IBM TotalStorage 2109 M12, Инструкция по установке и обслуживанию

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CAUTION:
This product contains a Class 1M laser. Do not view directly with
optical instruments. (C028)
Attention notices
An attention notice indicates the possibility of damage to a program, device, or
system, or to data. An exclamation point symbol may accompany an attention
notice, but is not required. A sample attention notice follows:
Attention: Do not use screws longer than 3/16 in.; you can damage
the switch.
Safety inspections
Perform the following safety checks to identify unsafe conditions. Be cautious of
potential safety hazards that are not covered in the safety checks. If unsafe
conditions are present, determine how serious the hazards are and whether you
should continue before you correct the problem.
Removing ac power
Perform the following steps to remove the alternating current (ac) power:
1. Perform a controlled system shutdown.
2. Set the power switch on the Model M12 to the off position.
3. Disconnect the power cables from the power source.
DANGER
Multiple power cords. (L003)
External machine checks
Perform the following external machine checks:
1. Verify that all external covers are present and are not damaged.
2. Ensure that all latches and hinges are in correct operating condition.
3. Check the power cable for damage.
4. Check the external signal cable for damage.
5. Check the cover for sharp edges, damage, or alterations that expose the
internal parts of the device.
6. Check that any unused serial ports are covered for dust and ESD protection.
The cover should be kept on the serial port whenever it is not being used.
7. Correct any problems that you find.
Internal machine checks
Perform the following internal machine checks:
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IBM TotalStorage SAN Switch: 2109 Model M12 Installation and Service Guide