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B–1
INTERFACE UNIT IF-2500
Specifications
Input port 2 ports for NMEA 0183 data
Output port 6 ports for either of NMEA 0183 or RS-422 data
3 ports for alarm signal
Power supply 10 to 35 VDC
Power consumption 2.2 W maximum
Color 2.5G5/1.5 Newtone no. 5
Ambient temperature -15°C to +55°C
Humidity Relative humidity 95% at +40°C
Waterproofing None
Installation
Mounting considersations
The installation site is important for proper
operation and continued performance. Select
it keeping the following points in mind.
• The unit is not waterproof; locate it away
from water spray.
• Select a clean and cool place.
• Select a place where shock,vibration and
electrical noise are minimal.
• Leave sufficient space at the sides and rear
of the unit for maintenance and service.
Mounting
The unit can be mounted on a bulkhead, over-
head or tabletop.
Secure the unit to mounting location with
woodscrews. For added support, use nuts, bolts
and washers instead of woodscrews.
Figure B-1 Interface unit
mounting dimensions
• All dimensions in
millimeters.
• For added support, use
nuts, bolts and washers
instead of woodscrews.
• Leave sufficient space
at the sides and rear of
the unit for maintenance
and servicing.