Serial Attached SCSI technologies and architectures, 4th edition

17
Figure 15: The external Mini SAS 4x connector (left) with enclosure-specific in and out ports; the universal
receptacle (right)
Figure 16 shows the icons identifying connectors that attach to an end device, an enclosure out port,
an enclosure in port, and an enclosure universal port.
Figure 16: External Mini SAS 4x cable connector icons that identify compatible devices and ports
Cable connectors and receptacles have keying to correspond to in ports (subtractive routing), out
ports (table routing), and ports for direct-attached end devices (direct routing). Figure 17 shows the
three keying methods corresponding to enclosure in and out ports and ports for direct-attached