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S5700 Series Switches Hardware Description

This document provides an overall description of the S5700 hardware, helping you obtain detailed information about each chassis, card, power module, fan module, cable, and optical module.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
PBB-12AHA (12AH Lead-Acid Battery Charger Module)

PBB-12AHA (12AH Lead-Acid Battery Charger Module)

Product Support

Table 6-9 provides the product support for the PBB-12AHA lead-acid battery charger module.

Table 6-9 Product support for the PBB-12AHA lead-acid battery charger module

Module Name

Product Support

PBB-12AHA S5700-LI-BAT Series

Appearance

Figure 6-5 shows a PBB-12AHA lead-acid battery charger module.
Figure 6-5 PBB-12AHA lead-acid battery charger module

Function

Table 6-10 describes the functions of a PBB-12AHA lead-acid battery charger module.

Table 6-10 Functions of a PBB-12AHA lead-acid battery charger module

Function

Description

Connecting to an external lead-acid battery

The PBB-12AHA can be installed in the battery slot at the rear of an S5700-LI-BAT switch. It connects to a lead-acid battery to provide power redundancy.

The PBB-12AHA has a BAT port on the panel, which can connect to a lead-acid battery to supply power to the switch.

A switch can be powered on using a lead-acid battery charger module and a lead-acid battery. Install the lead-acid battery charger module in the switch, and then connect the lead-acid battery to the charger module.

Alarm reporting The PBB-12AHA module supports alarms about the lead-acid-battery, including low-power alarm, low-power clear alarm, and full-power alarm.

Protection

The BAT port can prevent the power cable connector from being reversely inserted.

Temperature compensation The PBB-12AHA has a sensor port on the panel, which can connect to a sensor for temperature compensation during charging of a lead-acid battery.

Charging

The PBB-12AHA can charge the lead-acid battery connected to it.

Hot swapping The PBB-12AHA is hot swappable.
The lead-acid battery (separately purchased) connected to the PBB-12AHA lead-acid battery charger module must meet the following requirements:
  • The input voltage is 12 V.
  • The rated capacity of the lead-acid battery is 12 ampere-hour.

Panel

Figure 6-6 shows the panel of a PBB-12AHA lead-acid battery charger module.
Figure 6-6 PBB-12AHA lead-acid battery charger module panel

1. Captive screw

2. Handle

3. Indicator

4. Lead-acid battery input port

NOTE:
Power cables of the lead-acid battery are connected to this port through a connector (delivered with the PBB-12AHA). You need to purchase power cables with a diameter of 14 AWG to 12 AWG.

5. Temperature sensor port

NOTE:
A lead-acid battery temperature sensor can connect to this port to monitor temperature of the lead-acid battery. The lead-acid battery temperature sensor can be purchased from Huawei if needed.
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Table 6-11 describes the indicator on a PBB-12AHA lead-acid battery charger module.

Table 6-11 Description of the indicator on a PBB-12AHA lead-acid battery charger module

Indicator

Color

Description

STATUS

Green

  • Off: No lead-acid battery is connected to the PBB-12AHA module.
  • Steady on: A lead-acid battery is connected to the PBB-12AHA module.

Specifications

Table 6-12 lists specifications of a PBB-12AHA lead-acid battery charger module.

Table 6-12 Specifications of a PBB-12AHA lead-acid battery charger module

Item

Description

Dimensions (H x W x D)

40 mm x 100 mm x 205 mm (1.6 in. x 3.9 in. x 8.1 in.)

Weight

0.48 kg (1.06 lb)

Charge voltage range

10.8 V DC to 13.8 V DC

Discharge voltage range

10.8 V DC to 13.6 V DC

Charge current

  • S5700-28P-LI-BAT: maximum value 1.25 A; typical value 1.0 A
  • S5700-28P-LI-24S-BAT: maximum value 2.0 A; typical value 1.8 A

Maximum discharge power

80 W; typical: 60 W

Part number

98010517
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Updated: 2019-08-19

Document ID: EDOC1000013597

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