The DDI-9E is a dual line external dialer alarm communication receiver (DACR) module capable of processing Contact ID account information. Only one DDI-9E may be connected to a System 3505.
The Digital Dialer interface option allows the System 3505 to receive alarms through the dial up telephone network. The dialer option software provides conversion of coded information from the receiver into the proper format for processing by the System 3505.
The DDI-9E is an dual-line external DACR module (P/N 425196-0001 and 425196-0002) that will accept any pulsed dialer rate from 10 to 40 (37) BPS using 3x2, 4x1, or 4x2 format Contact ID.
The DDI-9E will process all dialer formats now available with the DDI-7/8 (except the unit cannot mix 3x2 formats with 4x1 formats). Converting from the DDI-8 to the DDI-9E should not require any setup changes for the existing formats. NFPA-72 compliant.