Multi Tech Systems Power Supply PS9600 User Manual

PS9600 Power Supply  
User Guide  
 
Federal Communications Commission Statement  
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant  
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful  
interference when the equipment is operated in a commercial environment. This equipment generates,  
uses, and can radiate radio frequency energy, and if not installed and used in accordance with the in-  
struction manual, may cause harmful interference to radio communications. Operation of this equipment  
in a residential area is likely to cause harmful interference, in which case the user will be required to  
correct the interference at his own expense.  
Warning: Changes or modifications to this unit not expressly approved by the party responsible for  
compliance could void the user’s authority to operate the equipment.  
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Table of Contents  
1 Introduction .................................................................... 1  
Introduction ...................................................................................................................................................... 2  
Description ........................................................................................................................................................ 2  
Features......................................................................................................................................................... 2  
Technical Specifications.................................................................................................................................... 3  
Manual Organization......................................................................................................................................... 3  
2 Installation ...................................................................... 5  
Introduction ...................................................................................................................................................... 6  
Pre-Installation Notes ....................................................................................................................................... 6  
Installation Procedure....................................................................................................................................... 6  
3 Operation ........................................................................ 7  
Introduction ...................................................................................................................................................... 8  
Power Switch ..................................................................................................................................................... 8  
Power Indicator ................................................................................................................................................. 8  
4 Solving Problems ........................................................... 9  
Introduction .....................................................................................................................................................10  
LED Indicators..................................................................................................................................................10  
Power Supply LED............................................................................................................................................10  
Adjustment of the PS9600 Power Supply.........................................................................................................10  
Important Safety Considerations.....................................................................................................................11  
Fuse Replacement........................................................................................................................................11  
Insertion and Removal of a Power Supply..................................................................................................12  
Safety Disconnect Device.............................................................................................................................12  
Index..................................................................................13  
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1 Introduction  
CommPlete Communications Server  
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PS9600 Power Supply User Guide  
Introduction  
This manual describes the field installation of a Multi-Tech PS9600 power supply into a CommPlete  
Communications Server CC9600 chassis. Installation and troubleshooting of the PS9600 should be  
performed only by qualified service personnel.  
Description  
The PS9600 is a universal input switching power supply for the CommPlete Communications Server. Two  
PS9600 power supplies are installed as standard equipment in each CommPlete CC9600 chassis. The  
outputs of the two power supplies are connected in parallel to the CC9600 chassis power bus. If any of the  
outputs on either power supply fails or is too low, the other power supply takes over with no switchover  
time, and supplies all the power required to run the system. (This assumes that both power supplies are  
turned on.)  
Figure 1. PS9600 power supply.  
Features  
Dual redundant, universal input switching supply.  
Front panel on/off switch and power LED indicator.  
Power LED lights only if all outputs are good.  
Outputs paralleled for redundancy.  
No switchover time for redundant supply takeover.  
Short circuit protection on all outputs.  
Over-voltage protection on 5 VDC output  
Logic level output signal for “All voltages OK.”  
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1
Introduction  
Technical Specifications  
Input voltage  
Input frequency  
Input current  
100 VAC to 240 VAC RMS  
50/60 Hz  
8 A @ 115 V at full load  
4 A @ 230 V at full load  
Output voltage at  
maximum current  
5 VDC @ 65 A  
21 VDC @ 0.5 A  
5 V regulation  
5 V OVP  
± 0.1% at full load  
125-132% of output voltage  
Dielectric strength, 3750 VRMS per EN60950  
input to output  
Indicator  
LED for power good indication  
Environmental  
Temperature range: 0°–40° C (32°–104° F)  
Humidity range: 0–95% (noncondensing)  
Dimensions  
7.3 cm × 17.1 cm × 29.8 cm (H × W × D)  
2.88 in.× 6.75 in.× 11.75 in. (H × W × D)  
Weight  
2.27 kg (5 lb)  
Limited Warranty  
Fuses  
Two years  
12 A 250 V fast blow  
Manual Organization  
Chapter 1 Introduction  
This chapter describes the PS9600, gives its technical specifications, and provides a guide to the  
organization of the manual.  
