PCM-G-COM8 PCM-G Eight channel RS-232/422/485 serial PC/104 module

The PCM-G-COM8 is an 8-channel PC/104-compatible serial module. It is well suited for embedded applications requiring a large number of serial I/O ports. Each channel supports RS-232, RS-485, and RS-422 electrical levels to interface to a wide variety of serial communications devices such as modems, data collection equipment, and distributed I/O terminals. The PCM-COM8 will operate over the full industrial temperature range of -40° to +85° Celsius.

DATA SHEET PRODUCT INFO

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ROHS COMPLIANT

MADE IN THE USA

Features

Eight independent COM channels
Two 16C554-compatible quad UARTs
128-byte TX and RX receive FIFOs on each channel
RS-232, RS-485, and RS-422 electrical interface levels on all channels
All outputs short circuit protected
Modem control signals: CTS, RTS, DSR, DTR, RI, and DCD on each channel
Programmable serial interface characteristics for each channel:
- 5-, 6-, 7-, or 8-bit character lengths
- Even, odd, or no parity generation and checking
- 1,1.5, or 2 stop bits
- Local internal loopback for diagnostics
Industrial -40° to +85°C operational temperature

Features
Serial I/O	Two 4-channel UARTs (16C554) 128-byte transmit and receive FIFO buffer RS-232/422/485 port types available for channels Standard modem interface support Up to 1.5 Mbps data transmit rate
Bus Interface	PC/104
Power	+5V required, 125 mA (RS-232 mode), 350 mA (RS-422 mode) typical
Mechanical	PC/104-compliant Dimensions: 3.6 x 3.8 inches (90 x 96 mm)
Operating Temperature Range	-40°C to 85°C