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MOXA TN-5916 ToughNet NAT Router Installation Guide

Bypass Relay Function  
The TN-5916 is equipped with a bypass relay function. When the router is  
operating normally, these bypass ports work in the same way as the other  
ports. That is, frame ingressions are processed and then forwarded. If the  
router stops working due to a power failure, the bypass relay function will  
be triggered to ensure non-stop data communication.  
The figure below illustrates the bypass relay function. For example, if  
Router B loses power, then the two bypass functional ports will be  
bypassed through the relay circuit and the transmission line from Router  
A to B and the transmission line from Router B to C will interconnect  
automatically, ensuring that power continues to be supplied.  
The bypass relay function helps the network recover from single-node  
failures in a linear topology.  
Router A  
Router B  
Router C  
Router D  
Since the maximum segment length of category 5 twisted-pair cable is  
100 meters, cable length must be considered when designing a network  
that utilizes this function. For example, the total length of the cables from  
Router A to B and from B to C must be no more than 100 meters. This way,  
if the two adjacent nodes (router B and C for example) encounter a power  
failure, there will be no stoppage, provided that the total length of the  
cables A-to-B, B-to-C, and C-to-D are no more than 100 meters.  
The bypass relay function works best for networks with linear topologies.  
ToughNet™ routers with bypass relay function are not recommended to  
be used in networks that employ ring topologies because network loops  
may occur when redundancy protocols such as RSTP or TurboRing™ are  
applied.  
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GeneralDetails
NameMOXA TN-5916 ToughNet NAT Router Installation Guide
MakeMOXA
LanguageEnglish
FiletypePDF (Download)
File size1.85 MB
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MOXA TN-5916 ToughNet NAT Router Installation Guide