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LBI-39128
Installation & Operation
EDACS Power Monitor Unit
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LBI-39128 CONTENTS TABLE OF CONTENTS Page INTRODUCTION....................................................................................................................................... 6 DESCRIPTION ........................................................................................................................................... 6 APPLICATION NOTES ............................................................................................................................. 7 VAX SITE
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CONTENTS LBI-39128 TABLE OF CONTENTS (Cont.) Page OPERATION .............................................................................................................................................. 22 STARTUP............................................................................................................................................ 22 Polling Recovery........................................................................................................................... 22
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LBI-39128 FIGURES AND TABLES LIST OF FIGURES AND TABLES Page Figure 1 - Location of PMU Components.................................................................................................... 6 Figure 2 - Card Layout for PDP Upgraded to VAX .................................................................................... 7 Figure 3 - Location of Fastener Screws on Computer.................................................................................. 8 Figure 4 - Location of PROM Ca
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SPECIFICATIONS LBI-39128 SPECIFICATIONS PMU: Mechanical: Width ............................................................ 19 in. (482.6 mm) Height............................................................ 3.5 in. (88.9 mm) Depth............................................................. 6 in. (152.4 mm) Weight........................................................... < 5 lb. (2.27 kg) Environmental: Temperature Range ....................................... 0° to 60° C (32° to 140° F) Rela
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LBI-39128 INTRODUCTION / DESCRIPTION The Site Controller computer tells the PMU which INTRODUCTION power sensors to monitor and when, by telling the PMU when each transmitter is keyed and unkeyed. This manual describes the installation and operation of the Decibel Products DB8860-based PMU (Power Monitor The PMU reports an alarm for a specific transmitter Unit) for non-simulcast EDACS (Enhanced Digital Access when the output power measurement for that transmitter Communications System) repeater
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APPLICATION NOTES LBI-39128 • PMU Enable - This parameter set (mask) defines APPLICATION NOTES (for each channel) if that channel number is to be monitored by the PMU. This parameter is not System Manager re-configurable and therefore all VAX SITE CONTROLLER COMPUTER equipped channels must be enabled. It is recommended that all 20 channels be enabled Make sure that the Site Controller computer, at the (equipped or not). location where this PMU is to be installed, is a VAX model or a PDP model th
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LBI-39128 INSTALLATION Access to the PROM card in previous VAX versions INSTALLATION and older PDP versions that were upgraded to a VAX version is through the top using the following procedure: SITE CONTROLLER HARDWARE 1. Turn off the Site Controller computer. Verify that the Site Controller computer is a VAX 2. Pull the Site Controller computer chassis all the model, or a PDP model that has been upgraded to a VAX way forward on its slide-out track. model (see the VAX Site Controller heading in
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INSTALLATION LBI-39128 The location of the Application Software and PMU HARDWARE Personality PROMs on the PROM card is shown in Figure 6. When replacing PROMs, be sure to get each new PROM There are three procedures for the installation of the in the correct location, and with the notched end as shown. PMU hardware. The procedure you should use will depend Be especially careful of location numbers 01 and 02 since upon whether or not the Site Controller cabinet presently these numbers are used fo
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LBI-39128 INSTALLATION Parts Required the four thread forming screws provided with it. (You will need a T15 Torx-head screwdriver.) If an old Before you start this procedure, be sure you have all the Power Sensor interface module is mounted there, parts on hand. The parts for this procedure are shown in replace it with the new 19C852632G1 interface module. Table 2. This interface module contains two 19C852379G1 Table 2 - Parts for Addition from No PMU Channel Termination Boards, each containing
