Appendix A: Technical specifications
98-141368-A 115
Antenna interface One connector, TNC-female
Inmarsat I-4 power:
1525 to 1559 MHz: -94 dBm to -64 dBm
1626.5 to 1660.5 MHz: -9 dBm to +11 dBm
Inmarsat Alphasat power:
a
1518 to 1559 MHz: -94 dBm to -64 dBm
1626.5 to 1660.5 MHz and 1668.0 - 1675.0 MHz:
-9 dBm to +11 dBm
Power supply: 18-29 V DC
Power input Connector: Mixed D-Sub 7W2
Nominal 12/24 VDC (10.5 - 32 V DC; 11.5 A - 4 A)
Max. source impedance: 85 mOhm at 12 V,
500 mOhm at 24 V
Maximum 20 A at 24 V, 5 ms (start up)
Maximum power consumption: 120 W
Power consumption
Idle, no waves
Idle, w. waves
FTP transfer, w. waves
Measured with wave simulator
No peripherals connected: 15,67 W
IP handset, phone and PC connected: 16,82 W
Phone connected: 18,75 W
IP handset, phone and PC connected: 20,2 W
Download: 21,4 W
Upload: 31,09 W
Standby current Ignition function, off: max. 15 mA
Remote on/off in DC connector, off: max. 2 mA
Ambient temperature Operational: -25° to +55 °C
Storage: -40° to +80 °C
Relative humidity 95% non-condensing at +40 °C
Equipment category Protected from the weather - IEC-60945
a. The extended frequency range (Extended L-Band or XL) is only available within
Alphasat coverage. For coverage area, see Satellite coverage on page 5.
Item Specification
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