Handbook
Table Of Contents
- AMENDMENT LIST RECORD SHEET
- INTRODUCTION
- 1.SAFETY CONSIDERATIONS
- 2.OVERVIEW/SYSTEM DESCRIPTION
- 3.SPECIFICATION
- 3.150-063701 Parts Lists
- 3.1.1Base Antenna Side UHF Duplex/PA Shelf 50-063702 Parts List
- 3.1.2Downlink UHF 5 Channel Shelf 50-063703 Parts List
- 3.1.3Uplink UHF 4 Channel Shelf 50-063704 Parts List
- 3.1.4Tunnel side UHF Duplex/PA Shelf 50-063705 Parts List
- 3.1.5UHF Simplex Shelf 50-063706 Parts List
- 3.1.6Power Supply Shelf 50-063707 Parts List
- 3.2Technical Specification
- 3.3Mechanical Specification
- 3.150-063701 Parts Lists
- 4.SYSTEM DRAWINGS
- 4.1Drg. No. 50-063751, Channelised Cell Enhancer Rack Layout Drawing
- 4.2Drg. No. 50-063781, Channelised Cell Enhancer System Diagram
- 4.3Drg. No. 50-063792, Base Side Duplex Shelf Outline Drawing
- 4.3Drg. No. 50-063793, Downlink Channels Shelf Outline Drawing
- 4.4Drg. No. 50-063794, Uplink Channels Shelf Outline Drawing
- 4.5Drg. No. 50-063795, Tunnel Side Duplexer Shelf Outline Drawing
- 4.6Drg. No. 50-063796, UHF Simplex Shelf Outline Drawing
- 4.7Drg. No. 50-063797, Power Supply Shelf Outline Drawing
- 5.SUB-UNIT MODULES
- 5.1UHF Duplex Shelf 50-063702
- 5.25 Channel UHF Downlink Shelf 50-063703
- 5.3UHF Uplink 4 Channel Shelf 50-063704
- 5.4UHF Duplex/PA Shelf 50-063705
- 5.5UHF Simplex Channel Shelf 60-063706
- 5.6Power Supply Shelf 50-063707
- 6.INSTALLATION
- 7.MAINTENANCE
- APPENDIX AINITIAL EQUIPMENT SET-UP CALCULATIONS
Denver Channelised CE
User/Maintenance Handbook
Handbook Nō.-50-063708HBKM Issue No:-2
Date:-03/11/2003
Page:-
44 of 51
5.6 Power Supply Shelf 50-063707
5.6.1 24V, 400W Power Supply Pack (96-300054)
5.6.1.1 Description
The power supply unit is a switched-mode type capable of supplying 24V DC at 17.0Amps
continuously. Equipment of this type typically requires approximately 10.0 Amps at 24V
DC, so the PSU will be used conservatively ensuring a long operational lifetime.
No routine maintenance of the PSU is required. If a fault is suspected, then the output
voltage from the power supply may be measured on its output terminals. This is typically set
to 24.5V using the multi-turn potentiometer mounted close to the DC output studs on the
PSU PCB.
All the PSU’s used in AFL Cell Enhancers are capable of operation from either 110 or
220V nominal AC supplies. The line voltage is sensed automatically, so no adjustment or
link setting is needed by the operator.
5.6.1.1 Technical Specification
AC Input Supply
110 or 220V nominal
Voltages:
90 to 132 or 180 to 264V (absolute limits)
Frequency: 47 to 63Hz
DC Output Supply:
24V DC (nominal)
Voltage:
20 to 28V (absolute limits)
Maximum current: 17A
All other modules in this shelf are described elsewhere in this document.