are looking for:

https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/gigabit-ethernet-gbic-sfp-modules/product_data_sheet0900aecd8033f885.pdf [https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/gigabit-ethernet-gbic-sfp-modules/product_data_sheet0900aecd8033f885.pdf]

Fron this link it looks like 1000BASE-LX/LH SFP would be your go to. Give the link a read to see if that meets your requirements.

EdwinPJr

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Any fiber experts out there? &nbsp;I need to know that I am about to purchase the correct SFP modules for the following scenario: &nbsp;2 - Cisco 2960S-48LPS-L switches need to communicate over a 1000' link of OM1 single-mode fiber. &nbsp;The switches are running &nbsp;iOS ver 12.2(55)SE8. &nbsp;What SFP part number do you come up with?
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Any fiber experts out there?  I need to know that I am about to purchase the correct SFP modules for the following scenario:  2 - Cisco 2960S-48LPS-L switches need to communicate over a 1000' link of OM1 single-mode fiber.  The switches are running  iOS ver 12.2(55)SE8.  What SFP part number do you come up with?

I need help confirming the correct SFP module for this application.

Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).