1.1 Device Structure
shows the appearance of the R250D-E.
Figure 1-1
Appearance of the R250D-E
1
2
3
6 7
5
Pass Through GE0/PoE_IN
4
describes ports on the R250D-E.
Table 1-1
Interface description
No.
Name
Description
1
DC 48V
DC power socket: connects a 48 V power adapter to the
device.
2
USB
Connects to a USB flash drive or other storage devices to
extend the storage space of the device. The USB2.0
standard is supported.
3
Default
Reset button: restores factory settings and restarts the
device if you hold down the button more than 3 seconds.
4
Pass Through
Pass Through port: connects to a network cable or phone
cable for transparent transmission.
5
GE2 to GE4
10/100/1000M port: connects to the wired Ethernet.
6
GE1/
PoE_OUT
10/100/1000M port: connects to the wired Ethernet and
supports PoE output.
7
GE0/PoE_IN
10/100/1000M port: connects to the wired Ethernet and
supports PoE input.
R250D-E
Hardware Installation and Maintenance Guide
1 Product Overview
Issue 01 (2016-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2