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S7700 and S9700 Series Switches Hardware Installation and Maintenance Guide

This document describes hardware installation procedures of the S7700 and S9700 series switches, troubleshooting methods for common hardware faults, and switch maintenance instructions.
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AC Power Supply

AC Power Supply

Power Supply Configuration Without Power Distribution Boxes

Table 5-11, Table 5-12 lists the power modules applicable to the S7700 series switches and configurations of the power modules.
Table 5-11  Configurations of the power modules applicable to the S7703, S7706 and S7712 switch

Device Model

Maximum Power Consumption of Chassis

Power Module

System Power Module Configuration

PoE Power Module Configuration

S7703

1000 W (without PoE power supply)

800 W AC power module

1+0, 1+1 (recommended)

1+0

2200 W AC power module

1+0, 1+1 (recommended)

1+0

3000 W AC power module

1+0, 1+1 (recommended)

1+0

S7706

2200 W (without PoE power supply)

800 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

2200 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

3000 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

S7712

4200 W (without PoE power supply)

800 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

2200 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

3000 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

Table 5-12  Configurations of the power modules applicable to the S7703 PoE and S7706 PoE switch

Device Model

Maximum Power Consumption of Chassis

Power Module

Power Module Configuration

S7703 PoE

1185 W (without PoE power supply)

800 W AC power module

1+0, 1+1, 2+0, 2+1, 3+0

2200 W AC power module

3000 W AC power module

S7706 PoE

2640 W (without PoE power supply)

800 W AC power module

1+0, 1+1, 2+0, 2+1, 2+2, 3+0, 3+1, 3+2, 3+3, 4+0, 4+1, 4+2, 4+3, 4+4, 5+0, 5+1, 6+0, 6+1, 7+0, 7+1, 8+0

2200 W AC power module

3000 W AC power module

Table 5-13 lists the power modules applicable to the S9700 series switches and configurations of the power modules.
Table 5-13  Configurations of the power modules applicable to the S9700 series switches

Device Model

Maximum Power Consumption of Chassis

Power Module

Power Module Configuration

S9703

1185 W

800 W AC power module

1+0, 1+1 (recommended)

2200 W AC power module

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

3000 W AC power module

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

S9706

2640 W

800 W AC power module

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

2200 W AC power module

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

3000 W AC power module

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

S9712

4906 W

800 W AC power module

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

2200 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

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

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.

  • If the PoE function is not required or supported, you do not need to configure PoE power modules or the matching power distribution boxes. Determine the number of PoE power modules according to your needs.

  • In versions earlier than V200R006C00, only 800 W and 2200 W AC power modules can be used as PoE power modules. In V200R006C00 and later versions, 2200 W DC power modules, 800 W AC power modules, and 2200 W AC power modules can all be used as PoE power modules. In V200R012C00 and later versions, 2200 W DC power modules, 800 W AC power modules, 2200 W AC power modules, and 3000 W AC power modules can all be used as PoE power modules.

  • The 3000 W AC power module can be used only on switches running V200R012C00 and later versions.

  • The S7703 PoE and S7706 PoE chassis do not have independent PoE power slots. They can provide PoE power after a power module is installed in a power slot and a PoE-supported card is installed. When the PoE function of a chassis is used, the sum of the PoE power and system power is the total output power of the chassis. You can run the display poe power and display power system commands to view the PoE power on interfaces and the system power of the chassis, respectively.

  • Figure 5-17 shows the 1+1 redundancy of system power modules and 1+0 configuration of PoE power module in a switch.
    Figure 5-17  1+1 redundancy of power modules
  • Figure 5-18 shows the 2+2 redundancy of system power modules and 2+2 configuration of PoE power module in a switch.
    Figure 5-18  2+2 redundancy of power modules
  • (Only for S9712) Figure 5-19 shows the 3+3 redundancy of power modules.
    Figure 5-19  3+3 redundancy of power modules
Table 5-14 describes the requirements for AC power distribution.
Table 5-14  Requirements for AC 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

800 W AC power module

C13 straight female

3 m

Equal to the number of power modules

≥ 5.5 A

AC socket complying with the local standard. To use OT terminals or cord end terminals, make power cables onsite.

