Ethernet (Hsdb); Main Audio Output - Garmin GTN 725 Installation Manual

4.3.5

Ethernet (HSDB)

ETHERNET OUT 1 A
ETHERNET OUT 1 B
ETHERNET IN 1 A
ETHERNET IN 1 B
ETHERNET OUT 2 A
ETHERNET OUT 2 B
ETHERNET IN 2 A
ETHERNET IN 2 B
ETHERNET OUT 3 A
ETHERNET OUT 3 B
ETHERNET IN 3 A
ETHERNET IN 3 B
ETHERNET OUT 4 A
ETHERNET OUT 4 B
ETHERNET IN 4 A
ETHERNET IN 4 B
The Ethernet-based HSDB (High Speed Data Bus) meets the hardware aspects of IEEE standard 802.3 for
10 base T Ethernet communications.
4.3.6

Main Audio Output

The main audio output is used to play the 'clicks' associated with the touch screen, as well as TAWS
alerts on GTN units that are equipped with TAWS.
AUDIO OUT HI
AUDIO OUT LO
The audio output will be 80 mW across a 500Ω load.
GTN 725/750 TSO Installation Manual
190-01007-02
Pin Name
Pin Name
Connector Pin
P1002 8
P1002 9
P1002 6
P1002 7
P1002 17
P1002 18
P1002 15
P1002 16
P1002 25
P1002 26
P1002 23
P1002 24
P1002 4
P1002 5
P1002 13
P1002 14
Connector Pin
P1001 4
P1001 23
I/O
Out
Out
In
In
Out
Out
In
In
Out
Out
In
In
Out
Out
In
In
I/O
Out
Out
Page 4-15
Rev. A