EMC Connectrix B Series Hardware Reference Manual page 105

PAL
Parallel
Participating Mode
Path Selection
payload
PBC
PCBA
PCM
Persistent Error Log
Phantom Address
Phantom Device
PID
PLA
PLD
PLDA
EMC Connectrix B Series DS-8B3 and DS-16B3 Hardware Reference Manual
Programmable Array Logic. A relatively small FPD.
The simultaneous transmission of data bits over multiple lines.
A mode in which an L_Port in a loop has a valid AL_PA and can
arbitrate, send frames, and retransmit received transmissions. See
also L_Port and Nonparticipating Mode.
The selection of a transmission path through the fabric. EMC switches
use the FSPF protocol.
A Fibre Channel frame has a header and a payload. The payload
contains the information being transported by the frame; it is
determined by the higher-level service or FC_4 upper-level protocol.
There are many different payload formats.
Port bypass circuit. A circuit in hubs or a disk enclosure to open or
close a loop to add or remove nodes.
Printed circuit board assembly.
Pulse-code modulation. A standard method of encoding analog
audio signals in digital form.
Error messages of a high enough level (by default, Panic or Critical)
are saved to flash memory on the switch instead of to RAM. These
messages are saved over reboots and power cycles, constituting the
persistent error log. Note that each CP on an ED-12000B has its own
unique persistent error log.
An AL_PA value that is assigned to a device that is not physically in
the loop. Also known as "phantom AL_PA."
A device that is not physically in an arbitrated loop but is logically
included through the use of a phantom address.
Port identifier.
Programmable logic array. A small FPD.
Programmable logic device. Interchangeable with "FPD."
Private loop direct-attached. A technical report specifying a logical
loop.
Glossary
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