Chapter 2 Installation  
This chapter describes how to install the PS9600 into the CommPlete chassis  
Chapter 3 Operation  
This chapter describes briefly how to operate the PS9600 power supply.  
Chapter 4 Solving Problems  
This chapter describes how to troubleshoot the PS9600 and adjust the output.  
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2 Installation  
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PS9600 Power Supply User Guide  
Introduction  
This chapter describes how to install the PS9600 power supply into a CommPlete Communication Server  
CC9600 chassis. This equipment should be installed only by a qualified service person.  
Pre-Installation Notes  
All installation must be done by a qualified service person.  
Warning: Interconnection directly, or by way of other apparatus, of ports marked SAFETY  
WARNING see instructions for usewith ports marked or not so marked may produce hazardous  
conditions on the network. Advice should be obtained from a competent engineer before such a  
connection is made.  
Warning: Ports that are connected to other apparatus are defined as SELV. To ensure conformity to  
EN 41003, ensure that these ports are only connected to the same type on the other apparatus.  
To reduce emissions, be sure to use blanking plates to cover empty slots in the CC9600 chassis.  
Installation Procedure  
1. Unpack the PS9600 assembly from its packaging and save the packaging for possible future use.  
Perform a visual inspection of the PS9600. If you are concerned about its condition, call Technical  
Support for instructions.  
2. Make sure the PS9600 power switch is in the off (O) position.  
3. Remove the cover plate on the CC9600 if necessary. The PS9600 is hot-swappable.  
4. Holding the PS9600 by the front panel and bottom corners, place the PS9600 into the open power  
supply slot. Make sure that the top rails on the PS9600 mate properly with the plastic guides in the  
CC9600.  
5. Slowly slide the PS9600 into the CC9600 chassis until you feel the PS9600s connectors mate with the  
CC9600s connectors.  
6. Tighten the PS9600s retaining screws.  
7. Turn the PS9600 power switch on to the on (I) position.  
8. Observe the PS9600 outputs goodLED. If it is not lit, see Chapter 4. If it is lit, proceed with normal  
CommPlete Communications Server operation.  
9. After you turn on the power supplies, you should check the 5 Voutput. See page 10 for details. The  
supplies can be re-checked as part of your regular system maintenance.  
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3 Operation  
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PS9600 Power Supply User Guide  
Introduction  
This chapter provides information about operating your PS9600 Power Supply after it is installed.  
Power Switch  
The PS9600 has a power switch on the front panel that is labeled with the international I (on) and O (off)  
symbols. For the most reliable operation, both power supplies should be turned on whenever the  
CommPlete Communications Server is operating.  
Power Indicator  
The power indicator lights if all outputs are good. If any one of the outputs on the power supply goes bad,  
this indicator goes out. If a power supply fails and the redundant power supply is installed and turned on,  
the good power supply takes over with no switchover time.  
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4 Solving Problems  
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PS9600 Power Supply User Guide  
Introduction  
This chapter provides information needed to identify and fix problems with the PS9600 power supply  
module. Problems can be observed on the CommPlete systems front panel LEDs, the control PCs screen,  
or via audio alarm or alarm report. In addition, problems can be found when performing the Diagnostic  
Tests documented elsewhere in the CommPlete Communications Server User Guide.  
LED Indicators  
The CommPlete Communication Servers front panels contains the following indicators.  
MR9600 controller LEDs.  
Modem card LEDs. The number of LEDs on your modem card may vary, depending on the type of  
modem card in your chassis. Please refer to your modems user guide for LED descriptions.  
PS9600 power supply LED.  
The PS9600 power supply LED is described below. Each of the other LED indicators is described in the  
applicable manual.  
