Quantum StorNext QD7000 Hardware Manual page 125

1. Controller A
2. Controller B
3. SAS drive expansion connector (connectors 3 and 4 comprise a redundant path pair)
4. SAS drive expansion connector (connectors 3 and 4 comprise a redundant path pair)
Drive trays
The following figure shows the SAS ports on a DE1600 drive tray or a DE5600 drive tray. Each
environmental services module (ESM) has two SAS-2 in ports and one SAS-2 expansion (out) port.
You can connect the SAS in ports to the SAS expansion port on another drive tray or to the SAS
expansion port on a controller-drive tray.
1. ESM A
2. SAS in - port 1
3. SAS in - port 2
4. SAS out (expansion) port
5. ESM B
The following figures show the SAS ports on a DE6600 drive tray. Each environmental services
module (ESM) has two SAS in ports and one SAS expansion (out) port. You can connect the SAS in
ports to the SAS expansion port on another drive tray or to the SAS expansion port on a controller-
drive tray. Follow the cabling pattern shown in the figures in this topic.
Drive shelf or drive tray cabling | 117