If you do not possess the Irda door in the PC, buy it!!! But if you do not have
the minimal intention of to buy here as you can autobuild it a connection cable.
The scheme electrical presented has been supplied from Mario Di Domenicantonio.
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Datasheet
Read this text:
Voltage Regolator LM78L05
Circuito Integrato Maxim Rs-232.zip
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RS-232 PinOUT
Pin |
Name |
Function |
1 |
DCD |
Received Line Signal Detector |
2 |
RXD |
Received Data |
3 |
TXD |
Transmitted Data |
4 |
DTR |
Data Terminal Ready |
5 |
GND |
Signal Ground |
6 |
DSR |
Data Set Ready |
7 |
RTS |
Request To Send |
8 |
CTS |
Clear To Send |
9 |
RI |
Ring Indicator |
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S25 PinOUT
Pin |
Name |
Function |
in/out |
1 |
GND |
Ground |
|
2 |
SELF-SERVICE |
Recognition/control battery charger |
in/out |
3 |
LOAD |
Charging voltage |
in |
4 |
BATTERY |
Battery |
out |
5 |
DATA OUT |
Data sent |
out |
6 |
DATA IN |
Data received |
in |
7 |
Z_CLK |
Recognition/control accessories |
|
8 |
Z_DATA |
Recognition/control accessories |
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9 |
MICG |
Ground for microphone |
|
10 |
MIC |
Microphone input |
in |
11 |
AUD |
Loudspeaker |
out |
12 |
AUDG |
Ground for external speaker |
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Notes:
- The telephone detects the attached battery charger via Pin 2 and controls this via
a PCM signal at the same pin.
- Accessories are detected via Pins 7 and 8
- The Headset identifies itself through HIGH/LOW instead of HIGH/HIGH
Good Job.
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