2200 W AC power module

C19 straight female

3 m

Equal to the number of power modules

≥ 16 A

AC socket complying with the local standard. To use OT terminals or cord end terminals, make power cables onsite.

3000 W AC power module

C19 straight female

3 m

Equal to the number of power modules

≥ 16 A

AC socket complying with the local standard. To use OT terminals or cord end terminals, make power cables onsite.

  • For 800 W power modules, select the power cables with the maximum current of larger than or equal to 10 A. For 2200 W or 3000 W power modules, select the power cables with the maximum current of larger than or equal to 16 A.

  • The power cable used by the 3000 W AC power module allows maximum current of 16 A. When the power module uses 220 V power input, the minimum voltage cannot be lower than 200 V. When the power module uses 110 V power input, the minimum voltage cannot be lower than 100 V.

  • 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:
  • When using 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.
  • Select appropriate power cables according to the power supply distances. If the required power supply distance exceeds the maximum power supply distance, use power distribution boxes. The power supply distance is the cable length between the power distribution frame and power module.

  • An 800 W AC power module provides a maximum output power of 800 W when the input voltage is 220 V. When the input voltage is 110 V, the maximum output power reduces to 400 W.

  • A 2200 W AC power module provides a maximum output power of 2200 W when the input voltage is 220 V. When the input voltage is 110 V, the maximum output power reduces to 1100 W.

  • 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.

  • An 800 W power module may not provide sufficient power for a chassis if the input voltage is 110 V. In this case, use a 2200 W or 3000 W AC power module as the system power module.

Power Supply Configuration with Power Distribution Boxes

Table 5-15, Table 5-16 lists the power modules applicable to the S7700 series switches and configurations of the power modules.
Table 5-15  Configurations of the power modules applicable to the S7703, S7706 and S7712 switch

Device Model

Maximum Power Consumption of Chassis

Power Distribution Box

Power Module

System Power Module Configuration

PoE Power Module Configuration

S7703

1000 W (without PoE power supply)

800 W AC power distribution box

800 W AC power module

1+0, 1+1 (recommended)

1+0

2200 W AC power distribution box

2200 W AC power module

1+0, 1+1 (recommended)

1+0

2200 W AC power distribution box

3000 W AC power module

1+0, 1+1 (recommended)

1+0

S7706

2200 W (without PoE power supply)

800 W AC power distribution box

800 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

2200 W AC power distribution box

2200 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

2200 W AC power distribution box

3000 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

S7712

4200 W (without PoE power supply)

800 W AC power distribution box

800 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

2200 W AC power distribution box

2200 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

2200 W AC power distribution box

3000 W AC power module

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

1+0, 1+1, 2+0, 2+2, 3+0, 3+1, 4+0

Table 5-16  Configurations of the power modules applicable to the S7703 PoE and S7706 PoE switch

Device Model

Maximum Power Consumption of Chassis

Power Distribution Box

Power Module

Power Module Configuration

S7703 PoE

1185 W (without PoE power supply)

800 W AC power distribution box

800 W AC power module

1+0, 1+1, 2+0, 2+1, 3+0

2200 W AC power distribution box

2200 W AC power module

2200 W AC power distribution box

3000 W AC power module

S7706 PoE

2640 W (without PoE power supply)

800 W AC power distribution box

800 W AC power module

1+0, 1+1, 2+0, 2+1, 2+2, 3+0, 3+1, 3+2, 3+3, 4+0, 4+1, 4+2, 4+3, 4+4, 5+0, 5+1, 6+0, 6+1, 7+0, 7+1, 8+0

2200 W AC power distribution box

2200 W AC power module

2200 W AC power distribution box

3000 W AC power module

Table 5-17 lists the power modules applicable to the S9700 series switches and configurations of the power modules.
Table 5-17  Configurations of the power modules applicable to the S9700 series switches

