Net Optics Optical Bypass Switch w_Heartbeat - Manual (Page 5)

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Optical Bypass Switch with Heartbeat
Introduction
Thank you for choosing the most versatile Optical Bypass Switch available
today . Whether you are a novice or an expert, this installation guide is
designed to help answer any questions and to provide a quick set-up reference.
Net Optics Optical Bypass Switches with Heartbeat provide a permanent and
trouble-free access port for in-line network security and monitoring devices.
The Optical Bypass Switch automatically switches network traffic through
added in-line devices or bypasses devices that are about to be removed . With
a heartbeat, the Optical Bypass Switch protects network traffic against both
signal and power loss on the attached in-line device .
Link Fault Protection
The Optical Bypass Switch with Heartbeat monitors the attached in-line de-
vice by sending a heartbeat packet to the device. If the Optical Bypass Switch
does not receive the heartbeat back, it automatically switches network traffic
to bypass the unresponsive device—even if the device is still receiving power.
The Optical Bypass continues to send the heartbeat and restores the traffic
through the in-line device as soon as the link is restored .
Uninterrupted Traffic
The Optical Bypass Switch supports fail-open monitoring with any GigaBit
in-line device when it shares the same power source as the in-line appliance .
For as long as the Optical Bypass Switch is receiving power, it diverts net-
work traffic to attached in-line devices. In this state, all in-line traffic is routed
directly to the device connected to the Optical Bypass Switch.
When the Optical Bypass Switch loses power, in-line traffic continues to
flow through the network link, but is no longer routed through the device.
This allows the network devices to be removed and replaced without network
downtime. Once power is restored to the Optical Bypass Switch, network traf-
fic is seamlessly diverted to the in-line device, allowing it to resume its critical
functions.
Simply Plug It In
Each Bypass Switch includes all the cables and power supplies you need
to quickly connect to an IPS. Three quick steps is all it takes to establish a
secure connection point for inline devices. For special applications, customize
the bypass trigger and Heartbeat rate from an RS232 command line interface.