Paradyne Power Supply 496 15149 User Manual

TM  
2-Slot Power Supply  
Installation Instructions  
Document Number 9000-A2-GN1A-10  
April 1998  
Before You Begin  
The 2-slot housing can hold one power supply, which is already installed in the housing.  
Should you need to replace this power supply, be sure to review the following  
information.  
CAUTION:  
Refer installation of power supplies to qualified service personnel.  
!
HANDLING PRECAUTIONS FOR STATIC-SENSITIVE DEVICES  
This product is designed to protect sensitive components from  
damage due to electrostatic discharge (ESD) during normal  
operation. When performing installation procedures,  
however, take proper static control precautions to  
prevent damage to equipment. If you are not sure  
of the proper static control precautions, contact  
your nearest sales or service representative.  
496-15149  
Package Checklist  
Verify that your package contains the following:  
-
An ac power supply (See following specifications.)  
-
An ac power cord  
 
1
3. Unscrew the two screws on the current power supply using a flatblade screwdriver.  
4. Remove the current power supply by pulling on the handle.  
496-15126  
5. Remove the new power supply from its shipping box. Handle only by the top and  
bottom edges of the sheet metal bracket to avoid damaging it.  
6. At the front of the housing, use the attached handle on the power supply to  
carefully slide the housing into the slot towards the midplane until you feel it  
connect. Be sure that you slide the power supply in using the guides provided on  
the housing.  
7. Tighten the two screws on the power supply using the screwdriver.  
8. Reattach the front bezel to the housing.  
9. Reattach the power cord.  
Power-Up Verification  
!
WARNING:  
The power cord contains a 3-wire grounding-type plug which has a  
grounding pin. This is a safety feature. Grounding of the carrier is vital to  
ensure safe operation. Do not defeat the purpose of the grounding plug by  
modifying it or by using an adapter.  
Prior to installation, use an outlet tester or voltmeter to check the AC  
receptacle for earth ground. If the power source does not provide a ground  
connection, consult an electrician to determine another method of grounding  
the carrier before proceeding with the installation.  
 
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Verification Checklist  
-
Did the NAM’s OK LED light? If not, see Troubleshooting.  
Troubleshooting  
Symptom  
Possible Cause  
Solutions  
No power.  
The power cord is not  
securely plugged into the  
wall receptacle, or is not  
connected to the power  
inlet at the rear of the  
housing.  
Check that the power cord  
is securely attached at both  
ends.  
The wall receptacle has no Check the wall receptacle  
power.  
power by plugging in some  
equipment that is known to  
be working.  
Check the circuit breaker.  
Power supply is not fully  
inserted into the housing.  
Reinstall the power supply,  
making sure that you gently  
push it all the way into the  
housing.  
Power supply is defective.  
Replace power supply.  
If you are still having problems with the power supply, contact your service  
representative.  
Power Failure Recovery  
In cases of loss and restoration of nominal voltage conditions, this product  
automatically restores to service without manual intervention.  
*9000-A2-GN1A-10*  
*9000–A2–GN1A–10*  
Copyright E 1998 Paradyne Corporation  
 
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