Technical Specification
Description Specification
470 kbps to 200 Mbps
DVB-S2 SHORT and NORMAL FEC Block
SHORT Block 16kbit
3
/
4
,
4
/
5
,
5
/
6
,
8
/
9
NORMAL Block 64kbit
3
/
4
,
4
/
5
,
5
/
6
,
8
/
9
,
9
/
10
Modulation Type & FEC
Rate
QPSK :
DVB 1/2, 2/3, 3/4, 5/6, 7/8 with RS (204,188), Optional
8PSK:
DVB-DSNG PTCM Rate 2/3, 5/6, 8/9 with RS(204,188), Optional
16QAM, Optional:
DVB-DSNG PTCM Rate 3/4, 7/8 with RS(204,188) code
Modulation Roll-Off
Factor
12% to 35% with 1% resolution
Configurable Forward
Error Correction
DVB-S/DVB-DSNG Coding
DVB-S2 SHORT and NORMAL FEC Block
SHORT Block 16kbit ¼
*
,
1
/
3
*
,
2
/
5
*
,
1
/
2
*
,
3
/
5
,
2
/
3
,
4
/
5
,
5
/
6
,
7
/
8
,
8
/
9
NORMAL Block 64kbit ¼
*
,
1
/
3
*
,
2
/
5
*
,
1
/
2
*
,
3
/
5
,
2
/
3
,
4
/
5
,
5
/
6
,
7
/
8
,
8
/
9
,
9
/
10
* Only available in QPSK according to DVB-S2 Specification
Data Management Interfaces
Monitoring & Control
(M&C)
Front Panel: as standard
External M&C Interface: 10/100Base-T, RS-232, RS-485, SNMP
Receiver ASI Interface Encoded Line Rate: 270 MSymbol ± 100 ppm
Min Sensitivity (D21.5 idle pattern): 200 mV
Max Input Voltage: 880 mV p-p
Discrete Connector Return Loss: ≥15 dB
Max. Distance: 150 m
Power, Physical & Environmental
Power AC option: Auto sensing 95-265 V AC, 50-60 Hz
DC option: 48 V DC nominal (range +32 to +72 V DC)
Typical Power Dissipation
25 W
Physical The SBM75e is a rack-mountable 1RU EIA chassis.
Height: 4.4 cm (1.75”)
Width: 43.2 cm (17”) without ears and 48.26 cm (19”) with ears
Depth: Configuration Dependent – 40.6 cm (16”) to 50.8 cm (20”) max.
Weight: 5 kg (11lb) maximum
Environmental Operating:
SBM75e Series Modulator Installation and Operation Manual
A-3
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General