OpenAMIP setup for iDirect iNFINITI & Evolution
C-3
C.2 OpenAMIP setup for iDirect iNFINITI & Evolution
C.2.1 Protocol and interfaces
Introduction
The following sections describe the protocol and interface between the FV-110 ACU and
an iDirect OpenAMIP VSAT modem. OpenAMIP operation is normally used by service
providers offering global VSAT service as the protocol supports roaming between
satellites (Automatic Beam Switching).
OpenAMIP, an ASCII message based protocol invented and Trademarked by iDirect is a
specification for the interchange of information between an antenna controller (ACU) and
a VSAT modem (VMU). This protocol allows the VSAT modem to command the ACU to
search and lock to a particular satellite as well as allowing exchange of information
necessary to permit the VSAT modem to initiate and maintain communication via the
antenna and the satellite. In general, OpenAMIP is not intended for any purpose except to
permit a modem and the ACU to perform synchronized automatic beam switching.
Connections
Connect the ACU and iDirect modem with the following cables:
• Ethernet cable for TCP/IP data communication
• RS-232 console cable for signal strength indication (part number: 407090A-020)
• 75 Ohm RF cables F-F connectors for rx and tx frequencies.
It is important to connect this cable to achieve satisfactory acquisition of
the satellite. This is due to missing information in the iDirect OpenAMIP
software before version 3.1.1.2/13.0.1.2. RSSI information on the
dashboard will only be available with this cable connected.
Figure C-1: Connecting iDirect iNFINITI 5000 series to the ACU (OpenAMIP)
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