Comtech EF Data Vipersat SLM-5650A, Инструкция по установке и эксплуатации

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SLM-5650A Satellite Modem
Revision 10
Specifications 2–6 MN-SLM-5650A
Table 2-8. Doppler Requirements
Parameter C-Band X-Band Ku-Band Ka-Band
Doppler Shift in Hz ±2475 ±3535 ±6045 ±11,810
Doppler Rate of Change in Hz/sec ±226 ±270 ±490 ±1046
Doppler Acceleration in Hz/sec
2
±243 ±290 ±526 ±1124
Table 2-9. Data Quality Performance Specification
Data Quality Performance Specification
Parameter Specification
OM-73 Compatible Mode Operating in the OM-73-compatible mode, SLM-5650A BER vs. E
b
/N
0
performance
with differential encoding and data scrambling enabled does not exceed values
shown in Table 2-10 through Table 2-15.
MIL-STD-188-165A
Compatible Mode
Operating with BPSK, QPSK, or OQPSK modulation in the MIL-STD-188-165A
compatible mode, SLM-5650A BER vs. E
b
/N
0
performance, with differential
encoding and data scrambling enabled, will be equal to or better than the values
shown in Table 2-10 (without Reed-Solomon) or Table 2-11 (with Reed-Solomon) as
tested in an IF back-to-back configuration over the BER range 5 x 10
-3
to 1 x 10
-7
.
Operating with 8PSK modulation and rate 2/3 pragmatic Trellis coding (without
Reed-Solomon outer coding), SLM-5650A BER vs. E
b
/N
0
performance is less than
or equal to the values shown in Table 2-12 when tested in an IF back-to-back
configuration.
Operating with 8PSK modulation, rate 2/3 pragmatic Trellis coding, and Reed-
Solomon (219,201) outer coding, SLM-5650A BER vs. E
b
/N
0
performance is better
than or equal to the values shown in Table 2-13 when tested in an IF back-to-back
configuration.
IESS-308 Compatible
Mode
When operating in the IESS-308 Compatible Mode, SLM-5650A BER vs. E
b
/N
0
performance is as specified in IESS-308.
IESS-309 Compatible
Mode
When operating in the IESS-309 Compatible Mode, SLM-5650A BER vs. E
b
/N
0
performance is as specified in IESS-309.
IESS-310 Compatible
Mode
When operating in the IESS-310 Compatible Mode, SLM-5650A BER vs. E
b
/N
0
performance is as specified in IESS-310.
16QAM Coding Mode The SLM-5650A operating in the 16QAM mode provides back-to-back BER vs.
E
b
/N
0
performance better than or equal to the values shown inTable 2-14 when
using the modulation formats indicated.
Turbo Coding Mode The SLM-5650A operating in the Turbo Code Mode provides back-to-back BER vs.
E
b
/N
0
performance better than or equal to the values shown in Table 2-15 when
using the modulation formats indicated.
Sequential Mode The SLM-5650A operating in the Sequential Mode provides back-to-back BER vs.
E
b
/N
0
performance better than or equal to the values shown in Table 2-16 when
using the modulation formats indicated.
LDPC Coding Mode The SLM-5650A operating in an LDPC Mode provides back-to-back BER vs E
b
/N
0
performance better than or equal to the values shown in Table 2-18 through Table
2-20 when using the indicated block size and modulation formats.