UBR7246VXR  
Product Description: 4MC +2PA Slots, Clock Card Slot, Fan Tray

UBR7246VXR-4MC16C  
Product Description: 4 MC16C Line Card, I/O-2FE/E(48MB), NPE-400(128MB)

UBR7246VXR-4MC16E  
Product Description: 4 MC16E Line Card, I/0-2FE/E(38), NPE-400(128MB)

UBR7246VXR-4MC16S
Product Description: 4 MC16S Line Card, I/0-2FE/E(38), NPE-400(128MB)

UBR7246VXR-4MC16U
Product Description: 4UBR-MC16U Line Card

UBR7246VXR-4MC16U=
Product Description: 4UBR-MC16U Line Card, Spare

UBR7246VXR-4MC28C
Product Description: 4MC28C Line Cards, I/O-2FE/E948MB), NPE-400(128MB)

UBR7246VXR-4MC28U
Product Description: 4 UBR-MC28U Line Card

UBR7246VXR-4MC28U=
Product Description: 4 UBR-MC28U Line Card, Spare

UBR7246VXR-MC14C
Product Description: uBR7246VXR Chassis, NPE-225, MC14C, UPG

UBR7246VXR-NPE225
Product Description: uBR7246VXR Chassis-NPE225 (128MB Default Memory) Upgrade

UBR7246VXR-NPE400
Product Description: uBR7246VXR Chassis-NPE400 (128MB Default Memory) Upgrade

UBR7246VXR-NPE400=
Product Description: uBR7246VXR Chassis-NPE400(128MB Default Memory) Upgrade, Spare 

UBR7246VXR-NPE-G1
Product Description: uBR7246VXR Chassis-NPE-G1 (def. 256MB Memory, 64MB cfd), Upgrade 

UBR7246VXR-NPE-G1=
Product Description: uBR7246VXR Chassis-NPE-G1 (def. 256MB Memory, 64MB cfd), Upgrade, Spare 

CHAS-UBR7246VXR
Product Description: uBR7246VXR Chassis

CHAS-UBR7246VXR=
Product Description: uBR7246VXR Chassis, Spare