Device Model

Maximum Power Consumption of Chassis

Power Distribution Box

Power Module

Power Module Configuration

S9703

1185 W

800 W AC power distribution box

800 W AC power module

1+0, 1+1 (recommended)

2200 W AC power distribution box

2200 W AC power module

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

2200 W AC power distribution box

3000 W AC power module

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

S9706

2640 W

800 W AC power distribution box

800 W AC power module

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

2200 W AC power distribution box

2200 W AC power module

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

2200 W AC power distribution box

3000 W AC power module

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

S9712

4906 W

800 W AC power distribution box

800 W AC power module

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

2200 W AC power distribution box

2200 W AC power module

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

2200 W AC power distribution box

3000 W AC power module

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

  • If the PoE function is not required or supported, you do not need to configure PoE power modules or the matching power distribution boxes. Determine the number of PoE power modules according to your needs.
  • In versions earlier than V200R006C00, only 800 W and 2200 W AC power modules can be used as PoE power modules. In V200R006C00 and later versions, 2200 W DC power modules, 800 W AC power modules, and 2200 W AC power modules can all be used as PoE power modules. In V200R012C00 and later versions, 2200 W DC power modules, 800 W AC power modules, 2200 W AC power modules, and 3000 W AC power modules can all be used as PoE power modules.
  • The 3000 W AC power module can be used only on switches running V200R012C00 and later versions.

  • The S7703 PoE and S7706 PoE chassis do not have independent PoE power slots. They can provide PoE power after a power module is installed in a power slot and a PoE-supported card is installed. When the PoE function of a chassis is used, the sum of the PoE power and system power is the total output power of the chassis. You can run the display poe power and display power system commands to view the PoE power on interfaces and the system power of the chassis, respectively.

  • Figure 5-20 shows the power distribution system with 800 W AC power distribution boxes, 1+1 redundancy of system power modules connected to different power sources, and 1+0 configuration of PoE power module.
    Figure 5-20  800 W AC power distribution boxes, 1+1 redundancy of system power modules, and 1+0 configuration of PoE power module (different power sources)
  • Figure 5-21 shows the power distribution system with an 800 W AC power distribution box, 1+1 redundancy of system power modules connected to the same power source, and 1+0 configuration of PoE power module.

    Figure 5-21  800 W AC power distribution box, 1+1 redundancy of system power modules, and 1+0 configuration of PoE power module (same power source)
  • Figure 5-22 shows the power distribution system with 2200 W AC power distribution boxes, 1+1 redundancy of system power modules connected to different power sources, and 1+0 configuration of PoE power module.
    Figure 5-22  2200 W AC power distribution boxes, 1+1 redundancy of system power modules, and 1+0 configuration of PoE power module (different power sources)
  • Figure 5-23 shows the power distribution system with 2200 W AC power distribution boxes, 1+1 redundancy of system power modules connected to the same power source, and 1+0 configuration of PoE power module.
    Figure 5-23  2200 W AC power distribution box, 1+1 redundancy of system power modules, and 1+0 configuration of PoE power module (same power source)
  • Figure 5-24 shows the power distribution system with 800 W AC power distribution boxes, 2+2 redundancy of system power modules connected to different power sources, and 2+2 redundancy of PoE power modules.
    Figure 5-24  800 W AC power distribution boxes, 2+2 redundancy configuration of system power modules, and 2+2 redundancy of PoE power modules (different power sources)
  • Figure 5-25 shows the power distribution system with an 800 W AC power distribution box, 2+2 redundancy of system power modules connected to the same power source, and 2+2 redundancy of PoE power modules.

