Dell PowerVault TL4000 - Manual (Page 295)

RID tag
Repair identification tag.
RML Rack Mount Line.
robot Picker.
robotics
Picker assembly.
root CA certification
In cryptography, a root certificate from a certificate authority (CA).
RPQ Request for price quotation.
RSA key
Encryption key type.
R/W read/write.
S
s Seconds of time.
SAN Storage area network.
SAS Serial Attached SCSI. A computer bus technology and serial
communication protocol for direct attached storage devices. SAS is a
replacement for parallel SCSI with higher speeds, but still utilizing SCSI
commands.
scratch cartridge
A data cartridge that contains no useful data, but can be written to with
new data.
SCD Single Character Display.
SCSI Small computer system interface.
SE Single-ended.
segment
A part.
sel Select.
Serial Attached SCSI (SAS)
A drive with a SAS interface can be linked directly to controllers. SAS is a
performance improvement over traditional SCSI because SAS enables
multiple devices (up to 128) of different sizes and types to be connected
simultaneously with thinner and longer cables. It supports full-duplex
signal transmission up to 3 Gb/s. In addition, SAS drives can be
hot-plugged.
serialize
To change from parallel-by-byte to serial-by-bit.
serializer
A device that converts a space distribution of simultaneous states, which
represents data into a corresponding time sequence of states.
servo, servos
An adjective for use in qualifying some part or aspect of a
servomechanism.
Glossary I-15