Node canister ports
Each node canister has a number of ports for connecting cables and USB flash memory devices.
Figure 1. Storwize® V3700 node
canister ports

- 1 Ethernet port 1 (1 Gbps).
- 2 Ethernet port 2 (1 Gbps).
- 3 SAS ports 1-3. Used to attach hosts, and DS3200 and DS3500 storage for migration purposes.
- 4 SAS port 4. Used to connect expansion enclosures.
- 5 Service port. Do not connect a cable to this port.
- 6 USB port 1.
- 7 USB port 2.
SAS port 4 is used to connect to expansion enclosures. A SAS link consists of four lanes, called phys. This port is a mini-SAS HD socket. When plugging a SAS cable into this port, orient the connector so that the blue release tag is below the connector (as shown in Figure 2).
Figure 2. SAS
cable connectors
