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ATCA Backplane
13
R1.0, October 2018
3.4 Shelf Manager Cross Connect
The ATCA Backplane provides cross connect traces between the Base Hubs
and the Shelf Managers according to PICMG Engineering Change Notice
ECN 3.0-2.0-001. This ECN adds an option for dual 10/100 Base-T links from
each Base Hub to both dedicated Shelf Manager slots.
Figure 7: Shelf Manager Cross Connect
Table 3: Connector (P23) pin assignments for Shelf Manager Cross Connect
12709823
Row
Designation
ab
cd
ef
gh
5
Shelf Manager Port
with Shelf Manager
Cross Connects
Tx1+
Tx1-
Rx1+
Rx1-
Tx2+
Tx2-
Rx2+
Rx2-
Shelf Manager Cross Connect 1
Shelf Manager Cross Connect 2