Description

The Mitel MH88634 Central Office Trunk Interface circuit provides a complete audio and signalling link between audio switching equipment and a central office.

Features

• Loop Start Trunk Interface

• 600 ohm input impedance, -2 variant

• Line state detection outputs: forward loop, reverse loop, ringing voltage, switch hook On-hook reception

• Transformerless 2W to 4W conversion

• One loop start relay driver

• +/- 5V operation

• Small footprint area (<4.75cm²)



Applications

Interface to Central Office for:

• PABX

• Key Telephone Systems

• Channel Bank

• Voice Mail

• Terminal Equipment

• Digital Loop Carrier

• Optical Multiplexer