Harmonic ProView 7000 - Page 96

Chapter 4 Element Management System (EMS) Element Properties Configuration
© 2011 Harmonic Inc. 96 ProView 7000 v.2.4, Rev. A
•QPSK 2/3
•QPSK 3/4
•QPSK 4/5
•QPSK 5/6
•QPSK 8/9
• QPSK 9/10
•8PSK 3/5
•8PSK 2/3
•8PSK 3/4
•8PSK 5/6
•8PSK 8/9
• 8PSK 9/10
• 16APSK 2/3
1
• 16APSK 3/4
1
• 16APSK 4/5
1
• 16APSK 5/6
1
• 16APSK 8/9
1
• 16APSK 9/10
1
■ Frame Size
2
– DVB-S2 only. Options:
❑ Normal frame (64,800 bits)
❑ Short frame (16,200 bits)
■ Pilot Symbols – DVB-S2 only. Options:
❑ Automatic
2
❑ On – the demodulator expects to find pilot symbols in the stream.
❑ Off – the demodulator does not expect not to find pilot symbols.
NOTE: Not finding pilot symbols when expected, or finding them when not expected, prevents
demodulator lock.
■ Physical Layer Scrambling Seed – Enables the user to set the value for the scrambling seed.
DVB-S2 only. Range: 0 – 262,141.
■ Roll-Off Factor – DVB-S2 only. Options:
❑ Automatic
2
❑ 20%
❑ 25%
❑ 35%
1. A license is required for 16APSK modulation. Only available with certain hardware configurations, see Appendix C on
page 185.
2. Only available with certain hardware configurations, see Appendix C on page 185.