User Manual

3. HARDWARE DESCRIPTION
3.1 System Interface
The I/O connectors of H20 module are PCI EXPRESS MINI CARD and two RF
antenna connectors. Table 3-1 summarizes the 25 signals and 18 power lines that are
supported by the PCI Express Mini Card System Interface. Table 3-2 shows the
antenna interface.
Table 3-1 System Interface
Signal Group Pin no. Description
Power 5 3.3V power source
GND 13 Return current path
USB 2 USB serial data interface compliant to the USB 2.0 specification
PERST# 1 Function reset to the card
W_DISABLE# 1 Shutdown the HSDPA module
UIM 4 SIM function
LED 3 Status indicators
Table 3-2 Antenna interface
Signal Group Connector no. Description
ANT 2 Antenna interface