CMS:Connections Museum

The Connections Museum is a communications technology history museum in Georgetown, Seattle. It is owned and managed by the Telecommunications History Group. The museum was established in 1986 by former telecom employees.

The Connections Museum has two floors, each with various switching machine installations and exhibits.

Third Floor

Tours start on the third floor, which has switches and exhibits from the early 1800s to the 1950s. It includes the following:

• Early Telephone History Display
• Strowger Step-by-Step (SXS) Switch
• AT&T Long Lines Microwave Equipment
• TeleType Collection
• Retro Computers Display
• Western Electric Appliances
• Clear Cubes Display
• Panel Switch
• Number Five Crossbar Switch (5XB)
• Power Board
• Number One Crossbar Switch (5XB)

Second Floor

Tours continue on the second floor, which has switches and exhibits mostly from the 1960s to the present, in addition to phones from all eras. It includes the following:

• Private Branch Exchange (PBX) Collection
• 3ESS (Electronic Switching System)
• Phone Lines Construction Display
• Hewitt Room
  • Low Voltage Switchboard Display
  • Comprehensive Phone Collection
• Mobile Phone Display
• DMS 10 (Digital Multiplexing System)
• Design Line Phone Collection
• Payphone Collection
• Multi-line Phone System Collection
• Private Automatic Branch Exchange (PABX) Collection