Cisco 1 Port ISDN WIC-1B-U-V2 WAN Interface CardCisco ISDN BRI U WIC 1B V2 Ver. 2 Card Genuine with Hologram, ISDN BRI U WIC 1B V2 Product Information: The ISDN Basic Rate Interface (BRI) U WAN Interface Card version 2 (WIC 1B U V2) is now available as a replacement for the WIC 1B U card that is End of Sales. The WIC inserts into a mixed media network module or directly into the WIC slot on the Cisco 1700, 2600, 3600, 3700 chassis. The ability to add BRI connectivity via a WIC allows administrators