Cisco Series Routers and Cisco VXR Routers Slot Numbering. Port Adapter Slots in the Cisco Series Router. The eight-port adapter requires only a single slot in a Cisco. Cisco VXR Routers Slot Numbering. The slots are numbered. In Cisco series routers, port adapter slots are numbered from the lower left to the upper right, beginning with port adapter slot 1 and continuing through slot 2 for the Cisco , slot 4 for the Cisco and Cisco VXR, and slot 6 for the Cisco and Cisco VXR. Cisco VXR routers have four slots for port adapters, and one slot for an input/output (I/O). . Cisco routers have two port adapter slots. Cisco routers. Cisco VXR NPE-G2 Network Processing Engine. Product families: UBRVXR, UBRVXR. Find many great new & used options and get the best deals for Cisco VXR 6-Slot Chassis Series CiscoVXR *Free Shipping* at the best online. SKU: Part Number: NPE-G2. It provides up to eight full-duplex serial interfaces for the Cisco 72Series routers. Cisco - CI/O-2FE/E - Cisco Input/Output Controller with Dual 10/ Ethernet ; Expansion Slots: 2 x PC Card ; Interfaces: 2 x Base-TX - RJ -. [HOST] › null › null › null › null › null › null. Controller card · CISCO. Cisco Series Routers and Cisco VXR Routers Slot Numbering.