ABB SROUT Technical Reference Manual page 16

SROUT
16
Router Option Card for Lon® Star Coupler
RER 111
the same subnet, the message will not be passed on to subnet 2. But if node X in
subnet 1 sends a message to node Z in subnet 2, the message will naturally be
passed on to subnet 2). This is done by changing the routing algorithms of the
router.
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The default router algorithm is a repeater.
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The configured routing algorithm enables two buttons at the bottom of this
window. The routers in this system either forwards or drops messages
depending on the destination subnet. Therefore you have to set the IRUZDUGLQJ
IODJV in the routing table.
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The router has two sides and so the routing table has two sides too: WKLV VLGH and
the IDU VLGH. A check-mark in a box indicates that a message addressed to the
subnet should be forwarded. So, when subnet 1 has a check in the WKLV VLGH box,
for example, messages addressed to subnet 1 will be passed through the router
from WKLV VLGH to the IDU VLGH.
In the example system in figure 1.-2, WKLV VLGH is an open-collector bus on the
mother board and the IDU VLGH is a fibre-optic interface. Which side is which
depends on where the management node is connected. In this system, the
management node is connected to the open-collector bus of the router.
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Next you have to verify that the Neuron chip structures are right on both router
sides:
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You will get the Neuron Structures, Near Side window.
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You will see now Neuron Structures, Far Side parameters.
In this case the far side (router side A) is the fibre-optic interface. Thereby it is
important that the configuration structure parameters are as mentioned in the
Appendix A, Table 3 of this manual.
Especially check the following values and change them if needed:
1MRS 750109-MUM
ABB Automation