Technical information

Chapter 2: Developer Board and Interfaces Description
August 31, 2009 G24/H24 - Developer’s Kit 21
Alert Speaker
The loud speaker connector (J480) is labeled ALERT. The speaker output is 8 ohms matched.
The Speaker Connector pinout (J480) is shown in Table 2-11.
4 Microphone audio-in
5 Ground
6 Headset pull down
Table 2-11: Alert Speaker Connector Pinout (J480)
Pin # Description
1 Not connected
2 Speaker positive output
3 Not connected
4 Speaker negative output
Table 2-10: Headset Connector Pinout (J440) (Cont.)
Pin # Description