APPENDIX C - Glossary of Terms
A
Amp - unit of current.
ac
Alternating Current
Ah
Amp hour – unit of capacity for standby batteries.
BGU
Break Glass Unit. Also know as manual call point.
Cause/effect
The relationship between programmable actions and
the events which cause those actions.
CIE
Control and indicating equipment (the control panel)
c/w
complete with
CPU
central processing unit
dc
Direct Current
EMC
Electro-Magnetic Compatibility.
EOL
End Of Line resistor.
I/O
Input/output
LCD
Liquid Crystal Display. Alphanumeric display used
for textual information.
LED
Light Emitting Diode. Display indicator.
Local
cause/effect
Cause and effect where an event on a panel does not
cause an action on any other panel. (c.f. network
cause/effect)
MCP
Manual Call Point also know as BGU.
Network
cause/effect
Cause/effect where an event on one panel causes an
action on another panel (c.f. local cause/effect).
Network panel
A panel connected to another panel using the Integra
network card to create a larger system.
Node
One panel on a network system. Also called a
network node.
PC
Personal Computer.
PCB
Printed Circuit Board.
P.s.e.
Power Supply Equipment.
RS485
Serial communications standard used for
interconnection of equipment. It is commonly used
to refer to connections using this type of
communications.
Stand-alone
panel
A panel not connected to any other panel using the
Integra network card network
SLA
Sealed Lead Acid – type of standby battery.
V
Volt – unit of electrical potential.
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02/10/03
