4 summary of specifications – Comtech EF Data SLM-5650A User Manual
Page 40

SLM-5650A Satellite Modem
Revision 8
Introduction
MN-SLM5650AMN-SLM5650A
1–12
1.4 Summary of Specifications
General Specifications
Parameter
Specifications
Operating Frequency Range
52 to 88, 104 to 176, 950 to 2000 MHz ( in 100 Hz steps).
Modulation Types
BPSK, QPSK, OQPSK, 8PSK, 8QAM, 16QAM.
Digital Data Rates
•
64 kbps to 2.5 Mbps, in 1 bps steps (EIA-530, EIA-613)
•
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, LVDS)
• 64 kbps to 155.52 Mbps, in 1 bps steps (GBEI, Network Processor)
Symbol Rate Range
32 Ks/s to 64 Ms/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 Specifications
Parameter
Specifications
Output Power
+10 to -40 dBm, adjustable in 0.1 dB steps.
In Extended Temperature Range of -32° to 0° C, TX Power accuracy
is +/- 1.5 dB
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).