Selecting The Ring Speed(S) - Cabletron Systems MCC-16 User Manual

MCC-D2PM SETUP
Table 6-1 Joining The CM Into One Ring With Jumper P3
Ring Configuration
CM split into two rings
All ports on the same ring
If you split the MAU into two rings, you may need to set the speed of the
second ring, as described in

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.
If the CM is split into two rings, then jumper P1 controls the
NOTE
speed of the top two lobe ports (labeled P1 and P2).
Table 6-2 Ring Speed Settings With Jumper P1
Ring Speed Setting
16 Mbps
4 Mbps
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.
6-4
Put Jumper P3 Sleeve Over
Pins 2 and 3 (Default setting)
Pins 1 and 2
Section 6.2.2.
Put Jumper P1 Sleeve Over
Pins 1 and 2 (Default setting)
Pins 2 and 3