Chapter 8. Summary Of Specifications; Summary Of Specifications - Comtech EF Data CDM-710 Installation And Operation Manual

8.1

Summary of Specifications

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