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. . . .
product discription
Broadcast Tools Bi-directional USB DTMF/ASCII transceiver with built-in hybrid Telco Sentinel
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