SECTION 6 GPS INTERFACE INSTALLATION
The model E-04 ELT will interface and recognize EIA standard RS 232 data at 1200, 2400,
4800, and 9600 baud from NMEA 0183 sources, Garmin panel mount, and handheld GPS’s
along with Bendix/King GPS’s. See section 18 for GPS data formats, and connection
information, along with other manufacturers GPS’s known to be compatible.
7
To change the baud rate, one or two jumpers are installed on the digital board of the ELT. To
accomplish this remove the four screws at the front of the ELT, and remove the battery pack.
(Fig. 9) Figure 10 shows how to position the jumper on the digital board for the various baud
rates. After selecting the desired baud rate, replace the battery pack, and torque the screws
to 3-4 in. lbs. The model E-04 ELT is interfaced to the aircraft source of navigation data
through a four pin mini din connector. Three of the pins are used for interfacing with the
aircraft systems, and the fourth pin is used to verify the ELT is receiving and processing the
data properly after installing the ELT.
A three conductor shielded cable 24 AWG or heaver,
(Aircraft Spruce P/N 11-04478 or equivalent) should be used to connect the ELT RS 232 data
and power to the aircraft systems. Figure 11 shows the pin outs for RS 232, and power input.
1.) Disassemble the mini DIN connector, noting the position of the parts for reference when
reassembling the connector .
2.) Connect one conductor to pin 1 of the DIN connector, and to 10 - 30 volts DC from the
aircraft buss. Protect the circuit with a one amp fuse or circuit breaker. (Fig. 13)
3.) Connect one conductor to pin 3 (Fig. 12.1) and connect to aircraft ground at the cockpit.
connect the outer shield to ground, at the cockpit end only. (Fig. 13)
4.) Connect one conductor to pin 4 of the din connector, for the RS 232 output from the
navigation equipment providing data. Make sure this data conforms to one of our
recognized data formats, and baud rates. (Fig.13)
5.) Bring a short 4” 24 AWG wire out from pin 2 to be used later in verifying that the ELT is
receiving, and processing the GPS data properly. (Fig 12.4)
Содержание E-04
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