Vertiv™ NetSure™ External Distribution Box (EDB) Description and Installation Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
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11.6
Connecting Alarm and LVD (Low Voltage Disconnect) Cables
General
Refer to Figure 11.2 for alarm block locations. For alarm and LVD connections, refer to Figure 11.3, Figure 11.4, and Figure 11.5. For
connections to typical Vertiv™ Power Systems, refer to Figure 11.6, Figure 11.7, and Figure 11.8. Refer to the following procedure.
Procedure
1.
Verify that the enclosure is properly grounded.
2.
Determine the cabling route into the enclosure for your installation site. See also “Cable Routing” on page 20.
3.
Pull the alarm and LVD cables into the bottom of the enclosure through the provided grommets and route up through the
second level of grommets into the DC distribution chamber of the enclosure.
4.
Connect the alarm and LVD cables per Figure 11.3, Figure 11.4, or Figure 11.5.
5.
Secure the cables to the lace bar in the DC distribution chamber according to AT&T standards.
6.
Secure the cables to the tie bar provided in the cable entry chamber according to AT&T standards.
7.
After all cables are installed, refer to ”Sealing Enclosure Cable Entries” on page 33 and seal all cable grommets.
Figure 11.2 Alarm Block Locations
Front
Alarm Blocks
