ViaSat MEOLink, Руководство пользователя

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1141780,
Rev 002vx
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MEOLink User Manual
Table 5: Modem Configuration Parameters
Field Definition/Configuration
General Properties
Modem Mode Rx Only, Tx Only, Teleport Rx only, or Normal (Full Duplex)
Local Site ID 12-bit VLAN ID
Web Lockout Blocks web user from making configuration changes to the modem.
Frequency Reference 10 MHz external reference is used if “External” is selected; otherwise
internal reference signal is used.
Header Compr Op Enables/Disabled Ethernet Header Compression
Tx Properties
Tx Operation Enable/Disable Transmit Signal
Symbol Rate Symbol Rate, 10 to 180 Msps, 1 Msps steps
Matched Filter Rolloff (0.20, 0.25, 0.35) of the square-root raised cosine transmit
data shaping filter
BUC Reference Enable/Disable block upconverter (BUC) operation
IF Frequency Transmit IF Frequency, 950000 to 2450000 kHz, 0.1 kHz steps
IF Power Transmit Power Level, -25 to -5 dBm, 0.1 dB steps
Set Power See 3.2.5.2.1
Custom Filter File Enable/Disable Filter File. When enabled, uses Custom filter file
based on Matched Filter parameter (transmit DVB-S2 roll off
selection).
Rx Properties
Demod Select Select Demod A or Demod B
Demod A IF Frequency Demod A Frequency, 950000 to 2450000 kHz, 0.1 kHz steps
LNB Ref Operation Enable/Disable low noise block (LNB) operation (both Demods)
HO Time Limit Sets satellite handover time limit. Once handover is initiated,
handover occurs even if the handover demod does not achieve sync
(e.g., in a rain fade)
Symbol Rate Symbol rate in Msps (for both Demods)
Demod B IF Frequency Demod B IF Frequency, 950000 to 2450000 kHz, 0.1 kHz steps
LNB DC Power Enable/Disable LNB DC Power (both Demods)
Initiate Handover See 3.2.5.2.2
3.2.5.2.1 Set Power Button
Clicking on the Set Power button prompts an “okay” message is transmission levels are
deemed sufficient. Otherwise, edit the IF power values as directed by the installer. This is a
dynamic change that does not cause the transmit signal to be disabled.