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59096-04 A Glossary-3
SANbox 5000 Series Fibre Channel Switch
Installation Guide
A
Flash Memory
Memory on the switch that contains the
chassis control firmware.
Frame
Data unit consisting of a start-of-frame
(SOF) delimiter, header, data payload,
CRC, and an end-of-frame (EOF)
delimiter.
FRU
Field Replaceable Unit
Group
A list of device worldwide names that are
authorized to attach to a switch. There are
three group types: one for other switches
(ISL), another for devices (port), and a
third for devices issuing management
server commands (MS).
Heartbeat LED
A chassis LED that indicates the status of
the internal switch processor and the
results of the Power-On Self-Test.
Inactive Firmware
The firmware image on the switch that is
not in use.
Inband Management
The ability to manage a switch through
another switch over an inter-switch link.
Initiator
The device that initiates a data exchange
with a target device.
In-Order-Delivery
A feature that requires that frames be
received in the same order in which they
were sent.
Input Power LED
A chassis LED that indicates that the
switch logic circuitry is receiving proper DC
voltages.
Inter-Switch Link
The connection between two switches
using E_Ports.
IP
Internet Protocol
LIP
Loop Initialization Primitive sequence
Logged-In LED
A port LED that indicates device login or
loop initialization status.
Maintenance Button
Formerly known as the Force PROM
button. Momentary button on the switch
used to reset the switch or place the switch
in maintenance mode.
Maintenance Mode
Formerly known as force PROM mode.
Maintenance mode sets the IP address to
10.0.0.1 and provides access to the switch
for maintenance purposes.
Management Information Base
A set of guidelines and definitions for
SNMP functions.
Management Workstation
PC workstation that manages the fabric
through the fabric management switch.
Mesh Topology
A fabric in which each chassis has at least
one port directly connected to each other
chassis in the fabric.