AT&T 555-230-894 用户手册
Install the 1145B1 Power Supply
Issue 1 September 1995
9-33
Reset Light Emitting Diodes (LED) on Power
Distribution Unit
Distribution Unit
A lit red light emitting diode (LED) next to any of the 32 power output connectors
on the Power Distribution Unit indicates a short circuit in the building wiring or
the terminal equipment. To reset the light emitting diode (LED), perform the
following:
on the Power Distribution Unit indicates a short circuit in the building wiring or
the terminal equipment. To reset the light emitting diode (LED), perform the
following:
1.
Disconnect the terminal equipment from the wall jack.
2.
If the light emitting diode (LED) goes off, the terminal equipment is faulty
and must be replaced. If the light emitting diode (LED) is still lit, find and
repair the short circuit in the building wiring.
and must be replaced. If the light emitting diode (LED) is still lit, find and
repair the short circuit in the building wiring.
3.
Reconnect the terminal equipment to the wall jack and re-test terminal
equipment operation.
equipment operation.
!
WARNING:
Important Safety Instructions follow.
When operating this equipment, basic safety precautions must be followed to
reduce the risk of fire, electric shock and personal injury, including the following:
reduce the risk of fire, electric shock and personal injury, including the following:
■
Read and understand all instructions.
■
Do not attach the power supply cord to building surfaces.
■
For continued back-up protection and battery reliability, replace batteries
every four years.
every four years.
■
Follow all warnings and instructions marked on the products.
■
Clean products only with a dry rag.
■
Do not use this product near water.
■
For mounting security, follow all installation instructions when mounting
product.
product.
■
Openings on top and bottom of power unit are provided for ventilation. Do
not block or cover these openings. Do not exceed recommended
environmental temperatures.
not block or cover these openings. Do not exceed recommended
environmental temperatures.
■
Operate these products only from the type of power source indicated on
the product labels.
the product labels.
■
The power unit is equipped with a three wire grounding type plug; a plug
having a third (grounding) pin. This plug will only fit into a grounding type
power outlet. This is a safety feature. If you are unable to insert the plug
into the outlet, contact an electrician to replace the outlet. Do not defeat
the safety purpose of the grounding type plug.
having a third (grounding) pin. This plug will only fit into a grounding type
power outlet. This is a safety feature. If you are unable to insert the plug
into the outlet, contact an electrician to replace the outlet. Do not defeat
the safety purpose of the grounding type plug.
■
Do not allow anything to rest on or spill into the products.
■
To reduce risk of fire and electrical shock, do not overload power outlets.