260 SL150 Interface Reference Manual Julyl 2017
midplane
A card mounted in the Base Chassis and Expansion Chassis. The card is identical
whether used in a Base Chassis or an Expansion Chassis. This card is behind the tape
slots and in front of the tape drives. Other cards connect to it either by direct
connection or via a cable. Called the "Base Module Midplane" or "Expansion Module
Midplane" when referring to this card in a specific module.
Module 1
The smallest workable library. Mounted in the top rack position above any Expansion
Modules (Modules 2-15). Consists of the Base Chassis with the Midplane, Robot,
Front Control Panel, Mailslot, one or two Power Supplies, up to two Tape Drives, Left
Magazine, and Right Magazine.
Module X (2, 3, ..., 15)
A module that can be added to the bottom of an existing library to increase its
capacity for drives and cartridges. Consists of the Expansion Chassis, Expansion
Controller, up to two Power Supplies, up to two Tape Drives, a Left Magazine and a
Right Magazine.
module controller
A card inserted into the back of Modules 2-15 that controls the operation of the
module. Connected to the Robot by an Expansion Cable.
multimode fiber
An optical fiber designed to carry multiple signals, distinguished by frequency or
phase, at the same time.
N
net mask
A 32-bit, or 4-byte number, in dotted decimal format (typically written as four
numbers separated by periods, such as 255.255.0.0 or 255.255.255.0) that is applied to
an IP address to identify the network and node address of a host or router interface.
(Synonymous with subnet mask.)
network
An arrangement of nodes and branches that connects data processing devices to one
another through software and hardware links to facilitate information interchange.
O
offline
Neither controlled by, nor communicating with, a computer. (IBM)
online
Pertaining to the operation of a functional unit when under the direct control of the
computer. (T)
operator panel
A component of the front control panel consisting of a seven inch WVGA color touch
screen.
OPP
See operator panel.
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