User's Manual

Page 1–18
18 September 2007
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-128 High-speed Data Terminal
Transceiver output impedance 50 ohms
VSWR 2:1 maximum
Input level operational
Input level no damage
-107 dBm to -47 dBm
+10 dBm
External (Digital) Interfaces
Crosstalk Bus ARINC 429 high-speed (100 kbps) data bus
Maintenance Port RS-232 Data
loader
Front and Rear Connector
RS-232 serial bus supporting 57.6 kbps data
load capacity
ISDN User Interface 64 kbps ISDN Euro input and output
Table 1–16. HSD-X RTCA/DO-160D Environmental Specifications
CHARACTERISTIC SPECIFICATION
Temperature and Altitude Categories: A4 (without cooling air)/ C4 (with
cooling air)
Low operating temperature -40 °C (A4), -40 °C (C4)
High operating temperature +55 °C (A4), +70 °C (C4)
Altitude Maximum operating altitude: 15,000 ft
(A4)/55,000 ft (C4)
Loss of cooling Category Y
Temperature Variation Category B
Humidity Category A
Shock Category B
Vibration Category SB
Explosion Proofness Category E
Waterproofness Category X
Fluids Susceptibility Category X
Sand and Dust Category X
Fungus Resistance Category F
Salt Spray Category X
Magnetic Effect Category Z
Power Input Category A
Voltage Spike Category A
Audio Frequency Category A
Induced Signal Category C
RF Susceptibility Category RR
Table 1–15. HSD-X Transceiver Specifications
CHARACTERISTIC SPECIFICATION