Connect SC200/SC220 EnclosuresDell Compellent 67Dual Controllers, One Enclosure, Single Chain, Low Profile SASThis illustration shows two SC8000 controllers cabled to two 6 Gb enclosures using a lowprofile SAS IO card in a low profile card slot and creating a single chain.Figure 66. Dual SC8000 Controllers, One Enclosure, One Chain, Low Profile SASNote: In a single‐chain configuration, use SAS ports 2 (initiator) and 4 (target) tocreate a redundant IPC connection. When you configure these ports using the IOport wizard, set the port Purpose to Unknown.Path ConnectionsIPC 1 Controller A: slot 3, port 2 → Controller B: slot 3, port 4.2 Controller B: slot 3, port 2 → Controller A: slot 3, port 4.Chain 1: A Side 1 Controller A: slot 3, port 1 → Enclosure: top EMM, port A.2 Enclosure: top EMM, port B → Controller B: slot 3, port 3.Chain 1: B Side 1 Controller B: slot 3, port 1 → Enclosure: bottom EMM, port A.2 Enclosure: bottom EMM, port B → Controller A: slot 3, port 3.EnclosureController AController BAA BB4321
