Mocomtech SLM-5650 - Manual (Page 28)

SLM-5650 Satellite Modem Revision 2
Introduction MN/SLM5650.IOM
1–8
1.8 Summary of Specifications
Table 1-1. Summary of Specification
Parameter Specification
Operating Frequency Range 52 to 88, 104 to 176, 950 to 2000 MHz,
in 100 Hz steps
Modulation Types BPSK, QPSK, OQPSK, 8-PSK, 16-QAM
Digital Data Rates 64 kbps to 5 Mbps, in 1 bps steps (EIA-530, EIA-613)
64 kbps to 10 Mbps, in 1 bps steps (EIA-530, EIA-613)
64 kbps to 20 Mbps, in 1 bps steps (EIA-530, EIA-613)
64 kbps to 51.840 Mbps, in 1 bps steps (EIA-613)
Symbol Rate Range 32 K S / S TO 30 M S / S
EXT REF Input TNC Connector, 1, 5, or 10 MHz selectable
INT REF Stability 1 x 10 -7
Scrambling V.35, OM-73, and Synchronous
IDR/IBS Framing Compatibility Support for IBS and IDR framing. Allows basic IBS/IDR Open
Network capable operation.
Built-in Test (BIT) Fault and status reporting, BER performance monitoring, IF
Loop-back, programmable test modes, built in Fireberd
emulation with all comprehensive BER measurements.
Summary Faults Reported via Front Panel LEDs, 9-pin D sub Alarm connector,
relay contacts for Tx, Rx, Common equipment faults, and Tx
and RX alarms. Open collector faults on the 15-pin D sub Aux
connector. Both data interfaces have open collector faults
available.
Monitor and Control EIA-485, EIA-232, 10/100 BASET Ethernet with HTTP, Telnet,
and SNMP.
Modulator Specification
Output Power
+10 – 40 dBm, adjustable in 0.1 dB steps
Output Return Loss -14 dB (70/140 MHz)
-9 dB (L-Band)
Output Impedance 50 Ω
Spurious From Carrier ± T X SR TO 500 MH Z –51 dBc (measured in a
10 kHz bandwidth)
Harmonics From Carrier (CW) to the greater of the 12
th
harmonic or
4000 MHz –60 dBc
Tx Clock Source Rx, INT, Tx Terrestrial, and Data Source Sync
Output Connections TNC for 52 to 88, 104 to 176 MHz
Type N for 950 to 2000 MHz
Modulation Timing Jitter < 3 % of the modulation symbol period.
Modulation Phase Error < 2 °
Modulator Spectral Inversion Modem can invert the modulated spectrum
Transmit Clock and Data
Inversion Modem can invert the Tx clock and data independently of each
other. (EIA-530, EIA-613)