| UBR7246VXR | uBR7246VXR, 4MC + 2PA slots, Clock Card slot, Fan Tray |
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| UBR7246VXR-MC14C | uBR7246VXR chassis, NPE-225, MC14C |
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| UBR7246VXR-MC14C= | uBR7246VXR chassis, NPE-225, MC14C, UPG, SPARE |
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| UBR7246VXR-4MC16C | 4 MC16C line cards, I/O-2FE/E(48MB), NPE-400(128MB) |
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| UBR7246VXR-4MC16E | 4 MC16E line cards, I/O-2FE/E(48MB), NPE-400(128MB) |
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| UBR7246VXR-4MC16S | 4 MC16S line cards, I/O-2FE/E(48MB), NPE-400(128MB) |
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| UBR7246VXR-4MC28C | 4 MC28C line cards, I/O-2FE/E(48MB), NPE-400(128MB) |
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| UBR7246VXR-NPE400= | uBR7246VXR Chassis-NPE400(128MB default mem) UPG,SPARE |
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| UBR7246VXR-NPE-G1= | uBR7246VXR Chassis-NPE-G1(def. 256MB mem,64MB cfd) UPG,SPARE |
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