https://cygwin.com/pipermail/cygwin/2000-July/038718.html
Monitoring a serial line (wind and light data) with daily log files
serial line
https://www.se.com/ie/en/product/ZBRN2/harmony-hub-wireless-serial-line-gateway-harmony-xb5r-zigbee-green-power-gateway-wireless-to-modbus-24-240v-ac-dc/
ZBRN2 - Harmony Hub wireless serial line gateway, Harmony XB5R, Zigbee green power gateway,...
Schneider Electric Ireland. ZBRN2 - Harmony Hub wireless serial line gateway, Harmony XB5R, Zigbee green power gateway, wireless to modbus, 24...240V AC DC.
harmony hubserial linewireless