ACR&Artex 2-Wire ELT__RSWT Interface - Manual (Page 18)

ACR Electronics, Inc. 570-0049 Revision B
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Page 18 of 30
7.2 140-3349 TOGGLE SWITCH WIRING (14 VDC INSTALLATION)
Improperly wiring the aircraft power to the D-sub will irreversibly damage
the interface.
7.2.1 Solder the wires from the 453-0032 interface to the toggle switch according to the following
information for 14 VDC aircraft power:
Table 7: 14 VDC Aircraft Power
CONTACT LOCATION
TOGGLE
SWITCH
CONTACT #
453-0032 INTERFACE
DESCRIPTION CONTACT #
1 N/A N/A
2 Ground 9
3 Ext. On 7
4 Reset 1 6
5 N/A N/A
6 Reset 2 3
Diodes not shown
7
Aircraft Power
(14 VDC)
4
8 N/A N/A
9 Light 14 (-) 8
Figure 4: 453-0032 Wiring Diagram For 14 VDC Installation
NOTE: The toggle switch is not grounded to the ELT, so the system works for metallic and
composite aircrafts when the beacon and the toggle are installed far apart.