Description

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 capability, reliability and high density resulting in significant printed circuit board area savings. A complete C.O. line card can be implemented with very few external components.

Features

• Programmable gain, network balance and impedance

• Transformerless 2-4 wire conversion

• Constant current with constant voltage fallback for long loop capability

• Pin compatible with MH88632, MH88620 and MH88628

• Unbalanced detection (Tip, Ring ground sensing)

• Auto ring trip with zero crossing

• On-Hook transmission (ANI) capability

• Compatible with requirements of CCITT, DOC/FCC and CSA/UL

• Excellent power dissipation (SIL vertical mounting)

• 12/16kHz meter pulse injection control

• Solid State TIP/RING reversals

• Ringing amplifier

Applications

• On/Off Premise PBX Line Cards

• DID (Direct Inward Dial) Line Cards

• Central Office Line Cards