Huawei AR500 Series Hardware Description page 639

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Functions and Features
Table 5-16
Table 5-16 Functions and features of the 8AS
Function and Feature
Asynchronous serial
interfaces
Basic function
Interface speed
Protocol
Indicators and Interfaces
Figure 5-15
states and meanings.
Figure 5-15 Indicators on an 8AS card
1
8AS
Table 5-17 8AS card indicator description
Number
1
Issue 10 (2019-03-06)
describes functions and features of the 8AS.
Specification
An 8AS card can provide access to a PSTN through a modem
or act as a serial port server.
An 8AS card can be used as a dialup access server for a small
or medium ISP. In this case, the asynchronous serial
interfaces provide the dial-up function.
An 8AS card can be used as a serial port server, through
which a user can log in to other devices.
Each asynchronous serial interface provides a maximum of
115.2 kbit/s transmission rate
l When working in protocol mode, an 8AS card supports
l When working in flow mode, an 8AS card does not
shows the indicators on an 8AS card, and
0 1 2 3
2
Indicator
STAT
Copyright © Huawei Technologies Co., Ltd.
the PPP protocol at the link layer and IP protocol at the
network layer.
support any link-layer protocol or IP protocol.
Table 5-17
4 5 6 7
Color Description
Green Slow blinking: The system is
running properly.
Fast blinking: The system is
powering on or restarting.
5 Cards
describes the indicator
628