Cisco 1-Port T1 Fractional T1 DSU CSU WAN Interface Card

NOTE: This product is no longer being sold and might not be supported.

View the End-of-Life Notice to learn: 

  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

Provides a single serial connection at speeds up to T1 rates. This Interface card inserts into a Cisco mixed-media network module or directly into a Cisco WIC expansion slot.

Let Us Help