SONIFEX CM-TB8T

Talkback Control Unit, w/ Dual PSTN Hybrid (CM-TB8 with CM-TBT)

CM-TB8T

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The CM-TB8T is the CM-TB8, 8 Channel Talkback Control Unit, with the CM-TBT add-in card fitted.

The CM-TBT is a dual PSTN, telephone hybrid expansion card. It extends the talkback capability of the CM-TB8 by allowing telephone calls to be made and received on two independent analogue direct exchange or PSTN lines.

The hybrids are fully configurable and are easy to setup via the CM-TB8 embedded web server. Simply select your location from a country code list to automatically configure the telephone interface for local line conditions. This setting also configures the relevant auto disconnect mode which can be enabled if required. An option to auto answer an incoming telephone call can also be enabled.

Calls can be made and received by using an external telephone handset connected to each hybrid channel, or directly on the CM-TB8 using the channel controls. Each hybrid can independently speed dial one of the 8 user defined telephone numbers stored on the unit.

IFB modes are fully supported on the telephone channels allowing selected signals to be routed to a connected telephone call.