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MCC-D2PM SETUP
6.1.1 Token Flow
The token enters the P1 Port then passes to the device attached to the P4,
P3, then P2 Port. Finally, the token returns to the P1 Port.
Splitting the CM places the P1 Port and P2 Port on a different MAU than
the P3 Port and P4 Port. In this configuration, the token passes from the
P1 Port to the P2 Port on the top MAU and from the P4 Port to the P3 Port
on the bottom MAU.
6.2 SETTING JUMPERS TO CONFIGURE THE CM
Refer to
Figure
6-3, and
Table 6-1
through
Table 6-4
when setting
jumpers. Note that the figure shows the jumpers in their On or Off
positions as set at the factory (default settings).
P1
P1
P3
P3
P2
P2
Figure 6-3 Location of Jumpers P1, P2, And P3
(Default Settings)
6.2.1 Joining The D2PM Into One Ring
Each MAU can occupy one ring. This allows stations connected to the top
pair of lobe ports (labeled P1 and P2) to communicate with stations
connected to the bottom pair of lobe ports (labeled P3 and P4). Enable or
disable this feature using jumper P3, as listed in
Table
6-1.
6-3
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