
Serial Server Status: Counters, Resets and Recovery
Correlate serial-server network and serial counters with a valid instrument response, and separate reboot, reset and firmware upgrade evidence.

Troubleshooting Serial Server Faults: Device Not Found, TCP Connection Failure, No Data After Connection
Diagnose serial server discovery, network sessions and missing device replies separately. Follow request bytes to the actual serial interface before changing settings.

Serial Server Working Modes and Fault Diagnosis: Connections, Bytes, and Business Data
Select serial server modes by connection initiation, byte delivery and application expectations. Diagnose UDP, transparent TCP and gateway behavior at the correct layer.

