User's Manual

31-3MDR00HB Page 13 Overview
Draft
MDR Applications
In addition to operating in a conventional AM-Voice mode, the MDR can operate in two VHF air-ground
data link services: ACARS and VDL mode 2.
ACARS is a low-speed data link in wide use throughout the world, operating at 2.4 kbits per second using
MSK modulation.
VDL mode 2 is a higher bandwidth, connection orientated service, operating at 31.5 kbits per second
using D8PSK modulation.
Hardware Configuration
The product model is: 6525 MDR.
The part number is: B6525.
A hardware configuration label is fixed to the MDR’s rear panel. The label shows the model, part number,
serial number and modification status. An example label is shown in Fig 3.
Fig 3 Hardware Configuration Label
Software Configuration
The part order number is TBD (customer specific). This number encompasses the hardware part number
detailed above, fitted with the software detailed below.
Any two of the four available software fills can be stored in the MDR at any one time. A software
configuration label, as shown in Fig 4, is fixed to the MDR’s top cover. This label details the part numbers
for the four mode software fills, and the permanently installed Ethernet software.
Fig 4 Software Label
Model:
Part No:
S / No:
Mod Record:
6525 MDR
B6525
1M2345
1 2 3 4 5 6 7 8 9
Park Air Systems Ltd England
PAE
Software Configuration
Part Order No. TBD (customer specific)
Software Mode Part No.
Fill * AM Voice TBD (customer specific)
Fill * AM Analogue ACARS TBD (customer specific)
Fill * AM Digital ACARS TBD (customer specific)
Fill * VDL Mode 2 TBD (customer specific)
Interface Ethernet TBD (customer specific)
*Only 2 are stored in the radio at any one time