Multitech MultiConnect MTPCIE-H5 Developer's Manual page 58

SPECIFICATIONS
PIN # Name
48 DTR
49 RXD
50 GND
51 TXD
52 3.3Vaux
58
I/O Function
I 3G Cellular UART 1.8V
DTR
O 3G Cellular UART 1.8V
Receive data
Ground
I 3G Cellular UART 1.8V
transmit data
I 3.3Vaux
Type Notes
Avoid having any
HIGH logic level
signal applied to
any 3G input digital
pins when the 3G
module is powered
off or during an
ON/OFF transition.
Avoid having any
HIGH logic level
signal applied to
any 3G input digital
pins when the 3G
module is powered
off or during an
ON/OFF transition.
TM
MultiConnect PCIe MTPCIE-H5/MTPCIE-BW Developer Guide
MTPCIE-H5- MTPCIE-
V-BW H5
no
function
no
function
no
function
MTPCIE-
H5-V