# DSMR v1.1.0 - Table of Contents > A library for parsing Dutch Smart Meter Requirements (DSMR) telegram data ## Pages - Examples - [Connect to DSMR meter](connect_to_dsmr_meter.md) - [Dummy Smart Meter](dummy_smartmeter.md) ## Modules - [DSMR](DSMR.md): - [DSMR.MBusDevice](DSMR.MBusDevice.md): A device connected through the meter's M-Bus interface. - [DSMR.Measurement](DSMR.Measurement.md): A numeric value with a DSMR unit. - [DSMR.OBIS](DSMR.OBIS.md): OBIS code mappings used by the parser and serializer. - [DSMR.Telegram](DSMR.Telegram.md): A parsed DSMR telegram. - [DSMR.Timestamp](DSMR.Timestamp.md): A DSMR timestamp. - Exceptions - [DSMR.ChecksumError](DSMR.ChecksumError.md): Raised or returned when a telegram checksum does not match. - [DSMR.ParseError](DSMR.ParseError.md): Raised or returned when a telegram cannot be parsed.