420 4-Line Telephone User Manual

This document is an instruction manual for installing, using, and maintaining the 420 telephone

420 4-Line Telephone User Manual - cover page
Brand
420
Category
Other Electronics
Document type
User Manual
Language
English
Pages
25
File format
PDF
File size
370 KB
Published
05 July, 2012
Updated
30 September, 2023
MD5 checksum
460B124624FCCA113AD83695619913B7
PDF
420 4-Line Telephone User Manual PDF

About this manual

The 420 is a versatile, fully featured 4-line telephone designed to operate as a standalone unit or as part of a system of up to twelve units. It supports advanced features such as intercom, paging, call transfer, and conference calling. The device includes a large multi-function LCD display for Caller ID and directory information.

What's inside

  • Initial Setup
  • Installation
  • Initial Programming
  • Programming Options
  • Telephone Operation
  • Caller ID
  • Directory
  • Troubleshooting

Specifications

Max System SizeUp to twelve 420 telephones
Extension Range11 to 22
Max Wiring Length600 feet
Power Requirement9 volt battery

Frequently asked questions

How many 420 telephones can be connected in a system?

Up to twelve 420 telephones can be connected as a system.

What is the valid range for extension numbers?

Valid extension numbers are from 11 to 22.

What type of battery is required for power failure operation?

An alkaline 9-volt battery is required.

Download PDF (370 KB)