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9 DI interface and DO interface
10 Ground point
NOTE
The router must be reliably grounded using a
ground cable to protect the router from
lightning and electromagnetic interference.
1
1
RESET button
NOTE
l
This button is used to reset the router.
l
Resetting the router will interrupt
services. Exercise caution when deciding
to press this button.
12 -
Indicator Description
shows the indicators on the AR550E router.
Figure 3-101
Indicators on the AR550E
CONSOLE
10
11
9
8
14
15
13
12
6
7
5
4
2
3
1
0
48V;5A
DI
PoE2
PoE1
DC2
DC1
12-48V;6A
GE/PoE+
GE
0
1
16
17
MGMT
Prelnput:
Prelnput:
RESET
SYS
USB
SYNC
PoE1
PoE2
DC1
DC2
10GE
2.5GE
2
3
4
5
6
8
1
9
7
Table 3-421
Description of indicators on the AR550E
Num
ber
Indicato
r/Button
Color
Description
1
SYS
Red and
green
Slow blinking green: The system is running properly.
Fast blinking green: The system is powering on or
restarting.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06)
Copyright © Huawei Technologies Co., Ltd.
520