SST-2450 Wireless Modem Users Manual Ver1.5, Feb /2003, OMH-030-10, ---10
4.1.3. Connecting the 7188 Embedded Controller to the 7000 module Using Mode 3
Both SST-2450 modules are setting as follows:
Half-Duplex
Synchronous
Slave
Baudrate: 57600bps Max.