S R A / S F X 2 1 0 0 S E R I E S S A T E L L I T E R E C E I V E R
149
LNB DC Power:
+18 VDC at 350 mA maximum (horizontal polarity),
or +13 VDC at 350 mA (vertical polarity), center
conductor positive, short circuit protected.
Optional voltages available: +15 VDC at 350 mA
(horizontal) and +11 VDC at 350 mA (vertical).
LNB Requirement:
DRO type for data rates above 5 Ms/s, except for:
PLL type for rates below 5 Ms/s (BPSK/QPSK), 22
Ms/s (8PSK), and 6 Ms/s (16QAM).
LNB Control:
22 kHz 650 mV,
OFF selects 950 to 1950 MHz and
ON selects 1100 to 2150 MHz.
FEC Type:
DVB concatenated Viterbi and Reed-Solomon
(Reed-Solomon at 204/188).
Viterbi FEC Rates:
1/2, 2/3, 3/4, 5/6, 7/8 (BPSK/QPSK),
2/3, 5/6, 8/9 (8PSK),
3/4, 7/8 (16QAM).
Alpha Factor:
0.35 DVB (BPSK/QPSK),
0.25 DVB (8PSK/16QAM).
Front Panel Indicators
LOCK:
Indicates RF locked or unlocked to DVB carrier.
STATUS:
Indicates normal operation or fault.
R/W:
Indicates storage (hard drive) reads & writes.
CONTROL:
Indicates receiver control channel (NetManager) activity.
SYNC:
Indicates authorization and data activity status for sync port.
ASYNC:
Indicates authorization and data activity status for async port.
NETWORK:
Indicates authorization and data activity status for all network devices.
OPTIONS:
Indicates status of conditional access option.
Synchronous Port
Connector Type:
DA-15S
Electrical Interface:
X.21 (RS-422 levels)
Synchronous Rate:
1200 b/s to 10 Mb/s
Asynchronous Port
Connector Type:
DE-9P
Electrical Interface:
RS-232
Asynchronous Rate:
300 b/s to 115.2 kb/s
