# S2 system description

- [Features](/s2-radio-system-manual/s2-system-description/features.md)
- [Network structure](/s2-radio-system-manual/s2-system-description/network-structure.md)
- [Radio Net ID and Node ID](/s2-radio-system-manual/s2-system-description/network-structure/radio-net-id-and-node-id.md)
- [S2 Node](/s2-radio-system-manual/s2-system-description/s2-node.md)
- [Status LED](/s2-radio-system-manual/s2-system-description/s2-node/status-led.md)
- [UART](/s2-radio-system-manual/s2-system-description/s2-node/uart.md)
- [Sensor's connector](/s2-radio-system-manual/s2-system-description/s2-node/sensors-connector.md)
- [Label](/s2-radio-system-manual/s2-system-description/s2-node/label.md)
- [Symbols](/s2-radio-system-manual/s2-system-description/s2-node/symbols.md)
- [S2 node parameters](/s2-radio-system-manual/s2-system-description/s2-node/s2-node-parameters.md)
- [RD001 serial cable](/s2-radio-system-manual/s2-system-description/s2-node/rd001-serial-cable.md)
- [Power supply](/s2-radio-system-manual/s2-system-description/s2-node/power-supply.md)
- [S3 node version](/s2-radio-system-manual/s2-system-description/s2-node/s3-node-version.md)
- [S2 node types](/s2-radio-system-manual/s2-system-description/s2-node/s2-node-types.md)
- [S2 communication protocol](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol.md)
- [Frame](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/frame.md)
- [Header](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/frame/header.md)
- [Data field](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/frame/data-field.md)
- [List of S2 commands](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/list-of-s2-commands.md)
- [S2 commands' details](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details.md)
- [INIT\_NODE, Command 10](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/init_node-command-10.md)
- [SET\_TYPE, Command 12](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/set_type-command-12.md)
- [SET\_SN, Command 14](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/set_sn-command-14.md)
- [ENABLE\_FLASH\_PROGRAMMING, Command 15](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/enable_flash_programming-command-15.md)
- [GET\_GRP\_ID, Command 16](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_grp_id-command-16.md)
- [GET\_HW\_SW, Command 18](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_hw_sw-command-18.md)
- [GET\_SW\_HW via RADIO, Command 19](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_sw_hw-via-radio-command-19.md)
- [GET\_SW\_HW\_TYP\_SN, Command 1A](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_sw_hw_typ_sn-command-1a.md)
- [GET\_SW\_HW\_TYPE\_SN via RADIO, Command 1B](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_sw_hw_type_sn-via-radio-command-1b.md)
- [GET\_HW\_SW AND DATE INFO, Command 1C](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_hw_sw-and-date-info-command-1c.md)
- [RD\_SET\_CALI via RADIO, Command 35](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/rd_set_cali-via-radio-command-35.md)
- [RD\_TEMP\_SPECIAL, Command 3A](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/rd_temp_special-command-3a.md)
- [GET\_TEMP\_SPECIAL, Command 3B](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_temp_special-command-3b.md)
- [GET\_VALUE\_BY\_INDEX via RADIO/UART, Command 3C](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_value_by_index-via-radio-uart-command-3c.md)
- [RD\_SET\_CALI\_BY\_INDEX via RADIO, Command 3D](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/rd_set_cali_by_index-via-radio-command-3d.md)
- [SET\_VALUE\_BY\_INDEX via RADIO, Command 3E](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/set_value_by_index-via-radio-command-3e.md)
- [GET\_DEBUG\_COUNTERS, Command 3F](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_debug_counters-command-3f.md)
- [QUERY\_PIN, Command 50](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/query_pin-command-50.md)
- [Linking](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/linking.md)
- [Examples of linking](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/linking/examples-of-linking.md)
- [CRC](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/crc.md)
- [Detailed description of GET\_TEMP\_SPECIAL(3A)](/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/detailed-description-of-get_temp_special-3a.md)
- [S2IOG2 analogue interface](/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface.md)
- [Connectors](/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/connectors.md)
- [S2IOG2 accuracy](/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/s2iog2-accuracy.md)
- [Sensors' indexes](/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/sensors-indexes.md)
- [S2IOG2 versions](/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/s2iog2-versions.md)
- [S2 PT100/PT1000 interface](/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface.md)
- [Connectors](/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/connectors.md)
- [PT100/PT1000 accuracy](/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/pt100-pt1000-accuracy.md)
- [Sensors installation](/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/sensors-installation.md)
- [Sensor indexes](/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/sensor-indexes.md)
- [PT100/PT1000 sensors](/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/pt100-pt1000-sensors.md)