Dell PowerVault TL1000 User Manual

Page 183

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RFC (Request for Comments)

Request for Comments (RFC) documents are a series of memoranda, which
encompasses new research, innovations, and methodologies applicable to
Internet technologies.

RH

Relative humidity.

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.

SAC

Service Action Code. Code that is developed to indicate possible FRU or
FRUs to replace to repair the hardware.

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.

Glossary

F-15

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