Basic Information
- Manufacturer
- Cisco Systems
- Model
- SM25-56K2
- ╰ Also known as
- 2-Wire, Switched, 56-Kbps DSU/CSU
- Module Type
- WAN
- Form Factor
- SM25
- Release Year
- 1996
Data Interfaces
| Qty | Speed | Protocol / Signaling | Interface | Notes |
|---|---|---|---|---|
| 1x | 56 kbps | Switched 56 | RJ-11 (6P4C) | — |
Submitted by TheSerialPort on Feb. 22, 2026