PCE-5B12D-04A1E Interface Modules 13-slot PCIMG 1.3 Backplane, 2 Segments. Each Segment: 1 CPU Card, 1 PCIe x16, 4 PCI Slots for PCE-5120, PCE-5124 & PCE-7214. Compatible with 14 slot chassis IPC-610-L, IPC-610-H, IPC-610-F, IPC-611, IPC-615, IPC-630, ACP-4000, ACP-4320 and ACP-4362