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INSTALLATION LBI-39128 Sensor interface module in the EDACS Repeater If the Site Controller computer does not have modular cabinet containing the transmitter for channel #11 or RJ11-8 connectors on its back panel, connect the new #13). If the two cabinets are next to each other in the 19D903880P100 cable from the right-hand VDT same row, use a 5-ft 19D903880P120 cable. If the two Interface on the back of the PMU to connector #13 on cabinets are across from each other in different rows, the right
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LBI-39128 INSTALLATION Table 3 - Parts for Upgrade from Old PMU Daisy Chain Cable to Power Sensors for Transmitter Channels 11 - 20 Antenna Power Sensor Cable to Power Sensors for Antennas 1 & 2 Daisy Chain Cable to Power Sensors for Transmitter Channels 1 - 12 QTY PART # DESCRIPTION 19C852632G1 POWER SENSOR INTERFACE MODULE 1 350A1380P1 Decibel Products DB8860- 188D6466P2 Cables (5 Each) J3 based PMU Unit J4 J1 J2 J5 1 188D6466P1 Cable - PMU to Power J6 Sensor interface module J7 J9 J8 5 188D64
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INSTALLATION LBI-39128 Power Sensor interface module connector marked “J1”, Daisy Chain Cable to Power Sensors for Transmitter Channels 11 - 20 Antenna Power Sensor Cable to Power Sensors for Antennas 1 & 2 label the cable “J1” and disconnect it from the Power Daisy Chain Cable to Power Sensors for Transmitter Channels 1 - 12 Sensor interface module. 19C852632G1 POWER SENSOR INTERFACE MODULE 11. If a cable (or an existing 19C852379G1 Channel 188D6466P2 Cables (5 Each) J3 Termination Board) is co
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LBI-39128 INSTALLATION Procedure • Connect the five DB-25 connectors on the other end of the adapter cable marked “P5”, “P6”, “P7”, The following steps involve equipment in the Site “P8”, and “P9” to Port 1 through Port 5 Controller cabinet, except as noted: respectively on the back of the new PMU. 1. Mark the cables and wires going to the old PMU as 6. Connect the 188D6496P1 adapter cable as follows: follows: • Connect the DB-15 connector on the adapter cable • Mark “Antennas 1-4” on the cable
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INSTALLATION LBI-39128 on the back of the PMU (this cable will be re-connected RS232 CRT Terminal PMU (or PC COM Port) Left VDT Interface later in the installation). DB-25 (M) DB-25 (F) DB-25 (M) DB-25 (F) 2. Switch the On/Off switch on the back of the PMU to the Null Modem Cable 11 “On” position. Tx Data 2 2 Tx Data Rx Data33 Rx Data 3. Verify that the “PWR” indicator on the front panel of RTS 4 4 RTS CTS 5 5 CTS the PMU stays on continuously. DSR 6 6 DSR Ground 7 7 Ground 4. Verify that the th
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LBI-39128 INSTALLATION 4. Type 8860 and press the Enter key. The Operation 6. With the Setup Selection Menu shown on the terminal, Select Menu should then appear on the terminal as type 10 (for item #10 - Erase All Programming) and shown in Figure 15 (revision # and date may be press the Enter key. different). If the PMU does not respond to this entry, 7. At the “Enter Y to Continue, Any Other Character to the password may have been re-configured from its Abort:” prompt (after the warning messag
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INSTALLATION LBI-39128 14. With the Site Data #1 screen shown on the terminal, Time/Date/Password type 2 (for item #2 - Date) and press the Enter key. The following steps to set the time, date, and password 15. At the “Enter New Data:” prompt, type 4 numerical are optional and have no affect on the performance of the characters (do not type the / ) and press the Enter key. PMU: The first 2 numbers are for the month; the second 2 numbers are for the day of the month. Use the following 11. With th
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LBI-39128 INSTALLATION 19. At the “Enter New Data:” prompt, type up to 4 22. At the “Enter Channel Number” prompt, type the characters for the password and press the Enter key. channel number of the transmitter and press the Enter Check the password shown on the Site Data #1 screen key. The Analog Input Channel screen for that channel to be absolutely sure it is what you expected and want. should then appear on the terminal (see Figure 18). (If If not, return to step #8 and redo the password. If
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INSTALLATION LBI-39128 ANALOG INPUT CHANNEL 1 1. CHANNEL TYPE (0-13) = 3 2. DESCRIPTION = TX01 3. UNIT ID = AI01 4. MEASUREMENT UNITS = Watts 5. ALARM DELAY (1/4 sec) = 3 6. LOWER ALARM LIMIT = 0.0 7. UPPER ALARM LIMIT = 125.0 8. ALARM REPORT TYPES (1,2,3,4) = 9. ALARM RELAY NUMBER = 0 10. CHANNEL ENAB
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LBI-39128 INSTALLATION power (P in watts), and compare with the actual power positive). (An alternate method is to disconnect the measurement on the power meter. Because the table power sensor cable at the PMU - see interconnection does not contain all values of V and P, you may need to diagram at end of manual - and attach the DC voltmeter interpolate to get the values you need. to the end of the cable.) 7. Turn the calibration screw (clockwise if the measured 3. Manually key the transmitter us
