Avidyne IFD540, Installation Manual

Page: 68 / 198

IFD5XX Installation Manual
600-00299-000 Page 68 of 198 Revision: 02
6.1.11.1 Serial/Parallel Tuning
Description Connector Pin
Signal
Type
NAV PAR DME – 8MHz P1006 14 Output
SER DME – CHAN REQ/PAR DME –
4MHz
P1006 20
Output*
SER DME – RNAV MODE/PAR DME –
2MHz
P1006 21
Output*
NAV PAR DME – 1MHz P1006 33 Output
NAV PAR DME – 800 kHz P1006 37 Output
NAV PAR DME – 400 kHz P1006 39 Output
NAV PAR DME – 200 kHz P1006 40 Output
NAV PAR DME – 100 kHz P1006 42 Output
NAV PAR DME – 50 kHz P1006 43 Output
NAV DME COMMON P1006 22 Input
Table 46: DME Serial/Parallel Output
*
Used for 2x5 parallel DME tuning.
NAV DME Common must be pulled low for the IFD5XX to channel the DME. DME is active
if the voltage to ground is <1.9 V or the resistance to ground is <375 .
Outputs is not more than 1.0V while sinking 20 mA.
6.1.11.2 King Serial DME Tuning
Description Connector Pin
Signal
Type
NAV Serial DME – DATA P1006 19 Output
NAV Serial DME – Clock P1006 18 Output*
Serial DME – CHAN REQ/PAR DME –
4MHz
P1006 20
Output*
Serial DME – RNAV Mode/PAR DME –
2MHz
P1006 21
Output
NAV DME Common P1006 22 Output
Table 47: DME Serial Tuning
Output high is >8V when driving a 360 and < 10mV for a low.
NAV DME Common must be pulled low for the IFD5XX to channel the DME. DME is active
if the voltage to ground is <1.9 V or the resistance to ground is <375 .