USER MANUAL
PTM 215B – BLUETOOTH
®
PUSHBUTTON TRANSMITTER MODULE
© 2019 EnOcean | www.enocean.com
F-710-017, V1.0
PTM 215B User Manual | v1.9 | June 2019 | Page 38/85
Public data
Public data can be read by any NFC-capable device supporting the ISO/IEC 14443 Part 2
and 3 standards. No specific security measures are used to restrict read access to this data.
The following items are located in the public data area:
PTM 215B Product Name
This is always “
PTM 215B
”
PTM 215B Product ID
This is an 8 byte field which is by default set to
0x0000000000000000
.
Product ID and Manufacturer ID can be configured by the customer as required to
identify his PTM 215B based product, see chapter 6.7.7
PTM 215B Manufacturer ID
This is an 2 byte field used to identify the manufacturer of a BLE product, see chap-
ter 4.6. This field is by default set to
0x03DA (EnOcean GmbH)
.
Product ID and Manufacturer ID can be configured by the customer as required to
identify his PTM 215B based product, see chapter 6.7.7
PTM 215B Static Source Address
This is a 4 byte field containing the four least significant bytes (the two most signifi-
cant bytes are always
0xE215
) of the static source address used by PTM 215B, see
chapter 4.4.1. Each PTM 215B is pre-programmed with an individual static source
address.
The Static Source Address can be configured by the customer as required to identify
his PTM 215B based product, see chapter 6.7.4
Hardware Revision, Software Revision and NFC Revision
These fields identify the device revision
Telegram sequence counter
This is a 4 byte field which is initialized to zero during manufacturing and incre-
mented for each transmitted telegram. Receivers shall never accept telegrams con-
taining sequence counter values equal or less than previously received values to
avoid replay attacks.
Changing the Static Source Address, Manufacturer ID and Product ID fields is only possible
via protected data access as described below to prevent unauthorized modification.
For security reasons, the telegram sequence counter cannot be written or reset by any
mechanism.