    Figure 5-25  800 W AC power distribution box, 2+2 redundancy of system power modules, and 2+2 redundancy of PoE power modules (same power source)
  • Figure 5-26 shows the power distribution system with 2200 W AC power distribution boxes, 2+2 redundancy of system power modules connected to different power sources, and 2+2 redundancy of PoE power modules.
    Figure 5-26  2200 W AC power distribution boxes, 2+2 redundancy of system power modules, and 2+2 redundancy of PoE power modules (different power sources)
  • Figure 5-27 shows the power distribution system with 800 W AC power distribution boxes and 3+3 redundancy of AC power modules.
    Figure 5-27  800 W AC power distribution boxes and 3+3 redundancy of AC power modules
  • (Only for S9712)
    Figure 5-28 shows the power distribution system with 2200 W AC power distribution boxes and 3+3 redundancy of AC power modules.
    Figure 5-28  2200 W AC power distribution boxes and 3+3 redundancy of AC power modules
Generally, the internal power cables between power distribution boxes and cabinets are installed beforehand. The external power cables between power distribution boxes and power distribution frames need to be installed onsite. Table 5-18 describes requirements for external power cables.
Table 5-18  Requirements for external power cables

Power Module

Power Cable Cross-Sectional Area

Maximum Power Supply Distance

Circuit Breaker Rated Current

Number of Inputs

Output Terminal Type on Power Distribution Device

800 W AC power module

6 mm2

25 m

If the total load attached to the power distribution box is smaller than 6500 W, circuit breakers with current rating of 40 A are recommended.

Determined by the power capacity of each line in the equipment room and number of power modules used in the switch.

Each 800 W AC power distribution box requires one power input and provides eight power outputs.

OT terminals or cord end terminals. To use other types of terminals, purchase the terminals and prepare cables onsite.

16 mm2

40 m

800 W AC power module

16 mm2

25 m

If the total load attached to the power distribution box is larger than or equal to 6500 W, circuit breakers with current rating of 80 A are recommended.

Determined by the power capacity of each line in the equipment room and number of power modules used in the switch.

Each 800 W AC power distribution box requires one power input and provides eight power outputs.

OT terminals or cord end terminals. To use other types of terminals, purchase the terminals and prepare cables onsite.

2200 W AC power module

6 mm2

N/A

≥ 16 A or 32 A

Determined by the power capacity of each line in the equipment room and number of power modules used in the switch. Each 2200 W AC power distribution box requires four power input lines when it is fully loaded.

OT terminals or cord end terminals. To use other types of terminals, purchase the terminals and prepare cables onsite.

3000 W AC power module

6 mm2

N/A

≥ 16 A or 32 A

Determined by the power capacity of each line in the equipment room and number of power modules used in the switch. Each 2200 W AC power distribution box requires four power input lines when it is fully loaded.

OT terminals or cord end terminals. To use other types of terminals, purchase the terminals and prepare cables onsite.

  • 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.

  • The power cable used by the 3000 W AC power module allows maximum current of 16 A. When the power module uses 220 V power input, the minimum voltage cannot be lower than 200 V. When the power module uses 110 V power input, the minimum voltage cannot be lower than 100 V.

NOTE:
  • When using 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.
  • An 800 W AC power module provides a maximum output power of 800 W when the input voltage is 220 V. When the input voltage is 110 V, the maximum output power reduces to 400 W.

  • A 2200 W AC power module provides a maximum output power of 2200 W when the input voltage is 220 V. When the input voltage is 110 V, the maximum output power reduces to 1100 W.

  • 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.

  • An 800 W power module may not provide sufficient power for a chassis if the input voltage is 110 V. In this case, use a 2200 W or 3000 W AC power module as the system power module.

Use of an 800 W AC Power Distribution Box
Figure 5-29 shows how an 800 W AC power distribution box is connected to system power modules in an S7706 chassis when the power modules work in 1+1 redundancy and require inputs from different power sources.
Figure 5-29  Use of an 800 W AC power distribution box for 1+1 redundancy of power modules in an S7706 chassis
Use of a 2200 W AC Power Distribution Box
Figure 5-30 shows how a 2200 W AC power distribution box is connected to power modules in an S7706 chassis when the power modules work in 1+1 redundancy and require inputs from different power sources.
Figure 5-30  Use of a 2200 W AC power distribution box for 1+1 redundancy of power modules in an S7706 chassis
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Updated: 2019-05-15

Document ID: EDOC1000069522

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