Product specifications

8–1
Chapter 8. SUMMARY OF
SPECIFICATIONS
8.1 Summary of Specifications
Description Requirements
Type: DVB-S2
DVB-S
DVB-DSNG
EN 302 307
EN 301 421
EN 301 210
Symbol Rate: DVB-S
DVB-S2
DVB-DSNG
1 to 45 Msps
1 to 45 Msps (QPSK, 8PSK), 35 Msps (16APSK), 28 Msps (32APSK)
1 to 45 Msps
Data Rate Corresponds to symbol rate. See paragraph 8.10
Symbol Rate / Data Rate See modulator/demodulator
Modulation/FEC:
DVB-S2
DVB-S
DVB-DSNG
QPSK 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 LDPC + BCH
8-PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10 LDPC + BCH
16-APSK 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 LDPC + BCH
32-APSK 3/4, 4/5, 5/6, 8/9, 9/10
QPSK 1/2, 2/3, 3/4, 5/6, 7/8 Convolutional + Reed Solomon
8-PSK 2/3, 5/6, 8/9 Convolutional + Reed Solomon
16-QAM 3/4, 7/8 Convolutional + Reed Solomon
Operating Modes CCM only
Transport Streams Only Single Transport Stream supported
Spectral Mask 20%, 25%, or 35% (per DVB-S, DSNG, S2) – See Figure 8-1 and Table 8-1.
M&C/Remote Port RS-232 and RS-485 2W/4W with Comtech EF Data protocol
10/100 Base-T Ethernet with HTTP, SNMP or Telnet
Physical (PL) Layer
Scrambling
User specified value (one) of n = 0 to 262,141, per EN 302 307.
Pilot Insertion Selection for On or Off
Reflash Ethernet port
Frequency Reference Selectable
Internal Reference
10 MHz for data and IF, stability
±
1.5 ppm
External Clock For data interfaces only, not IF. Clock Input depends upon data interface module.
External Ref
1, 2, 5, 10 or 20 MHz for IF, internally phase locked. Input is 50 or 75Ω compatible
with 0.5 to 4.0 Up-p sine or square wave. Requires high stability source.