Natcomm
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ALTERNATIVE MODEL RANGE
Alternative Controllers are available which provide the following features:
DS1 - PSTN connection, no lock control.
DS2 - PSTN connection, single lock control & call advice facility
DS3 - PSTN connection, dual lock control, with Dial Out facility
DS4 - For PBX Extension or FXS/ATA connection, no lock control
DS6 - For PBX Extension or FXS/ATA connection, single lock control
DS6 - PBX Extension or FXS/ATA connection, dual lock control, with dial out
DS7 - As per DS2 - works with telephone instead of Door Phone.
DS8 - As per DS6 - works with telephone instead of Door Phone.
DS9 - As per DS3 - works with telephone instead of Door Phone
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DS-SIP – Designed for direct Internet or Internet connection, via DHCP