NorthStar MX500 Operator's & Installation Manual page 203

Technical Specifications
Power:
MX500 CDU :
Type:
Consumption:
Supply voltage:
Reverse protection:
Over voltage protection:
Fuse:
Insulation:
Antenna supply:
Antenna:
MX 521:
MX 421B:
MX 525:
MX500 CDU Inputs and Outputs:
The input and output circuits of the serial interfaces meet the require-
ments of:
•
IEC 61162-1 including the requirements of ITU-T V.11.
•
NMEA 0183 version 1.5, 2.0, 2.1, 2.2 & 2.3
NMEA talker (all outputs):
Levels:
Current:
Protection:
NMEA listeners (all inputs):
Insulation:
Version 3.0
DC/ DC switch mode with galvanic
separation
Less than 11W (display back light
on). Typical 8W at 24 volt external
supply voltage. Typical 8.7W at 12
volt external supply voltage
12 or 24 volt battery: 10.5 to 32 VDC
-100 volt: internal diode
+40 volt: fuse and transient voltage
suppression
Internal over current / over tempera-
ture fuse. Automatic resetting
Supply voltage to data pins or shield:
Maximum 50 VDC
12 VDC, maximum 500mA
12 VDC, 200 mA
12 VDC, 280 mA
12 VDC, 200 mA
Maximum ±6 volt, minimum ±2
volt, A out relative to B out
Minimum 15mA
-1 volt to +6 volt, output relative to
shield, ±50 volt, output relative to
external power lines
Opto-coupler. Maximum ±50 volt,
input relative to shield or power
supply lines
Installation Manual
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