Chapter 3. Cabling the DCS3700
This chapter addresses the following cabling and configuration topics:
v “Enclosure ID Settings” on page 42
v “Cabling the DCS3700 Storage System”
v “Installing SFP modules” on page 44
v “Removing SFP modules” on page 46
v “Handling fibre-optic cables” on page 47
v “Using LC-LC Fibre Channel cables” on page 48
v “Cabling the DCS3700 expansion enclosure” on page 51
v “Cabling the power supply” on page 65
Cabling the DCS3700 Storage System
The section provides information and instructions for cabling the DCS3700 storage system. After the
storage subsystem is installed in its permanent location, you must cable it to hosts, expansion units, and
other external devices, depending on your hardware configuration.
Controller connectors (with SAS host port adapters)
Figure 18 shows the optional SAS host port adapter installed in both controllers at the rear of the storage
subsystem.
SAS Host port 1, 2, 3, and 4
The DCS3700 host ports are each a x4 multilane, 6 Gbps universal mini-SAS port. Connect a SAS
cable from your host system SAS host bus adapter to a host port on each controller.
Drive expansion port
The drive expansion port is a x4 multilane SAS port. Connect a SAS cable to this port and to a
drive expansion enclosure.
Figure 18. Dual-controller DS3700 storage subsystem ports and controllers (with an optional SAS host port adapter)
© Copyright IBM Corp. 2011 41
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