Node
- N2021
- No slots
- Native interfaces (Ethernet, voice, video, Low speed data, I/O)
- Redundant PSU
- Integrated Network Card
Node
- N50/N70
- No slots
- Native interfaces (max port count, none cumulative : 48GbE copper or PoE, 24 GbE SFP, 21 E1, 2x10GbE)
- Redundant PSU
- Integrated Network Card
Interface - Ethernet
- ET100AE
- Compatible with OTN-Classic, OTN-X3M
- Ports: 4x10/100 - 1xGigE
- 5 SLAN
Interface - Time Division Multiplexing
- E1/T1
- Compatible with OTN-Classic, OTN-X3M
- Ports: 4
Interface - Voice
- HQAUD-M and S
- Compatible with OTN-Classic, OTN-X3M
- Ports: 2
- High quality audio
Interface - Voice
- So-P and So-T
- Compatible with OTN-Classic, OTN-X3M
- Ports: 6 on P - 3 on T
- ISD,
Interface - Voice
- UNIVOICE
- Compatible with OTN-Classic, OTN-X3M
- Ports: 8
- FXS/FXO/E&M plug on
