8 ms·
I imagine that's for use with POS terminals (ie cash registers). A lot of those still have serial-port barcode scanners or serial-port printers.
by spin 10y ago
I imagine that's for use with POS terminals (ie cash registers). A lot of those still have serial-port barcode scanners or serial-port printers.
- jsjohnst 10y agoI'm pretty sure the ports are also commonly used for cash drawers.