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.
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.
servomechanism
A feedback control system in which at least one of the system signals represents mechanical
motion.
250 IBM TS2900 Tape Autoloader: Setup, Operator, and Service Guide Machine Type 3572
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