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I.L. 40-385.1B
PREFACE
Scope
This manual describes the functions and features of the MDAR Relay System. It is intended primarily for use by
engineers and technicians involved in the installation, testing, operation and maintenance of the MDAR system.
Equipment Identification
The MDAR equipment is identified by the Catalog Number on the MDAR chassis nameplate. The Catalog Num-
ber can be decoded by using Catalog Number Table 3-1 (see Section 3).
Production Changes
When engineering and production changes are made to the MDAR equipment, a revision notation (SUB #) is
reflected on the appropriate schematic diagram, and associated parts information. A summary of all Sub #s for
the particular release is shown below.
Equipment Repair
Repair work is done most satisfactorily at the factory. When returning equipment, carefully pack modules and
other units, etc. All equipment should be returned in the original packing containers if possible. Any damage due
to improperly packed items will be charged to the customer.
Document Overview
The circuitry is divided into 6 standard modules and one option module. Section 1 provides the Product Descrip-
tion, which includes software functions. Appendices A through G include related module circuit descriptions.
Section 2 presents the Specifications. Section 3 presents Non-Pilot applications (see Appendix H for the option-
al Pilot System) with related Catalog Numbers for ordering purposes. MDAR Installation, Operation and Main-
tenance are described in Section 4, with related Setting Calculations in Section 5. Acceptance Tests for both
Non-Pilot and Pilot System are described in Appendix I. System Diagrams are included in Appendix J.
Contents of Relay System
The MDAR Relay System includes the style numbers, listed below, with appropriate sub numbers (representing
revision levels) for each module. Addenda pages may be included (representing future revisions).
Module
• Backplane
(Sub-Backplane Xfmr)
• Interconnect
• Option
• Filter
• Microprocessor
• Display
• Power Supply
Software System
MDAR software version V2.01 is included in this I.L.
Setting Nomenclature Appliques
If this I.L. is included as part of the shipment of an MDAR Relay system, the I.L. will contain setting nomenclature
appliques which can be placed in a convenient location, e.g., inside the two FT-14 covers. The appliques pro-
vide a convenient (and complete) set of MDAR "settings" (see Table 4-1 for setting nomenclature). There are
two appliques which are printed protective sheets (contained in a plastic envelope); the back of the sheets can
be removed thereby exposing a stick-on surface.
Style and Sub Number
1609C23-4
1498B70-2
1611C30-2
1608C39-4
1608C38-5
1611C14-1
1609C01-3
1608C35-10
ii
Addenda
(5/92)
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