Serial Bandwidth Monitor 3.4 -

Serial Bandwidth Monitor 3.4 — Quick Practical Guide

What it is

Serial Bandwidth Monitor (SBM) 3.4 is a lightweight Windows utility that monitors serial (COM) port data rates, logging throughput, error counts, and connection activity in real time for debugging, diagnostics, and performance checks.

: A free tool designed for monitoring traffic on routers and switches in real-time. SolarWinds NetFlow Traffic Analyzer Serial bandwidth monitor 3.4

First Monitoring Session:

The Serial Bandwidth Monitor 3.4 is a software tool designed to monitor and analyze the bandwidth usage of serial connections. This report provides an in-depth review of the software, highlighting its key features, performance, and potential areas for improvement. Serial Bandwidth Monitor 3

• Start monitoring.
• Watch RX/TX columns and graph for the port in use.
• Note average/peak throughput and whether traffic is bursty.

1. Download from a trusted vendor site (e.g., AGG Software or Serial Port Tool). Always verify the digital signature.
2. Run installer with administrator privileges—the kernel driver for non-intrusive monitoring requires elevation.
3. Reboot if prompted (rare, but required for driver installation on Windows 10/11 with Secure Boot).
4. Launch the application.

2. Cumulative Data Statistics

Beyond the live view, the monitor aggregates data: Start monitoring

Are you looking to troubleshoot a specific network issue using this tool, or do you need help configuring capture filters?  Tag: bandwidth-monitor - Apps - winstall

Live monitoring of data speeds (bps, KB/s) for both incoming (RX) and outgoing (TX) traffic. Live Traffic Graphing: