Overview
The Multiaccess Enclosure (MAE) is based on an IBM 2216, for location refer to
Appendix A, “Multiaccess Enclosure Components Location” on page A-1
Multiaccess Enclosure
PS2
PS1
8228
8228
3746-9x0
TRA (note)
TRP
TIC3
TIC3
TIC3
CBSA
SPS
CBC
CBSP
CS
ESCA
SL
SIE
ESCP
ESCC
NNP/A NNP/B
8228
Service Processor
Controller Expansion
S
A
C
Figure 1-1. Multiaccess Enclosure Environment
There are two links between the 3746 and the MAE:
1. A serial link which is mandatory between the Switch Interface Extender (SIE)
card in the 3746 and the Switch Adapter Card (SAC) card in the MAE.
2. A Token-Ring link which is optional:
If there is no APPN traffic between the 3746 and the MAE, the TR link is
not required.
To support APPN traffic between the MAE and the 3746-9X0 you can
have:
– One link: TIC3 - 8228 - MAE.
– Or two links can be used to optimize the thruput from the MAE to the
3746-9X0 (the two TIC3s can be plugged on two different TRPs).
1-2 3746-9X0: MAE Installation and Maintenance
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