External lines or outside lines that could be exposed to
enviromental conditions should be protected with secondary
protective circuitry.
The MDF should be grounded. This ground should not be
connected to the ground terminal of any other equipment (such
as lightning ground, electrical transformer ground etc.)
The battery to equipment connection should be made with a
single connector cable of specified cross sectional area:
0-8m: 4 mm², 8-12m: 6 mm², 12-20m: 10mm²
To minimize the risk of electrostatic damage to the equipment,
serviceman should discharge of electrostatic buildup by wearing
a shielded bracelet or take other necessary before handling
electrostatic sensitive parts such as cards.
This equipment is to be used in controlled environments where
humidity and ambient temperature is maintained within working
specifications and necessary precautions should be taken before
leaving the equipment un-attendant.
Disconnect all power sources from the equipment before
servicing. Do not remove the power supply unit from the
equipment when the equipment is powered up.
Do not remove or install cards to the equipment when it is
powered up.
Do not plug or unplug the maintenance PC connection from the
equipment serial COM port while the equipment is in operation.
Leave the security/reset button in the secure position (status
LED is off) after parameter changes are made.
Attach all covers in place after servicing equipment and before
leaving the customer premises to avoid customer contact with
damagable components.
Any auxiliary equipment that is connected to the system should
be set up according to its installation guide.
The Power Supply Unit
The PX24X is equipped with a power supply unit (ordering code 2.px0.psudurn) that
takes power from a 220VAC 50Hz wall power outlet. For the basic operation, simply
plugging in the power cord to an outlet is sufficient.
The power supply is installed in the leftmost part of the main and auxiliary cabinets by
pushing the power supply unit through the guides, screwing it securely in place and
attaching the ground and 9 pin connectors to the backplane card.
32
