SAMBA3G-G
Version 1.0.3
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Page 14 of 22
5 INTERFACES IN OVERVIEW
The table below lists all interfaces available on the SAMBA3G-G modem:
Interface specifications
USB
USB A-type plug connector is used to connect the modem to a USB host.
LED
Used to show the status of the modem.
SIM
SIM card reader for small SIM cards (3/1.8V).
Table 4:
Modem interfaces
Figure 1:
View of SAMBA3G-G interfaces.
5.1 4pin USB Type A connector
The physical interface to the modem application is made through the USB connector which
simplifies setup and operation of the modem. It allows direct connection to a USB host port and it
gives you maximum life from your laptop's battery in that it draws power directly from the USB
port and only uses the battery when plugged in.
Figure 2:
Pinout of the USB connector
The following table lists the pin configuration of the USB connector on the SAMBA3G-G, viewed
from face of plug.
PIN
NAME
DESCRIPTION
1
VCC
+ 5V
2
D -
Data -
3
D +
Data +
4
GND
Ground
Table 5:
Pinout of the USB connector on the SAMABA3G modem