Power Supply LED  
This LED goes out if one of the PS9600 power supply outputs goes low or fails altogether. In normal  
operation it is lit. The recovery procedure to be used depends on whether the CommPlete chassis has one  
or two PS9600 power supplies installed.  
Indication:  
Meaning:  
Recovery:  
LED is on (either one or two PS9600s installed).  
The power supply (or supplies) are operating properly.  
No action required.  
Indication:  
Meaning:  
Recovery:  
LED is off (one PS9600 installed).  
At least one of the outputs is low or out.  
Turn off the power supply, remove it, and check the fuse. Replace the fuse if it is blown;  
call Technical Support if the fuse is good (Chapter 5).  
Indication:  
Meaning:  
Recovery:  
LED is off (two PS9600s are installed).  
At least one of the outputs is low or out. Power is being supplied by the second PS9600.  
Turn off the PS9600 that has the LED off, and remove the PS9600. Replace the fuse if it is  
blown; call Technical Support if the fuse is good (Chapter 5).  
Adjustment of the PS9600 Power Supply  
For optimal operation of the CommPlete Communications Server, the 5 V output of the PS9600 power  
supply should be adjusted to 5.1 VDC. The 5-volt test points are located on the back of the chassis between  
the power supply fans.  
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Solving Problems  
Procedure  
1. Turn off the power supply that is not being adjusted.  
2. Place your voltmeters probes on the test points.  
3. Two trimpots, one for each power supply, are located on the back of the chassis between the power  
supply fans. Adjust the 5 volt trimpot that is closest to the power supply that you are testing to 5.1  
VDC by turning it clockwise to increase the voltage, or counterclockwise to decrease the voltage.  
4. Check the measurement.  
5. Repeat the above steps, as necessary, until the voltage is correct.  
6. Repeat for the second PS9600 supply with the first PS9600 power supply turned off.  
0 V test point (SELV)  
5 V test point (SELV)  
5 V adjust (right power supply)  
AC power (right power supply)  
5 V adjust (left power supply)  
AC power (left power supply)  
Figure 2. Power supply connectors and test points  
Important Safety Considerations  
Fuse Replacement  
There is one replaceable fuse in the PS9600 power supply. Qualified service personnel may replace the fuse  
with one of the same type and rating as indicated on the PS9600 Fuse Label.  
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PS9600 Power Supply User Guide  
Insertion and Removal of a Power Supply  
Qualified service personnel may insert or remove a power supply without turning off the system. We  
recommend that you insert the power supply slowly. If the power supply is not replaced, a cover plate  
must be installed.  
Safety Disconnect Device  
The switches on the power supplies are not safety disconnect devices. To reduce the risk of electric shock,  
unplug the two input power cords from the back of the CC9600.  
Install the power outlet near the CC9600, and place the equipment so that the outlet is easily accessible.  
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Index  
—A—  
—B—  
—C—  
—M—  
adjusting the output, 11  
BBS, Multi-Tech, 16  
manual organization, 3  
Multi-Tech BBS, 16  
—O—  
—P—  
operating the PS9600, 8  
CC9600 chassis, 6  
CompuServe, 17  
power bus, 2  
power cords, 12  
power indicator, 6, 8, 10  
power switch, 8  
—D—  
—F—  
description, 2  
dimensions of PS9600, 3  
—S—  
safety, 6, 12  
service, 14  
solving problems, 10  
specifications, 3  
switchover time, 2, 8  
fax-back service, 18  
features, 2  
fuse, 3, 10  
—T—  
—I—  
technical specifications, 3  
technical support, 15, 17  
test points, 11  
installation, 6  
Internet, 2, 18  
troubleshooting, 10  
—L—  
LED, 10  
—W—  
warranty, 14  
World Wide Web, 18  
CommPlete Communications Server  
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PS9600 Power Supply User Guide  
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