Huawei AR500 Series Hardware Description page 644

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
l
Functions and Features
Table 5-22
Table 5-22 Functions and features of the 1LTE-L-H
Function and Feature
Basic functions
Issue 10 (2019-03-06)
Figure 5-18 LTE network access
Enterprise users
LTE link as a backup link
As shown in Figure 5-19, an enterprise's headquarters and branch networks connect to
the WAN through GE interface cards and connect to an LTE network through 1LTE-L-H
cards. The WAN link is the primary link, and the LTE link is the backup link. When the
primary link fails, service data is transmitted over the backup link. The use of 1LTE-L-H
cards improves communication reliability between the enterprise headquarters and
branch.
Figure 5-19 LTE link as a backup link
GE
Branch
1LTE Card
describes functions and features of the 1LTE-L-H card.
Copyright © Huawei Technologies Co., Ltd.
1LTE Card
Router
WAN
LTE
network
Description
Dials up to an LTE network to provide high-speed data
transmission.
Provides a backup link for a WAN link, to improve
communication reliability between an enterprise's
headquarters and branch networks.
5 Cards
LTE
network
GE
Headquarters
Primary link
Backup link
633