Echelon LonPoint Module - Manual (Page 66)

4-30 Installation and Wiring of Base Plates
There are restrictions about the placement of a Type 2D Base Plate relative to other
Type 1D or Type 2D Base Plates to which it will be connected via Jumper Plugs. In
all cases, any Type 2D Base Plates must be located to the left side of other Type 2D
Base Plates (figure 4.28).
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8 1
7 1
6 1
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Jumper Plugs (x-ray view)
2 1A 1A
Type 2D Type 1D Type 1D
Figure 4.28 Locate the Type 2D Base Plate to the Left of Type 1D Base Plates
Type 1D Base Plates must be located to the right of any router in a Type 2D Base
Plate with which they share a common channel. The reason for this limitation is
that only the right Jumper Plug connector on a Type 2D Base Plate bridges the
network connection, the left Jumper Plug connector on a Type 2D Base Plate bridges
only the power connection. This arrangement permits several routers, each with a
different channel type, to be connected to a common power supply. Figure 4.29
shows mounting configurations that are problematic and must be avoided because
the router will be unable to communicate with the other LonPoint modules.