XT/104-OPT4

PC/104 4-port RS-232/422/485 with 3kV isolation

  • Description
  • Specifications
  • Ordering Guide

Compact yet powerful, the XT/104-OPT4 performs where others fail. Durable and stackable, XT/104-OPT4’s small PC/104 form factor makes it the ideal serial communications link in today’s demanding embedded systems.

XT/104 OTP4 offers 3 kV optical isolation on all signals and ports to ensure smooth, error-free transmission of data even in the noisiest environments. With the added feature of industrial temperature range operation, this PC/104 serial card is well suited to any embedded computer system that is exposed to harsh conditions.

Based on the 16C2850 UART with 128 byte transmit and receive FIFO buffers, XT/104 OTP4 provides rapid data communications for your military, aerospace, medical, transportation and industrial automation applications.

Number of serial ports XT/104-OPT2 – 2-port
XT/104-OPT4 – 4-port
Protocol RS-232, RS-422, RS-485 (jumper selected)
Optical Isolation Each port is isolated up to 3 kV AC peak, 3.0 kV DC and 2.1 kV AC RMS on all signals
Control Signals RS-232: TxD, RxD, RTS, CTS
RS-422/485: TxD±. RxD±, CTS±, RTS±
Maximum baud rate RS-232: 50 ~ 230.4 Kbps
RS-422/485: 50 ~ 460.8Kbps
I/O Addresses Eight pre-defined sets of I/O addresses (jumper selectable)
Interrupts 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15 (jumper selectable)
Bus PC/104
Dimensions 90 x 96 mm
Power supply +5VDC ±5% @ 260mA max.
Operating Temperature -40 to +85°C
Model Description
XTG490221 PC/104 4-port RS-232/422/485, 3kV isolation and DB-9 cables (XT/104-OPT4)
XTG290221 PC/104 2-port RS-232/422/485, 3kV isolation and DB-9 cables (XT/104-OPT2)