4
Saturn Bm Mk2 Marine – Technical Manual
Services
Voice:
16 kbps
Telefax:
9.6 kbps
Telex:
50 Baud (Class 1 only)
Asynchronous Data:
9.6 kbps
High Speed Data:
56/64 kbps full duplex
(option)
System Specifications
Radio frequency performance
Transmit Frequencies:
1626.5 - 1646.5 MHz
EIRP:
33/25 dBW
Receive Frequencies:
1530.0 -1559.0 MHz
Channel spacing:
20 kHz
G/T:
-4 dB/K
Antenna Unit
1 m stabilized parabolic dish
Gain:
21.8 dB Tx, 21.1 dB Rx
Axial ratio less than 2 dB on axis
Polarisation:
right-hand circular (CCIR 573)
Steerability:
hemispheric coverage, 0°- 90°
Tracking:
Automatic search.
Cable rewind:
30 seconds
Ship Motion
Max turning rate:
12°/sec
Roll:
±30°
Pitch:
±10°
Yaw:
±8°
Physical Characteristics
Above Deck Equipment (ADE)
Size:
H = 1445 mm, D = 1420 mm,
see drawing
Weight:
90 kg
Mounting:
Flange
Main Control Unit (MCU)
Size:
310 x 236 x 70 mm,
see drawing
Weight:
4 kg
Mounting:
Special mounting bracket,
see Installation Manual
Technical Data
I n t r o d u c t i o n
I n t r o d u c t i o n
I n t r o d u c t i o n
Environmental Conditions
Vibration, Precipitation and Icing:
As specified by Inmarsat
Above Deck Equipment
Temperature:
-25°C to 55°C
Rain:
100 mm/hour
Below Deck Equipment
Temperature:
-25°C to 55°C
Humidity:
95 % at 40°C
Electromagnetic Compatibility
Radiated:
EN55022 class B
Conducted:
EC 801
Cabling
ADE - BDEU:
Length up to 44 m: single, flexible, 20 mm
diameter
Length to 44-77 m: One coaxial 06230
10.3 diameter (Ethernet) and one screened
mains cable.
Telephone/telefax:
screened twisted pair
Auxiliary :
8-core cable
Display Handset :
8-core cable
PC :
RS-232 cable
Printer :
RS-232 cable
Distress Alarm :
4-core screened cable
Power requirements
Voltage:
11 - 34 VDC
Power Consumption:
150 W
Power Supply:
220 VAC to 28 VDC
Optional Power Supply:
220 VAC to 28 VDC with
24 VDC battery backup input
Interfaces
Telephone/telefax:
5 x RJ11, 2-wire with echo cancelling
and touch-tone dialing
Fax:
CCITT G3 at 2400 bps
Data:
D-sub, 25-pin female, 9600 bps,
RS-232, Hayes AT compatible
PC:
D-sub, 9-pin female, RS-232
Printer:
D-sub, 9-pin male, RS-232
Gyro:
Synchro, step-by-step, 1:360, 1:180, 1 :90
Navigator:
NMEA-0183
Saturn B
1445 mm
1200 mm
305 mm
350 mm
80 mm
Saturn B
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