Extending SLC racks

1. Install the rack interconnect cable before installing the power supply in
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multiple rack configurations.
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2. The cables are “keyed” for proper installation. The end of the cable that
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plugs into the left socket has the “key” on the outside of the connector. The
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opposite end of the cable has the “key” on the inside of the connector.
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Figure 1 displays the connector and the keys.
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3. Make sure the cable is properly secured to prevent against the effects of
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shock and vibration. To remove the cable, move the tabs on the socket
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outward and the connector will pop out. See Figure 1 on the next page.
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Refer to the​

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SLC 500™ Modular Hardware Style Installation and
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Operation Manual​

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, publication 1747-6.2, for complete information.
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4. The expansion cable must always exit the right end of the rack with the
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CPU. Figure 2 displays correct and incorrect installations.
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5. The 1746-C16 cable should be used when connecting two 1746-A13 racks
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(one above the other) with 1746-P4 power supplies.

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