Modem
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1992.1900.001
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- OBJECT TYPE
- DIGITAL/110V/60HZ/RELAY & TRANSISTOR
- DATE
- 1957
- ARTIFACT NUMBER
- 1992.1900.001
- MANUFACTURER
- Northern Electric
- MODEL
- DIGITAL SUBSET 2
- LOCATION
- Montreal, Quebec, Canada
More Information
General Information
- Serial #
- 105
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- SHEET METAL CABINET AND EQUIPMENT MOUNTING FRAME AND CHASSIS. WIRE SPRING RELAYS, TRANSFORMERS, CAPACITORS, FIXED AND VARIABLE RESISTORS, TRANSISTORS, MISC. WIRING. PHONE HAS SYNTHETIC CASING; SYNTHETIC & METAL COMPONENT PARTS.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 57.0 cm
- Width
- 63.0 cm
- Height
- 75.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Computing Technology
- Category
- Digital peripheral devices
- Sub-Category
- N/A
Manufacturer
- AKA
- Northern Electric
- Country
- Canada
- State/Province
- Quebec
- City
- Montreal
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- THIS TYPE OF EQUIPMENT USED C. 1957- 1970.
- Canada
-
MANUFACTURED AND USED IN CANADA. - Function
-
TO CONVERT ASCII OR BAUDOT DATA SIGNALS FROM A KEYBOARD DEVICE TO A FREQUENCY SHIFT TONE SIGNAL FOR TRANSMISSION OVER A STANDARD TELEPHONE CIRCUIT; AND CONVERT INCOMING FREQUENCY SHIFT TONE SIGNALS TO ASCII OR BAUDOT SIGNALS FOR A TERMINAL DEVICE. - Technical
-
EXAMPLE OF VERY EARLY CUSTOMER TO CENTRAL OFFICE DATA LINK. CARRIES LOW SPEED DATA AND A VOICE CIRCUIT. APPROX. 300 BAUD CAPIABILITY. - Area Notes
-
Unknown
Details
- Markings
- "579" handwritten in white ink on cabinet. Mfr's plate, below, reads " Northern Electric/ COMPANY LIMITED/ DIGITAL SUBSET MOD. 2/ SERIAL NO. 105/ PAT. PENDING/ VOLTS 110/ AMPS. 5/ CYCLES 60/ WATTS 550/ MADE IN CANADA CSA. APP. NO. 3676 "./ Masking tape label on top of cabinet reads " 31272"/ Plate on component part inside cabinet reads " 101G/ POWER PLANT/ J86731A- 2 L6/ BELL SYSTEM/ MADE BY/ Northern Electric/ COMPANY LIMITED/ INPUT/ VOLTS/ 105-130/ CYCLES/ 60/ WATTS/ 90/ CSA APP./ NO. 6757/ OUTPUT/ V.A./ TLK./ DC- 14-28 0.9/ SIG./ 18-28 0.6/ AC/ 18-75- 11 2.8/ CYCLES OR/ 60/ 15-20 1.4 ".
- Missing
- NONE.
- Finish
- FINE WRINKLE OLIVE GREEN ENAMEL FINISH; BLACK TELEPHONE.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Northern Electric, Modem, circa 1957, Artifact no. 1992.1900, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1900.001/
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