Avaya 5900 Series Installing Manual page 42

Switch installation
• Hex wrench to assemble and attach the optional four-post rack-mount brackets.
Rack requirements
• Space of 2.8 inches (7.1 centimeters) for each switch in an E1A or 1EC standard 19 inch (48.2
centimeter) equipment rack and T1A 23 inch (58.5 centimeter) equipment rack.
• Appropriate rack space to accommodate 1U or 2U switch height.
• Four-post rack bolted to floor and braced if necessary.
• Four post-rack must be grounded to the same grounding electrode used by the power service
in the area. The ground path must be permanent and must not exceed 1 ohm of resistance
from the rack to the grounding electrode.
Verify that you have all the screws and brackets to assemble and install the four-post rack mount kit.
Figure 17: Four-post rack-mount kit assembly
Procedure
1. Attach a front bracket to each guide bracket with four 8.5 mm length flat head machine
screws.
September 2017 Installing Avaya ERS 5900 Series
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