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3.2.2 How the Device Channels are Connected
Your subsystem uses 2 device cables, one for each device channel. One
end of the device cable is connected to a device channel of the control-
ler unit and the other ends of the cable are connected to 3 or 4 U-
shaped frames of the mobile racks.
A U-shaped frame holds a mobile rack that houses a hard drive. Device
channel 1 connects to 3 U-shaped frames and device channel 2 con-
nects to 4 U-shaped frames. The last connector of the cable is connect-
ed to the active terminator, located at the rear of the subsystem, to
terminate the device channel. Refer to the figure below.
Figure 3-2: Device Channels Connection
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