From PBX Wiki
The NTDK20 Small System Controller (SSC) is in charge of:
- Call Processing
- Storage of System and Customer data
- Providing various expansion interfaces
It includes the following:
- DRAM, Flash Daughterboard memory and Backup Memory
- Two interfaces to expansion daughterboards
- PC Card Socket
- Three SDI ports
- 32 Conference channels
- 64 with two single-port expansion daughterboards
- 96 with two dual-port expansion daughterboards
- 10 Mbps Ethernet interface
- 30 TDS channels
- 8 DTR or DTD ports
- Network Signaling
- Peripheral Signaling
- Additional Tone Service ports
- Four MFC/MFE/MFK5/MFK6/MFR ports
- Eight DTR/XTD ports
Required Hardware
The NTDK20 SSC requires the following in order to function:
- Software Daughterboard
- Security Device (dongle)
References
- Small System Overview - Document Number: 553-3011-010