USER MANUAL
TCM 515 –ENOCEAN TRANSCEIVER GATEWAY MODULE
© 2019 EnOcean | www.enocean.com F-710-017, V1.0 TCM 515 User Manual | v1.13 | August 2019 | Page 5/86
5.5.1 Determining available transmission time................................................. 31
6Telegram repeating ..................................................................................... 32
6.1 Configuration of telegram repeating............................................................... 33
7Security functionality ................................................................................... 34
7.1 Basic concepts ............................................................................................ 34
7.1.1 Telegram encryption ............................................................................ 35
7.1.2 Telegram authentication ....................................................................... 35
7.1.3 Dynamic security key modification ......................................................... 37
7.2 TCM 515 implementation specifics ................................................................. 38
7.2.1 High level architecture.......................................................................... 38
7.2.2 High level execution flow ...................................................................... 39
7.2.3 Secure link table.................................................................................. 40
7.2.3.1 Secure link table parameters .............................................................. 41
7.2.4 Secure EEP support.............................................................................. 42
7.3 Supported security features.......................................................................... 43
7.3.1 Telegram encryption and decryption....................................................... 43
7.3.2 Telegram authentication ....................................................................... 43
7.3.3 Rolling codes....................................................................................... 44
7.3.3.1 Explicit versus implicit rolling code ...................................................... 44
7.3.3.2 RLC roll-over .................................................................................... 45
7.3.3.1 RLC backup ...................................................................................... 46
7.4 Teach-in of secure devices............................................................................ 47
7.4.1 Security parameters............................................................................. 47
7.4.1.1 Security key ..................................................................................... 48
7.4.1.2 Rolling code ..................................................................................... 48
7.4.1.3 Security level format (SLF)................................................................. 48
7.4.2 Teach-in of secure devices with teach-in telegram ................................... 49
7.4.2.1 Learn mode...................................................................................... 50
7.4.2.2 Handling of teach-in telegram when not in teach-in mode ...................... 51
7.4.3 Transmission of a secure teach-in telegram............................................. 51
7.4.4 Teach-in of secure devices using ESP3 ................................................... 52
7.5 Reporting of security-related events .............................................................. 54
8Low power sleep mode................................................................................. 55
9ESP3 interface ............................................................................................ 56
9.1 ESP3 physical interface ................................................................................ 56
9.2 ESP3 Packet Structure ................................................................................. 57
9.3 Supported ESP3 commands .......................................................................... 58
9.4 Persistent versus not persistent configuration settings ..................................... 59
10 Remote Management ................................................................................... 60
11 Device Integration....................................................................................... 61
11.1 Recommended PCB Footprint ................................................................... 61
11.2 Device outline ........................................................................................ 62
11.3 Soldering information.............................................................................. 63
11.4 Packaging information............................................................................. 64
11.5 Layout recommendations......................................................................... 65
11.6 Power supply requirements...................................................................... 66
11.7 Using an SAW Filter with TCM 515 (868 MHz version only) .......................... 66
