System information

g-46
Eclipse™ 2640 SAN Router Administration and Configuration Manual
Glossary
port address name A user-defined symbolic name of 24 characters or less that identifies a
particular port address.
port card Field-replaceable hardware component that provides the port
connections for fiber cables and performs specific device-dependent
logic functions.
port card map Map showing port numbers and port card slot numbers inside a
hardware cabinet.
POST See power-on self-test.
power-on self-test POST. Series of diagnostic tests that are run automatically by a device
when the power is turned on
preferred domain ID Configured value that a switch will request from the Principal
Switch. If the preferred value is already in use, the Principal Switch
will assign a different value.
preventive service
planning bucket
PSP bucket. Collected problems after early ship of an IBM product.
principal switch In a multiswitch fabric, the switch that allocates domain IDs to itself
and to all other switches in the fabric. There is always one principal
switch in a fabric. If a switch is not connected to any other switches, it
acts as its own principal switch.
printed wiring
assembly
PWA. A thin board on which integrated circuits and other electronic
components are placed and connected to each other via thin copper
traces.
private device A loop device that cannot transmit a fabric login command (FLOGI)
command to a switch or director, nor communicate with
fabric-attached devices. Contrast with
public device.
private loop A private loop is not connected to a switched fabric, and the switch’s
embedded expansion port (E_Port) and fabric loop port (FL_Port) are
inactive. All devices attached to the loop can only communicate with
each other. Contrast with
public loop.
processor complex A system configuration that consists of all the machines required for
operation, for example, a processor unit, a processor controller, a
system display, a service support display, and a power and coolant
distribution unit.