NEC ux5000 Hardware Manual page 80

Chapter 1 - Installing the Chassis
1. Install the 19" rack mount bracket.
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Each 19" metal Chassis-A will require approximately 3.5" of height (2U chassis) within the rack
(see Figure 1-91: 19" CHASSIS-A (2U) RACK MOUNT INSTALLATION in Chapter 1 - Installing
the Chassis on page 1-69).
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When rack mounting the Chassis-B/E plastic chassis, they must be installed vertically for proper
air circulation.
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Figure 1-90: 19" CHASSIS-B/E RACK MOUNTING
Chapter 1