SI2457-D-FT Silicon Laboratories Inc, SI2457-D-FT Datasheet - Page 245

• Manufacturer Part Number: SI2457-D-FT
• Description: IC ISOMODEM SYSTEM-SIDE 24TSSOP
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2457-D-FT

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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Connect prototype system ground to EVB ground
Disable RS232 transceiver outputs (check evaluation board data sheet)
Disconnect prototype modem interface
Connect the evaluation board to the target system
Controller
Connect prototype system ground to EVB ground
Remove modem module from EVB
Disconnect host outputs from prototype modem
Connect EVB RS232 transceivers to prototype modem
Use PC with HyperTerminal to test prototype modem
Controller
Host
PC
Host
EVB
Transceiver
EVB
Transceiver
RS232
UART
RS232
Host
UART
Host
Figure 41. Test the Prototype Modem
Figure 40. Test the Host Interface
Rev. 1.3
Si24xx
Si24xx
Si24xx
Si24xx
Si3018
Si3018
Si3018
Si3018
Prototype System
Prototype System
Discretes
Discretes
Discretes
Discretes
AN93
To
Phone
Line
To
Phone
Line
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