Cables; Switching On And Off - Videotec SW164OSM Manuel D'instructions

4.3

Cables

In the above diagram different types of cable are used:
video cable:
Coax cable RG 59 or equivalent.
For long distances a twisted pair communication system is recommended.
multi core cable:
Each pan & tilt control function is enabled/disabled by an internal relay.
Use following indications to establish the number of wires into multipolar cables:
• 7 wires to handle P&T (230 V~ or 24 V~): right, left, up, down, autopan, common, ground (only
230 V~ version)
Another multipolar cable is for lenses control:
• 6 wires, for polarity inversion mode (zoom wide, zoom tele, focus near, focus, far, iris open, iris
close)
• 4 wires, for common wire mode (zoom, focus, iris, common)
• 2 wires for preset and 1 more for each preset function.
For auxiliary functions as wiper and washer 2 wires each are necessary.
For further information please refer to DTRX or DTMRX User Manual.
cable for digital data transmission:
Two pairs of twisted pair wires, section 0.22 mm² AWG 24:
one pair for TX / Ground plus one pair for RX / Ground.
Maximum connection distance: 1500 m.
Length of cable supplied is 1.5 m: for longer distances use RJ junction boxes, following the
procedure described in Chap.4.6.4 Connecting the SW164OSM matrix to the peripheral units.
4.4

Switching on and off

Before connecting the unit to power supply:
• Check if the goods supplied correspond to the required specifications examining the rating plates
according to the Chap.1.7 Operating data labels.
• Make sure that the video switcher and other parts of the system are closed to avoid accidental
contact with powered equipment.
• Power cords must not hamper the normal operations of the installer
• Check if power supply sources and extension cables are compatible with system consumption.
SWITCHING ON
SWITCHING OFF
: plug in the unit and press the on/off switch.
: press the on/off switch and unplug the unit.
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