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Gigabit Interface Converter (GBIC)
Converts copper interface to optic interface.
gnd
Ground.
H
HBA
Host Bus Adapter.
HD Slot Technology
High-density (HD) slot technology. Allows multiple cartridges to be stored in a tiered
architecture.
hertz (Hz)
Unit of frequency. 1 hertz equals one cycle per second.
hex
Hexadecimal.
High Voltage Differential (HVD)
A logic signaling system that enables data communication between a supported host and the
library. HVD signaling uses a paired plus and minus signal level to reduce the effects of noise on
the SCSI bus. Any noise that is injected into the signal is present in both a plus and minus state,
and is canceled. Synonymous with differential.
HVD
SCSI Bus High Voltage Differential
Hz
Hertz (cycles per second).
I
ID
Identifier.
identifier (ID)
(1) In programming languages, a lexical unit that names a language object; for example, the
names of variables, arrays, records, labels, or procedures. An identifier usually consists of a letter
optionally followed by letters, digits, or other characters. (2) One or more characters that are used
to identify or name data element and possibly to indicate certain properties of that data element.
(3) A sequence of bits or characters that identifies a program, device, or system to another
program, device, or system.
IEC
International Electrotechnical Commission.
IKE
Internet Key Exchange that is used in the IPsec protocol.
IML
Initial microprogram load.
incompatible magazine
This message might display on the Operator Panel during library initialization. It occurs during
factory restore or VPD. This message is not a real issue since it takes time for the library to
configure.
initial microprogram load (IML)
The action of loading a microprogram from an external storage to writable control storage.
initiator
The component that runs a command. The initiator can be the host system or the tape control
unit.
Installation.
INST
interface
A shared boundary. An interface might be a hardware component to link two devices or it might
be a portion of storage or registers accessed by two or more computer programs.
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Dell PowerVault TL1000 Tape Autoloader: User's Guide
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