PortDock Serial
Exchange data with RS-232, RS-485 and USB serial devices and keep a timestamped test log. Unplug and replug a USB adapter and it reconnects to the same device.
Made for
- Field engineers bringing up a new device
- Firmware developers testing a UART protocol
- Anyone who needs to read Modbus RTU traffic
Features
Ports you can recognise
Shows device name, USB VID:PID and serial number next to each port, and updates on plug/unplug.
Survives disconnects
Reopens the same device after a replug even if the COM number changed, and logs every drop and reconnect.
Four framing modes
Idle gap, terminator, fixed length or Modbus RTU — so one message is one line.
Nine checksums plus custom CRC
Append CRC16 Modbus/CCITT/XMODEM, CRC8, LRC, BCC, SUM8, SUM16, CRC-32 or a custom CRC when sending, and verify them on receive.
Modbus RTU decoding
Decodes requests, responses and exceptions into address, function and values.
Signal lines
Toggle DTR/RTS and watch CTS/DSR/RI/CD on indicators and in the log.
Test logs
Millisecond timestamps, a command list, repeat sending and continuous logging to file.
Quick start
- Pick the port, baud rate and parity, then «Connect»
- Type HEX or ASCII; add a checksum or line ending if needed
- «Send» — received lines show as RX ◀, sent as TX ▶