Network Appliance DiskShelf 14mk2 FC, Hardware And Service Manual

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66 Adding a disk shelf in an existing mixed-shelf loop
10 Use the appropriate cable to connect both modules of the disk shelf to
the other disk shelves or to your storage controller. See “
Disk shelf
cabling requirements ” on page 34 for additional requirements.
The following illustration shows a DS14 disk shelf installed above an
FC9 disk shelf.
11
If the DS14/DS14mk2 FC... Then...
Is the only disk shelf being added
to the loop Turn the terminate switches on
LRCs A and B to the On
position.
Note
Because LRC B on the disk shelf
is inverted, the On terminate
position on LRC B is up instead
of down.
Step Action
1
0
Input
FAN 1
— A — — B —
FAN 2 FAN 3
Output
PSU 2
SHELF ID
PSU 1
Mute Temp
o
—
DISCONNECT
2 POWER CORDS
BEFORE
SERVICING
Output
Input
DS14 disk shelf
FC9 disk shelf
Terminate switch on
LRC A active
terminate position