T1 channel bank

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  • Details
  • Description
Photographer
Richards, Mark
Dimensions
overall: 9 in x 19 in x 10 in
Manufacturer
Premisys Communications
Credit Line
Gift of John Bodo and Unix Surplus
Copyright Owner
© Mark Richards
Object ID
500003112

This was the interface between the telephone company’s leased T1 line coming into a business, and the internal serial communication lines to the customer’s equipment. Each T-1 circuit transmitted about 1.5 million bits per second.