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M ODEM PORT PROTOC OL
ETHERNET I /O CONSOLE
5. MODEM PORT* is to select a proper data communication port on the ACU to interface
with the modem.
PROTOCOL*
I/O CONSOLE: is a protocol for interchanging of information (GPS Out, TX mute, and
modem lock) between the ACU (through Console port) and a modem.
OPEN AMIP: is an ASCII based protocol developed by iDirect for interchanging of
information between the ACU and a modem. OpenAMIP is not intended for any purpose
except to allow the ACU and a modem to perform synchronized automatic beam
switching (ABS).
SERIAL GPS: is a protocol for sending GPS Out information from the ACU (through
RS232/422 port) to a modem.
ROSS: ROSS Open Antenna Management (ROAM) protocol is developed by Comtech
EF Data Cooperation to offer common management interface for Comtech EF Data's
Roaming Oceanic Satellite Server (ROSS) and ACU.
6. GPS OUT SENTENCE* is to select the GPS OUT SENTENCE type USE TX MUTE is
to select whether or not to USE TX MUTE function from the satellite modem. A transmit
inhibit output from the ACU will disable/mute the modem transmit via a voltage whenever the
antenna is blocked, searching, or is mis-pointed 0.5 degrees from the peak satellite position.
Set modem protocol
Use TX mute
G PS O UT SENTE NCE USE TX MUTE
GPGLL YES
GPS OUT SENTENCE*
GPGLL
GPGGA
SIMPLE GPGGA
MODEM PORT*
ETHERNET
RS422
RS232
PROTOCOL* is to select a proper communication protocol on the ACU to
interface with the modem.
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