SYS_OVERRIDE_ACTIVE UPLINK_DETECTED: FORGE-9 PAYLOAD_DECODE: IMG_0001.jpg (314 KB) TRANSMITTING...
| Tool | Focus | Non-Intrusive? | Bandwidth Graphing? | Logging Format | Price Range | |------|-------|----------------|--------------------|----------------|--------------| | | Bandwidth & metrics | Yes (kernel) | Real-time, adjustable | CSV, PCAP, TXT | Moderate (perpetual license) | | PuTTY / Tera Term | Terminal access | No | No | Raw only | Free | | PortMon (legacy) | Low-level IRP tracking | Yes | No | Binary | Free (abandoned) | | Wireshark (serial extcap) | Packet analysis | Limited (requires special driver) | Basic (I/O Graph) | PCAP | Free | | Commercial suites (e.g., SerialTool) | All-in-one | Usually no | Basic | Proprietary | High (subscription) | Serial bandwidth monitor 3.4
It automatically records bandwidth consumption and generates detailed reports on a daily, weekly, and monthly basis. This reveals a rogue slave device flooding the
A factory automation engineer notices intermittent communication failures on an RS-485 network running Modbus RTU. By attaching Serial Bandwidth Monitor 3.4 to the master port, they observe that the poll/response cycle suddenly spikes to 100% bandwidth utilization every 30 seconds. This reveals a rogue slave device flooding the line – something a protocol analyzer might miss. adjustable | CSV