
3.18.15 06443E © 2015, Inovonics - www.inovonics.com
47
Glossary
Alarm message
The alarm message indicates an end device change of
state, such as an open/close contact alarm.
Check-in message
A check-in message is a supervisory message sent
between EchoStream devices at set periods of time to ensure the device is
functioning properly.
Device
Any component in an EchoStream system, including end devices,
repeaters, as well as the EN6080 area control gateway.
End device
Any transmitter or transceiver used by an EchoStream system to
send data.
Mobile duress pendant
A pendant transmitter worn on a person, allowing
them to send an alarm anywhere within the coverage area.
NID/network ID
The NID is used by the network of high-power repeaters and
two-way end devices for avoiding messages sent from overlapping
EchoStream networks. The NID of the network coordinator is assigned a
random value between 1 and 31 at the factory. The NID of one-way end
devices is always zero and the NID of high-power repeaters and two-way end
devices default to a value of zero from the factory but may be set to that of the
network coordinator at time of registration in the system. Your application
controller may also change the NID in the event that there is a nearby
EchoStream network with the same NID.
Noise floor
The running average of signal strength for each channel that is
measured when a valid signal is not present on the channel.
Partition
Partitions are a security term used to group devices together so
they can be acted upon as one entity. In the context of the EN6080 area
control gateway, partitions are assigned to devices and typically describe the
physical location of the device. They are reported with the device's alarm.
Point
A point is the programmable setting to which an end device is
registered in the EchoStream system.
RF
Radio frequency.
Repeater
A line-powered device that intelligently amplifies transmission from
any EchoStream series transmitter while ignoring background noise.