General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

IOE

Patents

N/A

General Description

Metal (including steel) & synthetic component parts.

Dimensions

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

Length

79.0 cm

Width

46.0 cm

Height

245.0 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 TELECOM

Country

Canada

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

Unknown

Canada

This equipment forms part of the DMS-100 switching system, for years the cornerstone of the Northern Telecom (later Nortel Networks) product line. A Canadian-based company, Northern Telecom/Nortel Networks was one of the most important manufacturers of telecommunications equipment in the world in the 1990s. This particular unit was used by Nortel Networks personnel at its Ottawa Skyline campus (Baseline & Merivale Roads) for testing and product development.

Function

To provide data input/output to a digital telephone switching system.

Technical

The DMS-100 digital switching system is essentially an electronic computer operated by stored program control. The Input/Output Equipment (IOE) facilitates human access to this computer. It consists of two Priam 806 hard disk drives, a Cook Electric Co. model 2216 tape drive, an Input/Output Controller and a power supply. The tape drive is used to input program data to the DMS system. The disk drives hold billing records required to generate revenue for the telephone company. The Input/Output Controller consists of cards connecting the system to desktop VT100 or RS232 terminals used by technical personnel. (ref. 1)

Area Notes

Unknown

Details

Markings

Components, controls, etc. labelled. Most components bear bar-coded labels. Dominant markings on unit include "DMS100", "nt/ northern/ telecom", "C 00" and "IOE:00" on front. "MTDO/A" and "COOK/ ELECTRIC/ 2216" marked on tape drive door; "MAGNETIC TAPE SYSTEM/ MODEL NUMBER 2216/ PART NUMBER 209800-153/ SERIAL NO. D09-12-07/ DESIGNED AND MANUFACTURED BY/ COOK ELECTRIC COMPANY/ NORTON GROVE, ILLINOIS". Decal, below, reads "This equipment complies with the require-/ments in Part 15 of FCC Rules for a Class/ Computing Device. Operation of this/ equipment in a residential area may cause/ unacceptable interference in radio and TV/ reception requiring the operator to take/ whatever steps are necessary to correct/ the interference." "NTOX43AD", "RO 1", and "MADE IN CANADA" printed on lower edge of frame back.

Missing

Unknown. According to curator, this unit is not operable.

Finish

Dark brown enamel painted frame; dark brown synthetic 'fronts' on modular components. Smoked brown synthetic door protects tape heads. Black enamel painted metal box secured to front left side of frame. Grey synthetic covering on large cable bundles.

Decoration

N/A