The Cisco 1-Port BRI U High- Speed WAN Interface Card offers BRI-U-based WAN connectivity for modular routers deployed in small to medium-sized businesses (SMBs) and enterprise branch offices.
0.8" Height x 2.8" Width x 4.8" Depth
1-Port ISDN BRI U interface High-Speed WAN Interface Card
1 x ISDN BRI (U)
Wide Area Network
1 x RJ-49C ISDN BRI (U)