INSTALLATION
MOBILE STATIONS
396 ENVOY™ TRANSCEIVER REFERENCE MANUAL
Using a terminal block
A terminal block can be fitted where heavy cables are used for long cable runs, or
where the tools or materials may not be available to re-terminate the transceiver
supply connector. The terminal block is fitted next to the transceiver to connect the
cable from the battery to the transceiver power cable. The length of the cable between
the terminal block and the transceiver should not exceed 500 mm (20 in) so that
voltage drop is minimised.
To connect a terminal block:
1 Cut the connector from the end of the battery cable.
1 Strip 10 mm (½ in) of the insulation from the cable.
1 Insert the cable into the terminal block, ensuring the screws of the terminal
block are completely undone before inserting the wires.
Observe correct polarity.
1 Turn the screws into place.
Ensure there are no stray wires.
Protecting the cables
Physical protection
Protect all the cables from sharp edges and mechanical abrasions. Cables that pass
through panels or walls must be protected by grommets. Such holes need only be large
enough to allow the end of the cable with the smaller connector to pass through.
Removing a connector should be a last resort. Externally, the cable and connectors
need to be weatherproofed using self-amalgamating rubber tape.
CAUTION: Removal of factory-fitted connectors may cause cable or connector
faults.
CAUTION: Crimp-style coaxial connectors for vehicle installations should be
avoided because they are susceptible to mechanical damage and are not
weatherproofed.
NOTE: Any cabling under carpet or floor mats should be clear of foot traffic.
Electrical protection
The transceiver is provided with adequate internal protection. The transceiver supply
is also fitted with adequate protection.
If a battery is used, Codan recommends that a suitable cartridge fuse (32 A, Codan
part number 15-00711) is fitted in the positive wire, close to the battery. This protects
the power cable from risk of fire if damaged insulation should touch surrounding
metalwork.
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