Memorex RX 1 Smart Installationshandbuch PDF herunterladen (Seite 171)

170 | Simrad MX500

Auxiliary (8-pin) Cable:

This is a 4-pair twisted cable. Below are the color and

signal designation of the wires:

Pin 1 --- Yellow ------- Ext. MOB Input

Pin 2 --- Green -------- GND.

Pin 3 --- Blue ----------- Dry Contact 1

Pin 4 --- Purple -------- Dry contact 2

Pin 5 --- Grey ----------- Speed Log IN +

Pin 6 --- White --------- Speed Log IN -

Pin 7 --- Orange ------- Speed Log Out +

Pin 8 --- Brown --------- Speed Log Out -

An optional Junction Box with all wires installed is avail-

able for easy plug & play installation.

External Power

The MX500 will to operate on 12 ~ 32 VDC supply. It can

tolerate voltages no lower than 10 volts and no higher

than 35 volts. It draws about 1 Ampere at 12 VDC (with

an antenna connected). Power wire colors are red (+) and

black (-). Even though the navigator has a reverse polar-

ity protection device, we recommend that the installer

observe proper polarity before hooking up the power

leads. It is recommended using a 2 amp. fuse in line with

the red wire as close to the battery as possible. This not

only protects the navigator but also the cabling.

Navigator Grounding

The internal electronic circuits of the navigator are

isolated from the external power supply. Connect the

ground stud to ship’s seawater ground to avoid static

charge build up.

‘Seawater ground’ is any electrically conductive material

that is directly in contact with sea water.

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Memorex RX 1 Smart Installationshandbuch Seite 171