Material ID 860647713
Rev B, V.05, February 2022
Page 19
38 Pages
► Step 6. Connect Cabinet to Main Earth Ground
Connect cabinet to earth ground with at least one ground lug at bottom rear of cabinet, Figure 28.
■ Use a 2 AWG ground wire (customer provided) to site ground ring per local requirements.
■ Ground external ancillary equipment to the 8-position ground bar located in the cabinet. The ground
bar uses 1/4"-20 studs spread at .625" (15.875 mm) C-C, Figure 3.
Figure 28. Main Earth Grounding
► Step 7. Connect Cabinet Outgoing Office Alarms
Make sure to look at the cabinet SD for outgoing equipment and cabinet alarms to the alarm terminal
block(s). The customer is responsible for outgoing alarms to a central office.
► Step 8. Connect Cabinet to Main Power Source, Turn-up
Depending on cabinet configuration, the customer shall provide 230 VAC and 120 VAC feeds to power
and run the following cabinet systems and equipment.
■ Power distribution and rectification system
■ Cabinet equipment connected to power system
— DC light, fuse panels, overvoltage protection units, fiber panels, and remote monitoring units
■ Cooling systems
— Thermosiphon and air conditioner
■ AC electrical outlet (GFCI)
Important:
■ A licensed electrician is to install all electrical connections conforming to NEC, state and local
codes. Properly ground all site equipment before any electrical connections.
■ AC feeds from an appropriate disconnect device to the cabinet must have surge protection and
dedicated breakers. The cabinet requires 230 VAC and 120 VAC single-phase power feeds.
■ For all cabinet power connections and feeds, refer to the cabinet schematic drawing (SD) and
equipment instruction manuals supplied with the cabinet.
Warning:
■ Maintain and adhere to all local and state AC utility wiring and safety precautions. Failure to follow
instruction can cause bodily harm, death, and equipment damage.
■ Properly ground the cabinet to site earth ground for reliable earth ground of rack mounted
equipment. Do not make any electrical connections prior to this.
■ The power requirements must not exceed the marked ratings on the GFCI outlet.
■ Disconnect all power prior to servicing.
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