The slots are numbered. Cisco Series Routers and Cisco VXR Routers Slot Numbering. 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 -. 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. Port Adapter Slots in the Cisco Series Router. Cisco VXR Routers Slot Numbering. Cisco VXR NPE-G2 Network Processing Engine. Controller card · CISCO. Cisco routers have two port adapter slots. [HOST] › null › null › null › null › null › null. It provides up to eight full-duplex serial interfaces for the Cisco 72Series routers. Cisco routers. Cisco VXR routers have four slots for port adapters, and one slot for an input/output (I/O). . The eight-port adapter requires only a single slot in a Cisco. Product families: UBRVXR, UBRVXR. Cisco Series Routers and Cisco VXR Routers Slot Numbering. 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.