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MCC-CRIO SETUP
5.1 OVERVIEW OF THE MCC-CRIO
Use the RI/RO ports of the MCC-CRIO to connect to concentrators that
have RI/RO ports. The two lobe ports allow you to attach stations to the
ring. Thus, stations connected to either lobe port can communicate across
the RI/RO connection to other parts of the ring, and they will also
communicate with each other.
of the MCC-CRIO to connect to an MMAC with the RI/RO ports and
attach two stations using the lobe ports. All of these devices occupy the
same ring.
Do not use RI/RO ports to connect rings that are intended to be
NOTE
physically separate segments. Using RI/RO ports to join
separate rings will create one ring. This configuration functions
but may cause the new ring to exceed the maximum station
count, depending on the size of the originally separate rings.
Server
Figure 5-2 Sample MCC-CRIO Configuration
5.1.1 Token Flow
The token enters the RI Port. Then the token passes to the station attached
to the P1 Port, before transmission to the station connected to the P2 Port.
Finally, the token leaves the CM through the RO Port.
5-2
Figure 5-2
shows the implementation
MCC-CRIO
PWR
P1
16 Mb
RI
P
1
R
I
RO
P2
R
O
P
2
Switch
MMAC
RO
RI
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