Introduction
Page 1-8
Reference Guide: SM6610, SM6615, SM6620 and SM6625 Satellite Modulators
ST.RE.E10152.2
1.4 Key
Features
1.4.1 Standard
Features
•
QPSK modulation in accordance with ETSI standard EN 300 421
(DVB-S)
•
Variable symbol rate operation: 1 to 48 Msymbol/s
•
User selectable spectrum roll-off factor: 20%, 25%, 30% and 35%
•
Two DVB ASI electrical inputs
•
Transport stream rate adaptation with PCR correction
•
IF output frequency: 50 to 180 MHz, tuneable in 1 kHz steps (Models
SM6610 and SM6620)
•
L-band output frequency: 950 to 1750 MHz, tuneable in 1 kHz steps
(Models SM6615 and SM6625)
•
Low spurious IF/L-band outputs
•
Front panel LCD display and 6-button keypad
•
RS-232/485 control, backwards compatible with System 3000 and
evolution 5000 SM5600 Satellite Modulators
•
Dual-redundant 10BaseT Ethernet control
•
Software and firmware easily upgraded by remote Ethernet FTP
•
Feature enabling by factory entry of licence keys
1.4.2 Optional
Features
•
Two additional DVB ASI electrical inputs (i.e. four in total) and one
DVB SPI input
•
Higher order modulation in accordance with ETSI standard EN 301 210
(DVB-DSNG): 8PSK and 16QAM
•
PREKOR™ Dynamic Pre-correction (available on models SM6620 and
SM6625 only)
•
Extended symbol rate range: 0.2 to 66 Msymbol/s
1.5 Applications
1.5.1 DVB
Applications
•
Satellite DTH broadcasting
•
Satellite distribution
•
DSNG systems where a separate Modulator is required
•
SCPC and MCPC systems
1.5.2 Non-DVB
Applications
•
Telecommunications
•
Internet backbone
Содержание SM6610
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