User's Manual

Table Of Contents
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion® HSD-440 Mark 2 Terminal
23-15-30 1-3
3 JUN 10
Inmarsat’s I-4 satellites provide SwiftBroadband (SBB) services and Aero H+ services. The
three I-4 satellites are:
Americas
EMEA (Europe, Middle East and Africa)
Asia-Pacific
The HSD-440 Mark 2 Terminal, in conjunction with an ARINC 741/781 High-gain Antenna
(HGA), acts as an MES/AES. The combined system provides users with a data and voice
communications link to the satellite network and global telecommunications system.
2. Equipment Overview
HSD-440 Mark 2 Terminals are scalable, high-speed data, satellite communications terminals
that provide world-wide voice and data services to aircraft through high-speed communication
links with the Inmarsat Satellite Network. HSD-440 Mark 2 Terminals interface with ARINC
741/781-compatible antenna subsystems to communicate with the space segment of the
Inmarsat Satellite Network via L-band RF signals.
HSD-440 Mark 2 Terminals communicate with various avionics equipment, such as the aircraft’s
IRS and CMU, to coordinate and access a wide range of services. The HSD-440 Mark 2
Terminals also communicate with cabin and cockpit voice and data equipment to provide phone,
fax, Internet connection, and other services on board the aircraft.
HSD-440 Mark 2 Terminals contain the following:
One channel card for Swift 64 or SBB services
One Classic Aero multi-channel channel card
Data input/output (I/O) card
High stability reference oscillator
Control processor card
High Power Amplifier (HPA)
SDU Configuration Module (SCM)
Universal (115 V ac 400 Hz / 28 V dc) power supply
HSD-440 Mark 2 Terminals support the following services:
Inmarsat Mobile Integrated Services Digital Network (M-ISDN) Single Channel Per Carrier
(SCPC) Service
Inmarsat Mobile Packet Data Services (MPDS) via PPPoE
Inmarsat Aero P, R, T channel data
Two channels of Inmarsat Aero C channel H+ voice