Cable, Network Acronyms, Glossary and Terms - P
PABX, PBX: Private Branch eXchange. This equipment
provides the functiality to place calls on hold hold, transfer or redirect from
your telephone when connected to and you are using a PABX.
PDU: protocol Data Unit, information packet (ADDR,
CTRL, INFO) passed as one level between protocol stacks, OSI
Peer to Peer: A network architecture where computers connect directly
with other computers without the need for servers.
||A common name for the physical extruding pin and
ring connection. Widely used for video or audio signals, it is also called RCA.
Can be converted to a BNC plug with an adapter.
Plug: The male connector usually containing a centre pin.
Power Calculation: The following formula is used to calculate wattage
(or VA). This formula is useful to determine if a required voltage and current
combination will exceed the maximum capacity of a particular AC adapters case.
Volts x Amps = Watts (VA)
PSTN: Public switched telephone network, the telco
owned dial up network.