Mitel Superset

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The Mitel Superset Series of Office Telephones[]

The Mitel Superset 4DN Telephone[]

The Superset 4DN was one of the first Digital Telephones[1] made by Mitel and was announced in October 1986.

Mitel SUPERSET 4DN

Mitel Superset 400 Series[2][]

The 400 range consisted of a 401+,410,420 and 430[3] See The telephones connected back to the Mitel exchange digitally using 1 pair of cables. A Mitel MT8971BP IC was used in this range of handsets to communicate with a port on the DNIC card in a SX 50, SX 200 or SX 2000 Mitel switch

All in this range apart from the 401+ were loud speaking telephones, allowing the user to converse fully hands free.

A number of Mitel SUPERSET 401+
Mitel SUPERSET 410
Mitel SUPERSET 420
Mitel Superset 430 Telephone with Graphical LCD display and LCD line buttons

Mitel Superset 4000 Series[]

The 4000 series supersedes the 400 series and consists of the 4001,4015,4125 and 4150[4]

Mitel Superset 4001

The Superset 4001 has no LCD display and has similar functionality to the 401+ The 4001 has 4 main Ic's - A Motorola SC427602FN With 93C46B,MT9196AP,MT9171AP and a MC33362 PSU IC

Mitel Superset 4025

References[]

  1. ^ Computer World. 13 October 1986. p. 115. Retrieved 24 April 2021.
  2. ^ Mitel. "SUPERSET 400 SERIES – Digital Business Telephones - cost effective and feature rich" (PDF). Mitel.
  3. ^ Freshwater, Bob. "British Telephones". The Telephone File. Retrieved 24 April 2021.
  4. ^ "The superset 4000 Series telephones" (PDF). PN 51001640, Rev A. Mitel. Retrieved 24 April 2021.
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