DIP switch

[derekleffew]

Dual Inline Package switch. Also written as "dip switch" and "dipswitch". A small two-position (ON, off) switch often used in an array of 2, 4, 8, or 10, to set an address or mode.

DIP Switch

See also http://www.controlbooth.com/forums/glossary/10091-dipswitch-chart.html.