WIC-1B-S/T-V3

One ISDN BRI port (S/T interface, requires external NT1)

RJ-45 connector

Supported on Cisco 1700, 1800, 2600, 2800, 3660, 3700 and 3800 series (see tables below)

Cannot be used with Cisco 1603 or 1604 base units

Does not support hot swapping; however, no hardware damage will occur if it is swapped while power is on

Does not support the 1E2W, 2E2W, and 1E1R2W, NM-1FE2W, NM-2FE2W network modules

Supported Onboard, NM-1FE2W-V2, NM-1FE1R2W, NM-2FE2W-V2 and NM-2W