Infoblox 4000 Series appliances require the following space and airflow for system operation:

• Minimum clearance of 63.5 cm (25 in) in front of the rack;
• Minimum clearance of 76.2cm (30 in) in the rear of the rack;
• Minimum clearance of 121.9 cm (48 in) from the rack rear to the back of another rack or row of racks.

The Infoblox appliance draws air in through the front of the chassis and expels air through the rear. Adequate ventilation requires ambient room air to freely enter the system chassis and to be expelled from the rear of the chassis.
To mount the appliance to a seismic rack, do the following:

1. Unscrew the snap-in screws from the mounting rails and discard.
2. Install the round-hole M5 cage nuts in the appropriate rack hole positions where you want to install the appliance. Ensure that you install two cage nuts on the front and two on the back of each rail.
3. Line up a mounting rail with the cage nuts, and attach the mounting rail to the rack with the M5 screws (included in the adjustable rail kit), ensuring that the front end of each mounting rail connects to the front of the rack.

Note: Ensure that both rack rail assemblies are correctly level.

Figure 9 Installing the Round-Hole M5 Cage Screws

4. Repeat steps 1 to 3 for the other mounting rail.

5. Open the rail mounting instruction sheet bundled with the adjustable sliding four-post rack rail accessory kit, and follow its illustrated instructions to attach the slider rail to the Infoblox 4000 Series appliance.

6. With one person on each side, lift the appliance and position it in front of the rack.

7. Align the side rails on each side of the appliance with the mounting rails on the seismic rack.

8. Slide the appliance onto the mounting rails and into the rack. As you slide it into place, the catch mechanisms will click, indicating that you can safely withdraw the system from the rack without accidentally pulling it free.

9. Snap the Infoblox 4000 Series appliance into place, and fasten it to the rack using the retainer screws provided in the accessory kit. (For further information, refer to the instructions shipped with the accessory kit.)

10. Pull down the retention levers on both sides of the appliance, and insert the retainer screws on both sides, as shown in Figure 10.

Figure 10 Retention Levers on Front Panel for Retainer Screw Installation
 

Ground Lug Installation (DC Systems Only)

To meet grounding and bonding requirements for NEBS compliance, install a ground lug on the rear of the chassis. You install a ground lug on the chassis rear as labeled in Figure 6 of this Guide, and install a ground lug to each DC power supply using the screws illustrated in Figure 16 of this Guide. A ground lug, with two star washers and a ground lug screw, is provided in the accessory kit bundled with DC-equipped Infoblox 4000 Series appliances. The star washers are used with the ground lug to ensure a snug fit. To install the ground lug, do the following:

1. Remove the ground lug nut from the rear of the chassis.
2. Place one star washer on the lug nut screw, which is part of the chassis.
3. Place the ground lug on the lug nut screw, followed by the second star washer.
4. Replace the lug nut screw. Ensure that it is snug.
5. Plug a (properly grounded) ground cable into the ground lug.

Figure 11 Ground Lug Installation Sequence

Grounding Note on DC Power Supply Connections

DC-equipped Infoblox 4000 Seriess provide 2.5 meter DC power cords with three 10AWG wiring connections, labeled 48V/GND/RTN. DC power operation requires properly grounded DC connections. Each power supply provides a standard grounding nut, labeled with a standard "Ground" symbol on the power supply. Ensure that your DC connections are properly grounded before connecting power.