Cabletron Systems MCC-16, User Manual

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MCC-D2PM SETUP
6-4
Table 6-1 Joining The CM Into One Ring With Jumper P3
If you split the MAU into two rings, you may need to set the speed of the
second ring, as described in
Section 6.2.2 .
6.2.2 Selecting The Ring Speed(s)
Use jumper P1 to select the ring speed of the MCC-D2PM, as shown in
Table 6-2 .
Use jumper P 2 to set the speed of the bottom ring (labeled P3 and P4)
when the CM has been configured as two MAUs on separate rings,
(see
Table 6-2 ). If the MCC-D2PM is configured as a single ring MAU,
jumper P2 is not used.
Ring Configuration Put Jumper P3 Sleeve Over
CM split into two rings Pins 2 and 3 (Default setting)
All ports on the same ring Pins 1 and 2
NOTE
If the CM is split into two rings, then jumper P1 controls the
speed of the top two lobe ports (labeled P1 and P2).
Table 6-2 Ring Speed Settings With Jumper P1
Ring Speed Setting Put Jumper P1 Sleeve Over
16 Mbps Pins 1 and 2 (Default setting)
4 Mbps Pins 2 and 3