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CTI 2572 Installation and Operation Guide
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exceed the backplane limitation, you may power the AUI from an external 12 VDC power supply.
The 2572 module provides a front panel connector for attaching an external AUI power supply.
NOTE:
The AUI external power circuit contains a reverse protection diode that may induce up to a 0.5 volt
drop. Most transceivers can tolerate this voltage drop. If your transceiver cannot, you should adjust
your external power supply to compensate.
CAUTION:
If you are using a transceiver, make sure that you have included the power requirements for the
transceiver in your calculations. Before inserting the module into the I/O base, ensure that the
PLC power supply capacity is not exceeded.
2.3. Unpacking the Module
Open the shipping carton and remove the special anti-static bag that contains the module.
After discharging any static build-up, remove the module from the static bag. Do not discard the
static bag. Always use this bag for protection against static damage when the module is not inserted
into the I/O base.
CAUTION:
The components on the 2572 module printed circuit card can be damaged by static electricity
discharge. To prevent this damage, the module is shipped in a special anti-static bag. Static
control precautions should be followed when removing the module from the bag and when
handling the printed circuit card during configuration.