The SSM-LE series Signal Monitors exceed all the requirements set forth in the NEMA Standard TS-1-1994, Part 6. These units are intended to provide enhanced conflict and voltage monitoring for traffic controller assemblies with additional capabilities for broader fault coverage and diagnostic troubleshooting. The SSM-6LE and SSM-12LE units include a Full Intersection Liquid Crystal display (LCD) along with an communications port which is used to communicate with a Personal Computer using EDI ECcom software. Monitor status, event logs, and Signal Sequence History logs are stored in nonvolatile memory for diagnostic and archival purposes. Two modes of Flashing Yellow Arrow PPLT support are provided.
- SSM-6LEip: 6 channel with Ethernet Port
- SSM-6LE: 6 channel with EIA-232 Port