Huawei NetEngine AR157 Fixed‑Interface ADSL2+ Enterprise Branch Router Full Product Description

1. Short Overview

Naming & Variant Breakdown

• AR157: Base wired‑only model, 1×ADSL2+ Annex A/M WAN, 4×FE multi‑purpose ports, no Wi‑Fi, no cellular, no voice ports, no expansion slots华为.
• AR157G‑HSPA+7: Adds built‑in WCDMA HSPA+ 3G cellular modem for wireless backup WAN.
• AR157VW: Integrated 2.4 GHz 802.11b/g/n Wi‑Fi plus 4×FXS +1×FXO voice ports for VoIP gateway function华为.
• AR151: Ethernet‑WAN sibling model without ADSL2+ interface.

Difference vs AR1200 modular series: AR157 is non‑modular with no SIC slots, optimized for DSL access scenarios. It is commercial office‑grade device, non‑industrial. Operating temperature 0 °C ~ +40 °C, no DIN‑rail mounting, no industrial DI/DO alarm terminals华为企业业....

Core Differentiators

1. Standard 19‑inch 1U metal chassis, supports rack‑mount or desktop placement, fan‑less silent natural‑cooling design.
2. Native ADSL2+ Annex A/M WAN interface, 4 configurable FE LAN/WAN ports, ideal for locations with DSL broadband infrastructure.
3. All‑in‑one multi‑service convergence: routing, switching, firewall, IPsec/GRE/L2TP VPN, QoS, lightweight AC managing up to 4 Huawei Fit APs.
4. Complete enterprise security suite including hardware encryption, AAA authentication and multi‑dimensional anti‑attack defense.
5. Diversified deployment modes: CLI console, Web‑UI, USB zero‑touch provisioning; supports batch configuration delivery and remote maintenance via eSight network management platform.

2. Hardware Interface & Physical Specifications

Core Hardware

• Processor: Dual‑core enterprise processor
• Memory: 512 MB DRAM; 512 MB Flash华为企业业...
• Cooling: Fan‑less natural convection cooling
• IMIX service throughput: Up to 100 Mbps华为
• Maximum recommended concurrent users: Up to 80 terminals

Fixed Interfaces

1. WAN
   • 1 × ADSL2+ Annex A/M WAN port (RJ11)
2. Ethernet
   • 4 × FE 10/100 M RJ45 multi‑purpose ports (configurable as LAN or WAN)
3. Management interfaces
   • 1 × RJ45 CON/AUX console port for local CLI debugging
   • 1 × USB 2.0 Type‑A host port for USB zero‑touch provisioning, configuration backup‑restore and firmware upgrade
4. Buttons: RESET button; short‑press for reboot; long‑press ≥5 s to restore factory default configuration
5. Power: External AC‑DC power adapter

Physical & Power Parameters

• Dimensions (H × W × D): 44.5 mm × 300 mm × 220 mm (1U height)华为
• Weight: approx 2.8 kg
• Power input: AC 100‑240 V, 50/60 Hz
• Max power consumption: 24 W华为企业业...
• Installation: Desktop placement or 19‑inch standard rack‑mount; DIN‑rail mounting is not supported
• Operating environment
  • Operating temperature: 0 °C ~ +40 °C
  • Storage temperature: −40 °C ~ +70 °C
  • Humidity: 5%‑90% non‑condensing
  • Altitude: < 5000 m
  • Protection rating: Ordinary office‑grade, non‑IP‑rated

3. Software Feature Suite (VRP V200R007 / V200R008 and later)

Routing & WAN Connectivity

• IPv4 / IPv6 dual‑stack routing: Static route, RIP, OSPF, policy‑based routing (PBR)
• WAN access: ADSL2+, PPPoE/PPPoA client; multi‑WAN link backup
• NAT: Static NAT, PAT, NAT server for branch internet access
• Layer‑2 features: 802.1Q VLAN, port isolation, STP/RSTP/MSTP

Integrated Security Features

• Zone‑based stateful firewall, ACL access‑control list
• VPN suite: IPsec site‑to‑site VPN, GRE VPN, L2TP client, DSVPN
• AAA authentication: Local user database, RADIUS, HWTACACS+, 802.1X, MAC authentication, Web authentication
• Application control: URL filtering, SAC application identification
• Anti‑attack functions: URPF, CPCAR, ARP anti‑attack, ICMP attack defense, DHCP Snooping

QoS & Wireless Controller

• QoS: Traffic policing, traffic shaping, queue scheduling (PQ, CBWFQ), DSCP priority mapping
• Built‑in lightweight AC: Manage up to 4 Huawei Fit APs, completes WLAN service configuration and AP lifecycle management

Management & O&M

• Local management: CLI via CON/AUX port, embedded Web‑UI
• Remote management: SSHv2, HTTPS, SNMPv1/v2c/v3, Syslog, NTP, NetConf, CWMP
• Centralized management: Batch configuration, real‑time status monitoring and remote firmware upgrade via eSight
• USB‑assisted zero‑touch deployment for mass branch roll‑out
• NQA network quality detection

4. Typical Deployment Scenarios

1. DSL‑based Small‑enterprise Branch Gateway: Deployed in small branch offices with ADSL broadband, provides internet access, VLAN division, firewall protection and IPsec VPN secure connection to enterprise headquarters.
2. Retail & Chain‑store Gateway for DSL Lines: Applied for small‑scale chain stores with ADSL access, supports USB zero‑touch fast deployment and unified remote O&M from headquarters.
3. Small‑size SME Egress Gateway: Acts as network egress for small‑and‑micro enterprises located in areas where ADSL broadband is the primary access option.
4. Remote Site Network Gateway: Suitable for remote offices using traditional telephone‑line‑based ADSL infrastructure.

5. Standard Package Contents of AR157

Separately‑Sold Optional Accessories

• RJ11 telephone line for ADSL connection
• Additional CAT5e Ethernet cables
• Huawei Fit AP access points (managed by built‑in AC function)

Software Licensing Information

Short Commercial Catalog Summary