When the GE daughter card is used with the RTM-ATCA-7150 it can be installed on the daughter card connector J1, J2, J3, J4. The default position as used on the RTM-ATCA-7150-GE is position J4. The default position as used on the RTM-ATCA-7150-GE-FC is position J1.
Figure 2-3 Structure of RTM-ATCA-7150
ATCA-7150 and RTM-ATCA-7150 Getting Started (6806800G42B)