User's Manual

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For using the shielded antennas at longer distances from the

CUII than 4 m there is also a plastic hose of 20 m length

available. Alternatively the standard optical fibres with lengths

up to 100 m can be used.

All the fiber optic cables provided with the RAMAC/GPR are

reinforced with Kevlar? and feature stainless steel and

ceramic tip connectors. However, care should always be

exercised when handling this type of cable. The light carrying

fibre core is only 50 micrometer in diameter, which is less than

the thickness of hair.

?? Avoid excessive bending

?? Keep cables protected against physical damage

?? Keep connectors clean

7.3 Communication cable

Parallel data transfer between the RAMAC/GPR CUII and the

external PC is used as a standard.

It should be noted that data transfer is more secure with

shorter cables. For best performance use an IEEE 1284 (ECP)

compatible parallel cable that is less than or equal to three

meters long.

For configuration of external PC communication ports, see the

RAMAC GroundVision Software manual.