Specifications

945Fabric OS Version 3.1.x/4.1.x Reference Guide
glossary
Glossary
Glossary
This glossary defines terms used in this guide or related to this product and is not
a comprehensive glossary of computer terms.
16-port card
The Fibre Channel port card provided with the StorageWorks Core switch. Contains 16 Fibre
Channel ports and the corresponding LEDs indicating port status and speed.
See also port card.
8b/10b Encoding
An encoding scheme that converts each 8-bit byte into 10 bits. Used to balance ones and zeros in
high-speed transports.
Access Control List
Enables an organization to bind a specific WWN to a specific switch port or set of ports, preventing
a port in another physical location from assuming the identity of a real WWN. May also refer to a
list of the Read/Write access of a particular community string.
See also device connection controls.
Account Level Switches
Refers to switches that have four login accounts into the operating system (in descending order):
root, factory, admin, and user.
See also root account, factory account, admin account, and user account.
Address Identifier
A 24-bit or 8-bit value used to identify the source or destination of a frame.
Admin Account
A login account intended for use by the customer to control switch operation.
See also account level switches.
AL_PA
Arbitrated Loop Physical Address. A unique 8-bit value assigned during loop initialization to a
port in an arbitrated loop.