16
5 Connecting to power supply
PLICSMOBILE T81/B81/S81 • External GSM/GPRS/UMTS radio unit
55234-EN-170206
Proceed as follows:
1. Unscrew the housing lid
2. Loosen compression nut of the cable gland and remove blind
plug
3. Remove approx. 10 cm (4 in) of the cable mantle, strip approx.
1 cm (0.4 in) of insulation from the ends of the individual wires
4. Insert the cable into the cable gland through the cable entry
Fig. 5: Connection steps 4 and 5
5. Lift the opening levers of the terminals with a screwdriver
6. Insert the wire ends into the open terminals according to the wir-
ing plan
7. Press down the opening levers of the terminals, you will hear the
terminal spring closing
8. Check the hold of the wires in the terminals by lightly pulling on
them
9. Connect the screen to the internal ground terminal, connect the
external ground terminal to potential equalisation
10. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
11. Screw the housing lid back on
The electrical connection is finished.
Connection procedure