Differences between the DS14 and DS14mk2 FC

Shelf chassis

Front:

Drive bays are not keyed.

Back:

Power supply bays are not keyed.

Front:

Drive bays are keyed to prevent the use of unsupported drives.

Back:

Power supply bays are keyed to prevent the use of older power supplies that are incompatible.

Existence of a 1-Gb/2-Gb loop-speed switch.

Drives in drive carriers

Drive carriers are unkeyed and cannot be used with DS14mk2 FC.

Drive carriers are keyed and can be used with DS14.

Power supplies

Power supplies are unkeyed and cannot be used with DS14mk2 FC.

Power supplies are keyed and can be used with DS14.

LRC

LRC functions at 1-Gb loop speed.

LRC functions at 1-Gb loop speed and requires the loop-speed switch to be set at 1-Gb.

ESH

ESH functions at 1-Gb loop speed.

ESH functions at 1-Gb or 2-Gb loop speed, depending on the system configuration.

ESH2

• ESH functions at 1-Gb loop speed.
• Does not have a terminate switch.

• ESH functions at 1-Gb or 2-Gb loop speed, depending on the system configuration.
• Does not have a terminate switch.