T1 Hardware Features
Audible Ring generation
- Generates ring tone back to calling party
Diagnostics and management
- Full internal testing of all band channels and modems on power-up
- Dedicated out-of-band channel for monitoring and control of T1 engine
Supported T1 signaling and framing options
- Loop start, ground start, E&M Type II (Wink, Immediate)
- D4 and ESF frame formats
- AMI and B8ZS line coding
- Full facilities data link (FDL) supports: ANSI & AT&T