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NT8D09AK Analog Message Waiting Line Card

The NT8D09AK Analog Message Waiting Line Card provides 16 analog ports for single line telephones and analog devices.
Please call for availability.

NT8D09AK Features

  • Provides talk battery and signaling for up to 16 regular 2-wire common battery analog (500/2500 type) telephones and key telephone equipment
  • Also provides low-current feed to light the message waiting lamp on telephones equipped with the Message Waiting feature
  • Supports 56K modem operation
  • Cards later than vintage NT8D09AK provide improved performance on long lines, particularly for lines used outside of a single building environment


  • Compatible with Meridian 1 systems

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