Based on the LayGO Data Line Monitor (DLM) API, Advanced Relay has developed a flexible system to monitor, decode and analyze traffic on a synchronous line. The Introduction to the LayGO DLM API Manual gives necessary background to this manual.
There are two ways to tap a line for monitoring:
In either case, you need a LayGO DLM server to receive monitoring events and to pass them to a monitor program. However, when using the PXS, an embedded version of the DLM server will normally run inside the PXS.
You will also need a monitor program to display the communication events and/or to save the data to a capture file for later analysis.
This manual describes various DLM Servers and Monitors. There are also several utility programs to help use the system.