User`s manual

Connect Tech Xtreme/104-Plus User’s Manual
Revision 0.04
23
PC Bus Interface
3.3V or 5V PC/104-Plus or PCI-104
Dimensions
PC/104-Plus Standard
Communications
Baud Rates
RS-232/TTL: 50 bps – 921.6 Kbps
RS-422/485: 50 bps – 1.8432 Mbps
RS-423: 50 bps – 115.2 Kbps
UARTs
Dual, quad or octal Exar PCI UARTs provide 64 byte transmit and receive
FIFO buffers for each port
Control Signals
Xtreme/104-Plus RS-423 Models
RS-423: TxD-, TxDRef, RxD +/-, RTS-, RTSRef and CTS +/-
Xtreme/104-Plus RS-232/422/485 Models
RS-232: TxD, RxD, RTS, CTS, RI, DTR, DSR, DCD and Signal Ground (SG)
RS-422/485: TxD +/- , RxD +/- , RTS +/- , CTS +/- and Signal Return (SR)
Xtreme/104-Plus RS-232/422/485/TTL Models
RS-232/TTL: TxD, RxD, RTS, CTS, RI, DTR, DSR, DCD, Signal Ground (SG) and +5V
RS-422/485: TxD +/-, RxD +/- and Signal Return (SR)
Xtreme/104-Plus Opto RS-232/422/485 Models
RS-232: TxD, RxD, RTS, CTS and Signal Ground (SG)
RS-422/485: TxD +/- , RxD +/- , RTS +/- , CTS +/- and Signal Return (SR)
Certification
The Xtreme/104-Plus product family is to be included into a device ultimately subject to FCC,
DOC/IC, and CE certification. The customer is responsible for bringing the completed device
into compliance prior to resale. Connect Tech has designed the Xtreme/104-Plus and
Xtreme/104-Plus Opto with EMI and EMC considerations such as:
 Ground and power planes
 EMI/EMC reducing PCB layout