When the PoE power supply is used, the ePico3801 needs to be configured with the power supply
equipment (PSE).
AC Power Supply
When the AC power supply is used, the ePico3801 needs to be configured with the AC/DC
power adapter, which converts the 110/220 V AC power supply to the 12 V DC power supply,
used by the ePico3801 as its working power supply. Figure 2-5 shows the AC/DC power adapter.
Figure 2-5 AC/DC power adapter
Table 2-3 describes the specifications and parameters of the AC/DC power adapter.
Table 2-3 Specifications and parameters of the AC/DC power adapter
Item
Specification
Input voltage 110/220 V AC (90 V AC to 264 V AC)
Frequency of the input voltage 47 Hz to 63 Hz
Output voltage 12 V DC (11.4 V DC to 12.6 V DC)
Output current
≤ 2.9 A
PoE Power Supply
When the PoE power supply is used, the ePico3801 needs to be configured with the PSE, which
powers the ePico3801 through the Ethernet cable. In this case, the AC/DC power adapter is not
required. Figure 2-6 shows the PSE.
2 Introduction to the ePico3801
ePico3801
User Guide
2-10 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 01 (2009–09–23)
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