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What's NewThe Model 135 Site Monitor
The Model 135 Site Monitor provides rapid, easy access to six CPEs connected to the serial ports—without compromising system security.
The UT-24R Universal Transfer Unit
The UT-24R Universal Transfer Unit is designed as a general-purpose switching device for use with telephone, data, and low-power electrical signals. The unit is arranged as 24 two-wire circuits. Each circuit has an input, a normal output, and a transfer output. The two wires of each circuit are designated as tip and ring, reflecting the telephony origin of the UT-24R.
Model 272 Telecom Interface with Smart Disconnect
Allows equipment ports intended for connection to ground start trunk circuits to be interfaced with loop start trunk circuits. Installed adjacent to the equipment containing the ground start trunk ports. Provides four circuits of ground start to loop start conversion with progress tone detection. Powered by 24 Vac, –24 Vdc, or –48 Vdc.
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