Glossary - 3
Glossary
RS-232
A specification that details the electrical interface between two pieces of equip-
ment. It does not control protocolsit only specifies the electrical signal levels and
handshaking signals. Typical signal levels are
+12V and maximum cable lengths
can be up to 50 feet.
RS-485 Network
A specification that details the electrical interface between two pieces of equip-
ment. It does not control protocolsit only specifies the electrical signal levels and
handshaking signals. Typical signal levels are
+5V and maximum cable lengths can
be up to 5000 feet.
UL 1076 System
The section of the UL standard that covers the operation of security systems.
XL3
This is the original analog addressable fire alarm control panel. The MXL is based
on innovations to the technology developed for this system.
XNET
An RS485 network used between MXL systems to allow peer to peer communica-
tion between MXL systems.
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