Switching system, PBX

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OBJECT TYPE: SOLID STATE/TIME DIVISION
DATE: 1970–1979
ARTIFACT NUMBER: 1991.0129.001

MANUFACTURER: NORTHERN ELECTRIC CO. LTD.
MODEL: PULSE EPABX
LOCATION: Canada

More Information

General Information

Serial #: 221
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL CABINET/ METAL & SYNTHETIC WORKING PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 86.0 cm
Width: 76.5 cm
Height: 134.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telephony
Sub-Category: N/A

Manufacturer

AKA: NORTHERN ELECTRIC
Country: Canada
State/Province: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: 1970'S
Canada: FIRST ALL ELECTRONIC SWITCHING SYSTEM TOTALLY DESIGNED, DEVELOPED AND BUILT IN CANADA. DESIGN PLANS STARTED AT BELL NORTHERN RESEARCH IN OTTAWA IN MID-1968 AND FIRST FIELD TRIAL WAS IN LUCERNE, QC IN MAY 1972. THIS UNIT WAS DISPLAYED IN THE NORTHERN ELECTRIC BUILDING IN MONTREAL AND LATER IN THE BELLEVILLE PLANT. ONLY ONE OF TWO KNOWN TO EXIST. FORERUNNER OF SL-1 SYSTEM.
Function: USES TIME-DIVISION MULTIPLEXING TO INTERCONNECT UP TO 80 INTERNAL TELEPHONE LINES AND 30 TRUNKS.
Technical: USING TIME DIVISION SWITCHING, IT WAS MORE ECONOMICAL & MORE FLEXIBLE THAN ANY OF THE PRECEDING ELECTRO-MECHANICAL SYSTEMS.
Area Notes: Unknown

Details

Markings: PRINTED INSIDE UNIT: 'QCA2A PULSE BASIC UNIT [LOGO] Northern Electric/ COMPANY LIMITED/ MADE IN CANADA/ SERIAL NO. 221'
Missing: PLUG-IN CIRCUIT BOARDS/ CONSOLE
Finish: DARK BLUEKRINKLE WITH CHROME TRIM
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

NORTHERN ELECTRIC CO. LTD., Switching system, PBX, between 1970–1979, Artifact no. 1991.0129, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1991.0129.001/

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