Huawei B311-221 - 4 System Structure and Scenario Constraints; System Architecture

HUAWEI B311-221 LTE CPE
Product Description
4 System Structure and Scenario Constraints
Issue02 (2019-08-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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4 System Structure and Scenario
Constraints
4.1 System Architecture
Figure 4-1 System structure
The following describes the modules shown in Figure 4-1.

LTE access function: The B311-221 adopts the LTE access technology at the WAN side.
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LAN access function: One 10/100/1000 Mbps high-speed Ethernet ports are provided at
the LAN side. The B311-221 provides the switching function for local networking and
sharing of the broadband network when it is connected to terminal devices.

AP function: An 802.11b/g/n-compliant WLAN AP interface is provided for wireless
networking at home. The interface is compliant with the IEEE 802.11b/g/n standard and
the WEP, WPA/WPA2-PSK, WPA2-PSK security authentication mechanisms.

DHCP/DNS: The DHCP server dynamically allocates IP addresses to PCs.
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Web-based management: You can configure the B311-221 and modify and view the
configuration of the B311-221.

IP routing protocol and NAT: The B311-221 has high-speed routing capability. With the
built-in NAT, the B311-221, together with LTE terminals, can provide flexible broadband
access solutions and networking schemes.