Cisco 3900 Series Small Form Factor Pluggable Options

Part Number	Description
DWDM-SFP-5252-RF	DWDM SFP 1552.52 nm SFP (100 GHz ITU grid) REFURBISHED
DWDM-SFP-5575-RF	DWDM SFP 1555.75 nm SFP (100 GHz ITU grid) REFURBISHED