Comtech EF Data SLM-5650A Installation And Operation Manual page 354

Data Rate – Enter the transmit data rate, in kbps.
Frequency – Enter the transmit frequency, in MHz, in 100-Hz steps. Note that:
•
The range for 70/140 MHz operation is 52-88 MHz or 104-176 MHz.
•
The range for L-Band operation is 950-2000 MHz.
Spectrum – Use the drop-down list to select Normal or Invert. Use this to counteract frequency
converters that invert the spectrum.
Scrambler – Use the drop-down list to select (for energy dispersal):
Selection
V.35
Modified-V.35
IBS
Turbo
OM73
Synch
Off
Tx Power Level – Enter a value, in 0.1 dB steps, from -40 dBm to +10 dBm.
Carrier – Use the drop-down list to select:
Selection
On
RTS
VSAT
Off
Appendix E
ITU standard
Comtech EF Data Closed Network with Reed Solomon compatible (modified V.35)
Used for IESS-309 and AUPC operation
Synchronous scrambler synchronized to the Turbo block
Linkabit OM-73 modem compatibility mode
Synchronous scrambler synchronized to the Reed-Solomon
Disables scrambling
Enables carrier.
Request to Send. RTS is an interface signaling control. If enabled, RTS can be used to
control the output state of the modulator. Only available when using either the EIA-530 or
HSSI interface.
VSAT mode ties control of the Transmit Signal to the status of the Receiver. If the receiver
is Locked the Transmitter is Enabled. If the receiver is Unlocked the Transmitter will be
disabled.
Disables carrier.
E–32
SLM-5650A Satellite Modem
Description
Description
Revision 10
MN-SLM-5650A