Bi-directional USB DTMF/ASCII transceiver with built-in hybrid

Lebih Lengkap Mengenai Bi-directional USB DTMF/ASCII transceiver with built-in hybrid

The Telco Sentinel is a bi-directional DTMF/ASCII transceiver. It converts DTMF tones to ASCII and ASCII to DTMF tones when connected to a telephone line and provides incoming caller ID data.

The unit is also equipped with an electronic hybrid providing send and caller audio on 3.5mm jacks, along with removable screw terminals.

The Telco Sentinel interfaces with the PC via a USB Com port. Tones are transmitted at a selectable speed of 50ms, 100ms or 500ms tone/space.

A post-transmit delay of 0.0 to 9.9 seconds can be added that will cause a delayed transmission of tones after the string is received on the USB port. The DTMF transmit buffer is 256 characters long.

The Telco Sentinel can be configured to automatically answer after between 1 and 9 rings, or auto-answer may be disabled.

Front panel send and caller telephone line audio trimmers are supplied, along with front panel LED’s display; power, ring, hook and tone. The Telco Sentinel is USB bus powered.

Features:

- USB COM port interface for connection to PC.
- LED indicators for power, ring, hook, and tone detection.
- Fully RFI proofed.
- USB bus powered.
- Up to four Telco Sentinels may be rack mounted on one RA-1, 1-RU rack shelf