User's Manual

Table Of Contents
Page 1–43
18 September 2007
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-128 High-speed Data Terminal
Figure 1–13. Combined/Selective Mode System Block Diagram
HPA
(60W)
Channel
Card 2
Channel
Card 1
Data I/O
Card
Control Card
D/LNA
ACU
SDU
ARINC 741
Antenna
Splitter
Splitter
TX RX RXTX
RFU RX
RFU TX
Oscillator
10 Mhz
Front Panel DB25S
LEDs
Reset
Maintenance Port
MPDS (1)
Circuit Switched (ISDN 2)
Circuit Switched (ISDN 1)
RX
TX
Tx/Rx
Bond
(RS422)
RS232
MPDS
65 dB Gain
NOTES:
1. Antenna is controlled by Honeywell SDU
Multi-Control
Power
Supply
28 V dc or
115 V ac,
400 Hz
AERO-H RFU
ACU BITE/HPA MUTE
MPDS
OCXO Ready
Signals
RF
LEGEND
Power/Control
& BITE
Power/Control
& BITE
Front Panel LEDs
10 Base T
(Future)
RF Module
RS232
Remotes
MPDS (2)
ARINC HPA BITE
ISDN (1)
ISDN (2)
ARINC Multi-Control (Listen Only) RS232
RS232
RS232
ARINC 429
HSD TRANSCEIVER
COMBINED MODE