Cisco XR 12000 Series Line Cards

Part Number	Description
12000-SIP-401	Engines (Modular)Multirate 2.5G IP Services (Modular)
12000-SIP-601=	Multirate 10G IP Services Engine (Modular)
12000-SIP-601	Multirate 10G IP Services Engines (Modular)
12000-SIP-401=	Multirate 2.5G IP Service (Modular)
12000-SIP-501=	Multirate 5G IP Services Engine (Modular)
12000-SIP-501	Multirate 5G IP Services Engines (Modular)