Raymarine ST7000, Руководство по установке

Страница: 32 / 55

Where additional cables have to be brought into
the connector unit, the blanking discs (Fig. 35)
should be pressed out and replaced with the
rubber grommets supplied.
After cutting the interconnecting cable to length
(Fig. 36), it may be passed through the inserted
rubber grommet and prepared for connection to
the relevant connector block (Fig. 34).
Each connector block is clearly identified on the
printed circuit board and each wire position is
identified by coloured dots which match the
individual wire colours. The cable screen should
be connected to terminals identified by a white
dot.
Each peripheral unit is supplied with 6m (20ft) of
interconnecting cable. Additional cabling can be
supplied in 12m (40ft) cut lengths as follows:-
Cat. No. Used On
D086 Alarm and Clutch
(Two core unscreened)
M083 (Complete reel)
Fluxgate Compass
D088
(Four core screened)
M085 (complete reel)
The total length of interconnecting cable to the
fluxgate should not exceed 20m (60ft). If it is
necessary to exceed the above maximum length
recommendation, please consult Raymarine's
Product Support Department for specific advice.
In general the length of interconnecting cables
should be kept to an absolute minimum to reduce
the possibility of interference by other electronic
equipment.
All cables should be run at least 1 m (3ft) from
existing cables carrying radio frequency or pulsed
signals, and should be clamped at 0.5m (1.5ft)
intervals.
2.3.2 Connection to other SeaTalk Units
All Autopilot Control Units and SeaTalk
instruments receive both power and information
from the SeaTalk bus (Fig. 37). Each instrument
has two SeaTalk connectors (3 pin) on short 1
50mm (6in) tails to allow adjacent units to simply
plug together.
Separated units are connected using the SeaTalk
Extension cable (Cat. No D131). This is supplied
with a SeaTalk connector fitted to each end and
with a junction box to rejoin the cable if it is cut to
ease routing or for shortening.
27