SONET standard for transmission over OC-1 optical fiber at 51.84 Mbps.
Synchronous transport level one. An electrical signal that is converted to or from SONET’s optically based signal; equivalent to the OC-1 signal of 51.84 Mbps. STS-1 was designed to allow mapping in a DS3 channel of 45 Mbps.
SONET basic transmission rate of 51.84 Mb/s
Synchronous Transport Signal level 1. Basic building block signal of SONET, operating at 51.84 Mbps. Faster SONET rates are defined as STSn, where n is a multiple of 51.84 Mbps.
SONET basic transmission rate of 51.84 Mbps.