
The information contained herein is the exclusive property of Universal Scientific Industrial Co., Ltd. and shall not be distributed,
reproduced, or disclosed in whole or in part without prior written permission of USI Co., Ltd. 頁4
Reference Type Description Support Non-Support
J8 USB Conn. Connect host PC or download firmware V
J7 Pin Header Select external power supplier (+)
(Default is ‘Open’.)V
J9 Pin Header Select external power supply (-)
(Default is ‘Open’.)V
SW1 On/off switch Module on/off control V
J55 Pin Header Module on/off control (Default is ‘Open’.)V
J15 Ant. Conn. Main antenna SMAConnector V
J16 Ant. Conn. AUX antenna SMAConnector V
U24 SIM 1 Conn. Connect SIM Card V
U21 SIM 2 Conn. Connect SIM Card V
J18 COM port 0 Debug Pin V
J19 COM port 1 Transmit/ ReceiveAT Command. V
J21 Pin Header Factory Test (Default is ‘Open’.)V
J23 Pin Header UART0 & UART1 signal connector
(Default is ‘Open’.)V
J30 Pin Header Factory Test (Default is ‘Open’.)V
J24 Pin Header PCM signal connector (Default is ‘Open’.)V
J56 Pin Header Wake up AP in AP sleep mode
(wake up AP) (Default is ‘Open’.)V
J54 Pin Header Wake up module in module sleep mode
(wake up modem) (Default is ‘Open’.)V
J2 Headset Conn. EAR PHONE & MIC V
J28 Audio Conn. Audio LINE-OUT V
J29 Audio Conn. Audio LINE-IN V
J42 Switch Conn. Slide-Style Switch. V
J52 Pin Header Factory Test (Default is ‘Open’.)V
J51 Pin Header Factory Test (Default is ‘Open’.)V
J57 Pin Header Factory Test (Default is ‘Open’.)V
J34 Pin Header Factory Test (Default is ‘Open’.)V
J35 Pin Header Factory Test (Default is ‘Open’.)V
J50 Pin Header Factory Test (Default is ‘Open’.)V
J22 Pin Header Factory Test (Default is ‘Open’.)V
J25 Pin Header Factory Test (Default is ‘Open’.)V
J26 Pin Header Factory Test (Default is ‘Open’.)V