GEM PTZ722 Installation And Operation Manual page 12

could use any pair out of the CAT5 cable but they must be two cores from the same pair. Why not
use for example the orange pair so that the colours tie together a little? If you use cores from two
different pairs in the CAT5 cable you will not get the benefit of the shielding effect of the cable
twists and the dome will function erratically. You must always use a core from a PAIR, not two
cores from two different pairs!! When installing cables they should be far away from high voltage
lines or other possible sources of electrical interference.
Powering the PTZ722 Keypad
The PTZ722 requires a 12v DC regulated power supply and draws in the region of 500mA. It is
suggested that to ensure longest life from the power supply that a minimum specification of a 12v
DC 1A power supply is fitted. The power supply fitting required is a 2.1mm mini power jack plug
that fits into the 2.1mm mini power jack socket on the rear of the keypad.
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