USER MANUAL
TCM 410J
–
Transceiver Module
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TCM 410J User Manual | v2.3 | June 2022 | Page 27 / 46
3.5
Configurations
The security configuration is stored in CFG Area of the Dolphin v4 ASIC used in TCM 410J.
The following parameters can be changed using Dolphin v4 Suite:
◼
Security RC storage cycle outbound
–
Address in CFG: 0x23 Default value: 1
This value defines how many telegrams of one security profile will be send prior to up-
dating the rolling code in persistent memory.
◼
Security RC storage cycle inbound
–
Address in CFG: 0x22 (Length: 1 byte), Default
value: 30
This value defines how many telegrams of one security profile will be send prior to up-
dating the rolling code in persistent memory.
◼
Wrong CMAC count
–
Security RLC window
–
Address in CFG: 0x20 (Length: 1
byte), Default value: 100
This value defines the count of the wrong CMAC validation attempts, before the Decod-
ing Gateway module sends the event serial command (CO_EVENT_SECUREDEVICES).
◼
RLC window
–
Address in CFG: 0x1C (Length: 4 bytes), Default value: 128
This value defines how big the Rolling Code window can be. The Rolling code window de-
fines the amount of tries where the device tries to validate the RLC from a message.
◼
PSK
–
Pre-shared key -
Address in CFG: 0x1C (Length: 16 bytes), Default value:
N/A
–
set in production
The PSK which can used for outbound security teach-in.
Please see configuration window from Dolphin v4 Suite as reference:
