Verilink ConnecT 56K DSU (896-502110-001) Product Manual - Manual (Page 15)

Switched 56 overview
ConnecT 56K DSU User Manual 1-5
Switched 56 overview
This dial-up 4-wire Digital Data Service allows customers to pay for data
connection only when the unit is active. The regional Operating
Companies provide the 4-wire local loop service to SW56 customers.
Switched 56 service is supplied by AT&T, U.S. Sprint and other
interexchange carriers. In SW56 mode the ConnecT 56K DSU supports
DTE rates of 2.4, 4.8, 9.6, 19.2, 38.4 (async or sync) and 56kbps (sync).
Additional DTE rate of 57.6kbps is available in async modes.