- U-Interface network termination device and terminal adapter
- Provides for dial-up or leased line access
- Synchronous data transfer rates from 2400 bps to 128 Kbps
- Asynchronous rates from 300 bps to 115.2 Kbps
- Remote configuration over the ISDN line
- Multilink PPP or BONDING protocols for aggregating 64 Kbps B-Channels
- Front panel or VT100 configuration
- Dialing via front panel, stored numbers, DTR assertion, AT commands, V.25 bis or RS-366
- V.35, EIA-232 or EIA-530 interface
- Rackmount version of Smart 16/16e shelf available without Multilink PPP or RS-366
- Switch type of support includes National ISDN-1, Lucent 5ESS, Nortel DMS-100 and NEC