Huawei PDU8000 - Page 73

(1) Monitoring cable outlet
Step 7 (Optional) Connect the re linkage cables.
The customer can select a cable connection method based on the actual
requirement:
● Scenario 1: single-input or dual-input PDC; one pair of
re extinguishing input
cables control all loads to power o.
– Single-input PDC: Connect the positive and negative terminals of the re
control cable to the 24VDC(+) and 24VDC(-) wiring terminals at the rear
right of the cabinet respectively.
– Dual-input PDC: Connect the positive and negative terminals of the
re
control cable to the 24VDC(+) and 24VDC(-) wiring terminals at the rear
left or rear right of the cabinet respectively.
● Scenario 2: dual-input PDC; either of the two pairs of
re extinguishing input
cables can control all loads to power
o.
– Separate the two routes of re control cables and connect them to the
re extinguishing signal wiring terminals on both sides at the cabinet
rear. Connect the positive and negative terminals of each pair of control
cable to the 24VDC(+) and 24VDC(-) wiring terminals at the rear left and
rear right of the cabinet respectively.
NO TE
1. 24 V DC cables routed into the PDC should be shielded cables.
2. Ensure that the polarities of 24 V DC cables routed into the PDC are correct.
Figure 5-47 Connecting the re linkage cables (scenario 1)
PDU8000 Modular Precision PDC V2.0
User Manual 5 Installation Guide
Issue 04 (2021-04-13) Copyright © Huawei Technologies Co., Ltd. 66