External Speaker; Irda Connector - BOSER Technology HS-4700 Manual

3.19 External Speaker

Aside from the buzzer at location BZ1 onboard, the HS-4700 also
offers a connector (CN6) for an external speaker connection. The table
below lists the pin assignments of CN6.
CN6: External Speaker Connector
PIN Description
1
2
3
4 Speaker Signal

3.20 IrDA Connector

IR1 is a 5-pin internal IR communication connector for connection of an
IrDA device.
IR1: IrDA Connector
PIN
1
2
3
4
5
22
1
VCC
GND
GND
Description
1
VCC
N/C
IRRX
GND
IRTX
4
2 3 4 5