ITI Limited supplies Power-train Control Module Secrecy Encryptor. ITI Limited is an ISO 9001: 2000 and ISO 14001: 2004 accredited company. The Power-train Control Module Secrecy Encryptor is used to encrypt and decrypt 2 Mbps / E1 data of PCM Format. The Power-train Control Module Secrecy Encryptor can accept various types of Signalling format like CAS, CCS, PRI, ADPCM, ATM etc.