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MFG:ZAR  Package Cooled:230LS/GS COIC 990398301-1R03  D/C:07+  

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Part Number: MH88632B

 

MFG: ZAR

Package Cooled: 230LS/GS COIC 990398301-1R03

D/C: 07+

Description: The Mitel MH88632B Central Office Interface Circuit provides a complete analog and signalling link between audio switch...


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MH88632B General Description


The Mitel MH88632B Central Office Interface Circuit provides a complete analog and signalling link between audio switching equipment and a subscriber line. The device is available in a single in line package for high packing densities or in a 90° package for reduced card clearance.

The device is fabricated using thick film hybrid technology for optimum circuit design and very high reliability.

MH88632B Maximum Ratings
Parameter
Sym
Min
Max
Units
Comments
1
DC Supply Voltages)
VCC
-0.3
7
V
VEE
0.3
-7
V
2
DC Relay Voltage
VRLY
-0.3
20
V
3
Storage Temperature
TS
-55
+125
°C
4
Ring Trip Current
ITRIP
180
mArms
250ms 10% duty cycle or
500ms single shot

MH88632B Features

• Supports Loop Start and Ground Start protocols
• 2-4 Wire conversion
• Programmable Input Impedance, Network Balance Impedance and gains
• Three relay drivers
• Line state detection outputs
• 15mA operation allowing long line length capability
• On-hook reception for Caller Line Identification
• Meets FCC Part 68 Leakage Current Requirements

MH88632B Typical Application

Interface to Central Office telephone line for
• PBX
• Key Telephone System
• Terminal Equipment
• Digital Loop Carrier
• Wireless Local Loop

MH88632B Connection Diagram

MH88632B Connection Diagram

MH88632B datasheet

MH88632B
PDF/DataSheet Download

  • Datasheet: MH88632B
  • File Size: 97691 KB
  • Manufacturer: MITEL [Mitel Networks Corporation]
  • Click here to Download

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Related Part Number

MH88632B Relative Products

  • MH88632

    MH88632

    The Mitel MH88632 Central Office Trunk Interface circuit provides a complete audio and signalling link between audio switching equipment and a central office. The functions provided by the MH88632 include 2-4 Wire Hybrid conversion, programmable transmit and...

  • MH88631

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    The Mitel MH88631-1, 2 Central Office Trunk Interface circuit provides a complete audio and signalling link between audio switching equipment and a central office. The loop seize circuitry is controlled by an external input to provide either a loop start of ...

  • MH88630

    MH88630

    The Mitel MH88630 Central Office Trunk Interface circuit provides a complete audio and signalling link between an audio switching equipment and a central office. The loop seize circuitry is controlled by an external input to provide either a loop start or gr...

  • MH88628

    MH88628

    The Mitel MH88628 SLIC provides all of the functions required to interface 2-wire off premise subscriber loops to a serial TDM, PCM, switching network of a modern PBX. The MH88628 is manufactured using thick-film hybrid technology which offers high voltage c...

  • MH88625

    MH88625

    The Mitel MH88625 SLIC provides all of the functions required to interface 2-wire off premise subscriber loops to a serial TDM, PCM, switching network of a modern PBX. The MH88625 is manufactured using thick-film hybrid technology which offers high voltage c...

  • MH88622

    MH88622

    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. The functions provided by the MH88622 includes ...

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