1. 3U 19” 19-slot chassis with 1 slot for Network Management Card (NMC), 15 slots for Line cards,  2 slots for Power and 1 slot for Fan modules

2. 1U 19” 8-slot chassis with 1 slot for Network Management Card (NMC), 5 slots for Line cards and 2 slots for Power & Fan modules

3. 2-slot mini-chassis with 1 slot for Network Management Card (NMC) and 1 slot for Line card

4. All modules and line cards are hot-swappable

5. Support power redundancy with load sharing mechanism, and also AC/DC power options

6. Configurable and scalable features:

    -Use different SFP modules for line card, and adjust data rates as needed       

7. Fully 3R (Re-amplify, Re-shape and Re-clock) based design. Perform full 3R signal regeneration and is protocol transparent

8. Support out-of-band management via Web-based, CLI(Local Console or Telnet ) and SNMP(V1,V2C and V3) management

9. Support system log

10. Support remote firmware upgrade

11. Various SFP/SFP+ options support Digital Diagnostic Monitoring Interface(DDMI)

12. Programmable link fault pass-through (LFP), or referred to as remote fault detection (RFD) feature

13. Remote power on/off detection with dying gasp alarm

14. APS line protect function with less than 50 ms switch-over time

15. Loopback capability for link integrity test, support both line side loopback and client side loopback

16. Support hardware management such as chassis info, system info, line card type, card version, card location, port description etc.

17. Alarm for link status, card plug-in/remove and power on/off

18. Various applications -media conversion, signal repeating, wavelength conversion, redundant links.