Adjective
not provided with a frame
Source: WordNetunframed pictures Source: Internet
An unframed all ones pattern is used to indicate an AIS (also known as a blue alarm). Source: Internet
These patterns are used primarily to stress the ALBO and equalizer circuitry but they will also stress timing recovery. 55 OCTET has fifteen (15) consecutive zeroes and can only be used unframed without violating one's density requirements. Source: Internet