The Mitel MH88622 is a Dual Subscriber Interface Circuit which provides a complete interface between the telephone lines a dual codec, requiring a dual rail supply, battery and dc supply for ringing generation.
Key Features
Dual SLIC Ringing generation On-hook transmission Transformerless 2-4 wire conversion Constant current feed Battery Feed to the line Tip Ring reversal capability Over current protection Off-Hook detection Logic interface for SHK, RC, LR, ESE, LCS Metering injection Wide V Bat operating range Minimum installation space ESE ramped output
ISSUE 3
April 1995.
Full PDF Text Transcription for MH88622 (Reference)
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MH88622. For precise diagrams, and layout, please refer to the original PDF.
ng generation On-hook transmission Transformerless 2-4 wire conversion Constant current feed Battery Feed to the line Tip Ring reversal capability Over current protection Off-Hook detection Logic interface for SHK, RC, LR, ESE, LCS Metering injection Wide V Bat operating range Minimum installation space ESE ramped output ISSUE 3 April 1995 Ordering Information MH88622 -1, -2, -3,-5 40 Pin SIL Package 0° C to 70° C Description The Mitel MH88622 is a Dual Subscriber Interface Circuit which provides a complete interface between the telephone lines a dual codec, requiring a dual rail supply, battery and dc supply for ringing g
MH88622 Datasheet
