Technical Handbook
Table Of Contents
- 1 General Information
- 1.1 Introduction
- 1.2 Product Type Numbers
- 1.3 Abbreviations
- 2 Physical Organization
- 2.1 Module and Assembly Location
- 2.2 Service Kit Assembly
- 2.3 Power Supply
- 3 System description
- 3.1 Overview
- 3.2 Physical Description
- 3.3 Monitors
- 3.4 Transmitters / Modulators
- 3.5 TX Control
- 3.6 Remote Monitoring (RMS) Unit
- 3.7 Remote Control Unit
- 3.8 Remote Slave Panel
- 3.9 Remote Maintenance Monitoring (RMM)
- 4 Technical Specifications
- 4.1 Signal Minimum Performance GP
- 4.2 Environmental Characteristics
- 4.3 EMC Characteristics
- 4.4 Mechanical Characteristics
- 4.5 Power Supply
- 5 Mechanical Installation
- 5.1 Mounting Kit MK1343A
- 5.2 Moving RF Connectors
- 6 Electrical Installation
- 6.1 Connection Overview
- 6.2 Power and Battery
- 6.3 RF Inputs
- 6.4 RF Outputs
- 6.5 DC Loop (Localizer only)
- 6.6 Remote Control
- 6.7 PC and Modem
- 6.8 DME (localizer only)
- 6.9 For the Fernau 2020 DME the following connection is recommended
- 6.10 Analog Inputs
- 6.11 Digital Inputs and Outputs
- 6.12 Battery Warning
- 6.13 Remote control connections
- 6.14 Automatic shutdown of GP
- 6.15 Remote slave connection
- 6.16 Interlock switch connection
- 7 Tests and Adjustments
- 7.1 Configuration Settings
- 7.2 Technical note - Leased Line Setup for Remote Control (Westermo)
- 7.3 Transmitter Alignments and Calibration
- 7.3.1 RF Phase Feedback Adjustment
- 7.3.2 RF Power
- 7.3.3 LF Phase Adjustment
- 7.3.3.1 One-frequency system
- 7.3.3.2 Two-frequency system
- 7.3.4 RF Power Balance Adjustment
- 7.3.5 RF Phase at Combiner I/P
- 7.3.6 SDM Calibration
- 7.3.7 DDM Calibration
- 7.3.7.1 Test DDM Setting
- 7.3.8 Ident Tone Modulation Depth
- 7.3.8.1 Method 1
- 7.3.8.2 Method 2
- 7.3.9 RF Frequency Adjustment
- 7.4 Antenna System Adjustments
- 7.5 Monitor Alignment and Calibration.
- 7.6 Monitor Alarm Setting Procedure
- 7.7 Maintenance Limit Adjustments
- 7.8 Adjustment points
- 8 Functional Description
- 8.1 Introduction
- 8.2 Transmitter
- 8.3 Monitor
- 8.4 Transmitter Control
- 8.5 Remote control system
- 8.6 Remote Monitoring System (RMS)
- 8.7 Power Supply
- 9 Detailed description
- 9.1 Main Cabinet
- 9.1.1 MF1219A Glidepath Monitor Frontend
- 9.1.2 MO1212A Monitor
- 9.1.2.1 NMP101A Monitor Digital Frontend
- 9.1.2.2 NMP102A / NMP103A Comparator
- 9.1.3 TCA1218A Transmitter Control Assembly
- 9.1.3.1 NMP104A Station Control Monitor Data Detector
- 9.1.3.2 NMP105A Station Control Event Detection
- 9.1.3.3 NMP106A Station Control State Machine Control
- 9.1.3.4 NMP107A Terminator
- 9.1.3.5 NMP109A Remote Control Interface
- 9.1.4 LF1223A Low Frequency Generator
- 9.1.4.1 NMP110A Low Frequency Generator Control
- 9.1.5 OS1221B RF Oscillator
- 9.1.6 GPA1231A Glidepath Course Power Amplifier Assembly
- 9.1.7 GPA1232A Glidepath Clearance Power Amplifier Assembly
- 9.1.7.1 PA1234A Power Amplifier
- 9.1.7.2 AC1226A Amplitude control
- 9.1.7.3 PC1225B Phase Control
- 9.1.7.4 FD1236A Feedback Detector
- 9.1.7.5 FD1224A Feedback detector
- 9.1.7.6 CD1238A Combiner Detector
- 9.1.8 COA1207C Change-Over Assembly
- 9.1.9 PS1227A Power Supply
- 9.1.10 RMA1215A RMS Assembly
- 9.1.11 CI1210A External Connection Interface
- 9.1.12 MB1203A Monitor Section Motherboard
- 9.2 Tower Equipment
- 10 Parts Lists
- 10.1 Introduction
- 10.2 Parts Lists
- 10.3 Usable on code index
- 10.4 Figures
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Table 9-1 MB1203A plug in module connectors.
9.2 Tower Equipment
The following paragraphs describes the modules to be located in the control tower.
9.2.1 RCA1240C Remote Control Assembly
General Description:
The RCA1240C remote control assembly consists of the remote control RC1241A and front
panel RF1242A, and provides the user interface to the ILS Cabinet from the control tower or
technical equipment room. The RCA1240C is connected to the ILS cabinet either using ordi-
nary telephone lines or using the RS232 interface selected by jumper plugs on the RC1241A.
The telephone line interface conforms to V.21 standard (300 baud FSK) for use with ordinary
2-wire 600 ohm telephone line. The transmitter level is -10 dBm, and the receivers dynamic
range is from -10 dBm to -34 dBm.
Most of the functionality of the remote control is provided by the FPGA NMP128A described in
chapter 9.2.1.1.
Section # Module
Monitor 1
1
MO 1212A
1
MF 1211A
1
External Frontend 1
Monitor 2
1
MO 1212A
1
MF 1211A
1
External Frontend 2
Standby Monitor
1
MO 1212A
1
MF 1211A
Station Control
1
TCA 1218A
RMS
1
RMA 1215A
Transmitter 1
1
LF 1223A
1
OS 1221 A/B
Transmitter 2
1
LF 1223A
1
OS 1221A/B
Power Supply
2
PS 1227A