Справочник Пользователя для Digi International Inc 50M1663

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120

115

I/O

USBN

DN_UDEV

USB device

USB device data line - 
connected to X12

116

P

-

VRTC

Backup battery for 
RTC, for 3V cell, 
power-switch-
over is on the 
module. Can be 
left floating, if 
RTC backup is not 
needed.

3V battery connected

117

P

-

GND

GND

118

P

-

+3.3V

+3.3V

119

P

-

VLIO

Mobile: Power 
from Li-Ion 
Battery 

Non-Mobile: 
connected to 3.3V

Delivers either power from Li-
Ion battery or 3.3V

120

P

-

+3.3V

+3.3V