COBHAM EXPLORER 8000 Series User Manual

Serial setup for iDirect iNFINITI & Evolution
98-145510-E Appendix C: VSAT modem settings C-22
VSAT modem option file
The option file of the VSAT modem must also include the following information:
Section in
option file
Description
Satellite
information
Receive frequency of the transponder. Used with “rx freq” command
Transmit frequency if known, otherwise just a dummy tx frequency
(e.g. 1.450 MHz). Used with “tx freq” command.
VSAT system
information
The modem provides RX and TX frequency information via a data
connection to the EXPLORER VSAT system.
The VSAT system has an extended 8 Watt BUC with LO up conversion
frequency of 12.8 GHz.
GPS The iDirect modem must be set to mobile unit and receive the GPS
information from the ACU with the command “latlong <lat> <long>”.
Tx handshake must be disabled in the iDirect modem.
Rx 10 MHz
The VSAT system can work either using the Rx or Tx 10 MHz reference
signals provided by the modem or using its own built-in 10 MHz
reference signal. It is recommended to use the Tx 10 MHz reference
signal from the modem. See also page 6-6 (setup of modem profiles).
Tx 10 MHz The VSAT system needs the Tx 10 MHz reference signal in order to
allow TX ON.
Table C-19: Requirements for VSAT modem option file, Serial

COBHAM EXPLORER 8000 Series Specifications

General

Brand	COBHAM
Model	EXPLORER 8000 Series
Category	Marine GPS System
Language	English