University of Kansas
7
4-Channel Iridium System - Design
Iridium Gateway
PSTN
USB-SERIAL
�I. Modem 3
�I. Modem 4
�I. Modem 2
�I. Modem 1
Antenna Grid
Multi-port PCI card
Remote System
PPP client
�Local System
PPP Server
Modem Pool
Remote Subsystem
Local Subsystem
n4 Iridium � 4 PSTN data configuration
nDiscrete components
nPatch antennas
nControl software on a rugged Laptop