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LLZ 421
Operation and Maintenance Alignment Procedure LLZ−1F (LPD)
ILS 420
7−3
Ed. 07.08 SOAC
7.1 GENERAL PREREQUISITES
This chapter is a step by step field alignment procedure. It assumes that the transmitter cabinet has
been factory aligned and tested.
7.1.1 Operation via Personal Computer
A standard or Laptop PC is used to perform locally the first alignment of the installation. Usually suit-
able PC equipment is already available at site. Otherwise it can be delivered on request as an option.
A user program for controlling the Navaids station has to be installed on the PC. The adjustment of
the transmitter and monitor parameters is performed via this PC/laptop using the corresponding func-
tions/windows of the user program.
Two different PC user programs for controlling the Navaids station are available at the moment, the
MCS user program or the ADRACS user program.
7.1.1.1 PC with MCS User Program
The locally connected PC/Laptop with the MCS User Program can occupy the roles CWP (Controller
Working Position) or MCWP (Mediator Controller Working Position), see Technical Manual
MCS (Ref.
No. 83140 55325).
In the standard application the local PC/Laptop is used as MCWP, i.e. the MCS application GUI, the
SNMP Proxy agents and the Direct Connect option are installed to the PC/Laptop. The Laptop is con-
nected to the connector Local PC on top of the cabinet.
In an optional application (currently only available for DVOR/CVOR systems) the local PC/Laptop is
used as CWP, i.e. the MCS application GUI is installed to the PC/Laptop and the SNMP Proxy agents
are installed to a built−in intelligent board, the optional ETX−CPU board. The Laptop is connected
to the connector ETHERNET on top of the cabinet which is fed to the ETX−CPU board.
The corresponding MCS application software should be installed on the available PC/Laptop. For
installation procedure refer to the Technical Manual MCS.
CAUTION
Do not use both connections simultaneously to avoid confusion in the data management!
The PC/Laptop used for the CWP role or MCWP role should be built by a quality PC manufacturer
and must meet the following requirements:
CWP MCWP
− Processor; clock
− Power supply units
− Main memory
− VGA memory
− HDD
− CDROM
− Input via mouse
− Serial connector
− USB connector
− Network adapter Intel P4, AMD K7; 2 GHz (or better)
1
512 MB (or better)
32 MB (or better)
20 GB (or better)
x
x
−
recommended
x Intel P4, AMD K7; 2 GHz (or better)
2
512 MB (or better)
32 MB (or better)
2x 20 GB (or better)
x
x
1 per connected Navaids device
recommended
x
− Operating system WinNT, W2K, WindowsXP, Fedora
Core 4 (FC4), Red Hat 9 (RH9) Fedora Core 4 (FC4),
Red Hat 9 (RH9)
− Free disk space for MCS 100 MB (without Data Base option),
min. 10 GB (with DB option) 100 MB (without Data Base option),
min. 10 GB (with DB option)
− SUN Java VM 1.5.0 (or higher) 1.5.0 (or higher)