System economy — Connect one
PC port to several intermittent data sources.
Gain reliability — Connect
redundant peripherals to one PC port.
Monitor and control
multiple scales, scanners, terminals or other serial devices with a
single PC. Ideal for devices that require only intermittent PC access.
The first device to send captures the data path, locking out the other
lines. Data flow may also be software controlled using the RTS line.
Data from the host PC is sent to all attached devices.
