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S12700 Series Agile Switches Hardware Installation and Maintenance Guide

This document describes hardware installation procedures of the S12700 series switches, troubleshooting methods for common hardware faults, and switch maintenance instructions.
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High-Voltage DC Power Supply

High-Voltage DC Power Supply

Power Supply Configuration Without Power Distribution Boxes

NOTE:

The 3000 W AC power module supports only 240 V high-voltage DC power input.

Table 5-11 lists the power modules applicable to the S12700 series switches and configurations of the power modules.
Table 5-11  Configurations of the power modules applicable to the S12700 series switches

Device Model

Maximum Power Consumption of Chassis

Power Module

Power Module Configuration

S12704

2550 W

3000 W AC power module

1+0, 1+1 (recommended), 2+0, 2+1, 2+2, 3+0, 3+1, 4+0

S12708

5234 W

3000 W AC power module

1+0, 1+1, 2+0, 2+1 (recommended), 2+2, 3+0, 3+1, 3+3, 4+0, 4+1, 5+0, 5+1, 6+0

S12710

4644 W

3000 W AC power module

1+0, 1+1, 2+0, 2+1 (recommended), 2+2, 3+0, 3+1, 4+0

S12712

6790 W

3000 W AC power module

1+0, 1+1, 2+0, 2+1, 2+2, 3+0, 3+1 (recommended), 3+3, 4+0, 4+1, 5+0, 5+1, 6+0

The following figures show the full configurations of power modules in a switch.

NOTE:

If more than one power module is installed in a switch, you can connect the power modules to the same power source or different power sources. It is recommended that you connect the power modules to different power sources to improve power reliability.

  • Figure 5-26 shows the 1+1 redundancy of system power modules in a switch.
    Figure 5-26  1+1 redundancy of power modules
  • Figure 5-27 shows the 2+2 redundancy of system power modules in a switch.
    Figure 5-27  2+2 redundancy of power modules
  • Figure 5-28 shows the 3+3 redundancy of power modules.
    Figure 5-28  3+3 redundancy of power modules
Table 5-12 describes the requirements for high-voltage DC power distribution.
Table 5-12  Requirements for high-voltage DC power distribution

Power Module

Power Cable Connector Type

Maximum Power Supply Distance

Number of Inputs

Circuit Breaker Rated Current

Output Terminal Type on Power Distribution Device

3000 W AC power module

C19 straight female

3 m

Equal to the number of power modules

≥ 16 A

  • C20 straight male connector: connected to a PDU
  • PI angle male connector: connected to a country-specific power strip
  • Cord end terminal: connected to a power distribution frame
  • For 3000 W AC power modules, select the power cables with the maximum current of larger than or equal to 16 A.
  • Each AC power module must be connected to an independent circuit breaker.

  • The current rating of the circuit breaker cannot be smaller than the maximum current allowed by the power cable.

NOTE:
  • Select appropriate power cables according to the power supply distances. The power supply distance is the cable length between the power distribution frame and power module.

  • A 3000 W AC power module provides a maximum output power of 3000 W when the input voltage is 220 V. When the input voltage is 110 V, the maximum output power reduces to 1500 W.

  • To use the N+N redundancy mode, equally divide the power modules into two groups and connect the two groups of power modules to two independent power supply systems. This configuration provides redundancy of power supply systems to enhance system reliability.

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Updated: 2019-05-15

Document ID: EDOC1000069460

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