Huawei AR500 Series Hardware Description page 110

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Numbe
r
8
9
Interface Description
RS232 interface
The RS232 interface can be connected to a data terminal for data transmission or to a console
for onsite configuration.
Table 3-19 RS232 interface attributes
Attribute
Connector type
Standards compliance
Working mode
Data equipment type
Issue 10 (2019-03-06)
Indicator/ Color
Button
RSSI Green
NOTE
There are
three RSSI
indicators
arranged
vertically on
the panel,
which turn
on in
sequence.
More RSSI
indicators in
steady on
state indicate
a larger
received
signal
strength
indicator
(RSSI) value
and higher
signal
strength.
GE electrical Green
interface
indicators
(GE0 to
GE1)
Table 3-19 lists RS232 interface attributes.
Copyright © Huawei Technologies Co., Ltd.
Description
One indicator on: The signal strength is low.
Two indicators on: The signal strength is
medium.
Three indicators on: The signal strength is high.
Three indicators off: No signal is available.
Steady on: A link has been established on the
corresponding GE interface.
Blinking: Data is being transmitted over the
link.
Off: No link is established or no data is being
transmitted on the link.
Description
DB9 Female
RS232
Full-duplex Universal Asynchronous
Receiver/Transmitter (UART)
Data circuit-terminating equipment (DCE)
3 Chassis
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