Garmin GMA 342, Руководство по установке

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190-01878-02 GMA 342/345 Installation Manual
Rev. 5 Page 4-7
4.6.2 COM Audio and Mic Keys
4.6.3 Alert Audio I/O
Table 4-7 COM Audio and Mic Keys (GMA 342/345 2-COM unit only)
Pin Connector Pin Name Description I/O
12 J3401 COM 1 MIC KEY* OUT
Enables transmission on the
respective transceiver unit
OUT
30 J3401 COM 2 MIC KEY* OUT OUT
9 J3401 COM 1 AUDIO IN HI COM 1 Audio Input IN
11 J3401 COM 1 MIC AUDIO OUT HI COM 1 Audio Output OUT
10 J3401 COM 1 AUDIO LO Ground Reference for COM 1 --
13 J3401 COM 2 AUDIO IN HI COM 2 Audio Input IN
15 J3401 COM 2 MIC AUDIO OUT HI COM 2 Audio Output OUT
14 J3401 COM 2 AUDIO LO Ground Reference for COM 2 --
*Denotes Active Low (grounded when active)
Table 4-8 COM Audio and Mic Keys (GMA 345 3-COM unit only)
Pin Connector Pin Name Description I/O
3 J3401 COM 3 AUDIO IN
COM 3 Audio Input
(GMA 345 3-COM unit only)
IN
4 J3401 COM 3 AUDIO LO
Ground Reference for COM 1
(GMA 345 3-COM unit only)
--
5 J3401 COM 3 MIC OUT
COM 3 Audio Output
(GMA 345 3-COM unit only)
OUT
6 J3401 COM 3 MIC KEY* OUT
Enables transmission on the
respective transceiver unit
(GMA 345 3-COM unit only)
OUT
*Denotes Active Low (grounded when active)
Table 4-9 Alert Audio I/O
Pin Connector Pin Name Description I/O
31 J3401 ALERT 1 AUDIO IN HI Alert 1 Audio Input IN
32 J3401 ALERT 1 AUDIO IN LO Ground Reference for Alert 1 --
15 J3402 ALERT 2 AUDIO IN HI Alert 2 Audio Input IN
14 J3402
ALERT 2 LO, FAILSAFE AUDIO
IN LO
Ground Reference for Alert 2
29 J3401 ALERT 3 AUDIO IN HI Alert 3 Audio Input IN
43 J3401 ALERT 3, 4, AUX 3 AUDIO IN LO Ground Reference for Alert 3 & 4 --