User's Manual

8
FILE: IM401 service manual.doc 2006.01.10
E-TECH Co., Ltd 22/24
-Connector of Operation
Power Supply & External Speaker Jack
Connection Pin NO Function Remark
13.6V ⓐ Power Cable 13.6V
GND ⓑ Ground
Speaker OUT ⓒ External Speaker Jack
10PIN CONNECTOR DESCRIPTION
Connection Pin NO Function Remark
GND ① Ground GND
CPU_INT_PTT ② Push To Talk GND Enable
5V ③ Internal 5 Volt Regulator 5 Volt
FLAT_AUDIO_IN/OUT ④ Constant Audio Signal Level
S/W_BATT ⑤ Switched Battery 13.6V Enable
CPU_RSSI_DET ⑥ Received Signal Strength Indication
CPU_RX_PATH ⑦ Busy Rx
5V Enable
(Rx Signal Open)
MIC ⑧ MIC Input
CPU_SP_MUTE ⑨ Speaker ON/OFF
0V Enable
(Speaker Close)
CPU_TX_PATH ⑩ MIC MUTE
0V Enable
(MIC Input Close)
⑤
Antenna
⑥
①
ⓐ
⑩
ⓑ
ⓒ