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HSS-730/830 & UFD505/515 SERVICE MANUAL
3.5.7. Front Panel Connector Configuration
PIN number
3.5.8. RS-232 Connector Configuration
A RS-232C serial interface is provided on a 9-pin D-type female connector. This interface may be
used to connect an STB to the PC for an entire software downloading and error monitoring.
Pin Number
Signal
1
Digit1
2
Digit2
3
Digit3
4
Digit4
5
Standby5V
6
Digit_data1
7
Digit_data2
8
Digit_data3
9
Digit_data4
10
Digit_data5
11
Digit_data6
12
Digit_data7
13
Digit_data8
14
Standby5V
15
Row0
16
Row1
17
Row2
18
Col0
19
Col1
20
Col2
21
IR_RCV
22
TV_DBS_LED
23
Remote_LED
24
Pw_on_LED
25
GND
26
GND
Signal
1
Not Connected
2
RXD
3
TXD
4
Not Connected
5
GND
6
Not Connected
7
Not Connected
8
Not Connected
9
Not Connected
Description
FND digit1 select
FND digit2 select
FND digit3 select
FND digit4 select
Power 5V
FND digit data1
FND digit data2
FND digit data3
FND digit data4
FND digit data5
FND digit data6
FND digit data7
FND digit data8
Power 5V
Front Key Row data0
Front Key Row data1
Front Key Row data2
Front Key Column data0
Front Key Column data1
Front Key Column data2
Remocon sensor data
Control for TV/DBS LED
Remocon sensor operating for LED
Control for standby Power on/off
Ground
Ground
Signal Description
Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Clear To Send
Request To Send
Ring Indicator
HDT DVB SATELLITE STB
Page
17
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