(Revised 2011-07-21) Page 9 of 158
WARNING: Do not perform any services on the unit unless qualified to do so.
WARNING: Do not block the air vents.
WARNING: Observe proper DC Voltage polarity when installing power input cables. Reversing voltage
polarity can cause permanent damage to the unit and void the warranty.
Hazardous Location Installation Requirements
1. WARNING: Explosion Hazard – Substitution of components may impair suitability for Class I,
Div. 2.
2. WARNING: Explosion Hazard - do not disconnect while circuit is live, unless area is known to be
non-hazardous.
3. WARNING: Explosion Hazard – do not replace the device unless power has been switched off or
the area is known to be non-hazardous.
4. Use 90°C or higher rated Copper wire, (0.22Nm) 2lb/in tightening torque for field installed
conductors.
5. The USB Port is for temporary connection only. Do not use, connect, or disconnect unless area is
known to be non-hazardous. Connection or disconnection in an explosive atmosphere could result in
an explosion.
6. The SD Card connector is for temporary connection only. Do not use, connect, or disconnect unless
area is known to be non-hazardous. Connection or disconnection in an explosive atmosphere could
result in an explosion.
Please make sure the 7506GX2 Ethernet Switch package contains the following items:
1. 7506GX2 Switch
2. Product CD
Contact your carrier if any items are damaged.
Installation
Read the following warning before beginning the installation:
WARNING
Never install or work on electrical equipment or cabling during periods of lightning activity. Never connect
or disconnect power when hazardous gasses are present.
Disconnect the power cable before removing any enclosure panel.
UNPACKING
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