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3-7
STH-N271
Test Procedure
Table 5- DSUB 25pin Connector
DSUB 25Pin
Signal Name
Comment
1
GND
2
NC
3
NC
4
BATT
5
NC
6
BATT
7
HP_PWR
External power ( Test I/F Adapter / HFK)
8
NC
9
NC
10
TX_AUDIO
HFK audio transmitter signal
11
GND
12
RX_AUDIO
HFK audio receiver signal
13
GND
14
NC
15
GND
16
NC
17
NC
18
SIN2
UART2 OUT signal
19
SOUT2
UART2 IN signal
20
NC
21
DP_RX_DATA
UART1 RX data
22
DP_TX_DATA
UART1 TX data
23
BOOT
BOOT & Data IN (serial interface)
24
NC
25
NC