Honeywell International Inc. DMA-37B2 Manuale Utente

Page 2007

10 Oct 2007

DMA-37B DME System

© Honeywell International Inc. Do not copy without express permission of Honeywell.

(2) Reserved and Spare Wires

(a) If the installer does not wish to connect all wires, he can select wires reserved for 

optional functions which his system does not contain and delete these wires. He 

must also decide which future spare wires to include in the installation. Reserved 

and spare wires are identified in interwiring diagram Figure 2006.

(3) Source/Destination Identifier (SDI) Encoding

(a) A connection is required from the common pin MP6C to the appropriate 

source/destination identifier (SDI) pin to identify each DMA-37B in multiple system 

installations. Installations having only one DMA-37B must include a connection 

identifying it as the No. 1 system. These connections must not be omitted from any 

installation. See Figure 2006 notes for the SDI encoding scheme for pins MP1C, 

MP1D, and MP1E.

(1) Mounting Base

(a) The selected mounting base for the DMA-37B DME Interrogator must be wired 

according to the system interwiring diagram, Figure 2006, and installed according 

to the manufacturer’s instructions. The mounts are designed to be removed without 

rewiring the connectors. Follow the equipment manufacturer’s installation 

instructions to install the mount into the airframe.

(b) To wire the mounts into the system, first remove the mount connector cover and 

connector plate assembly. Then crimp or solder (as applicable) the interconnecting 

wiring to the appropriate connector pins. Finally, return the connector plate 

assembly and cover to their original positions.
NOTE: To allow for inspection or repair of the connector, or the wiring to the 

connector, sufficient lead length must be left so that the rear connector 

assembly can be pulled forward several inches when the mounting 

hardware for the rear connector assembly is removed. A bend must be 

made in the harness near the connector to allow water droplets, that might 

form on the harness from condensation, to drip off at the bend and not 

collect at the connector.

BP10

---

---

---

BP11

Input

Chassis Ground

Chassis ground

BP12

Input/

Output

Suppressor

This analog port is both an input and an output. 

When the DMA-37B is receiving, this line will 

receive suppression pulses from other pulse 

equipment, and when the DMA-37B is 

transmitting, this line will transmit suppression 

pulses to other pulse equipment.

BP13

Output Reserved for Video Output

Output for the video output signal from the 

DMA-37B receiver.

Table 2001. DMA-37B DME Interrogator Connector Determinants (cont)