
H3C AR 18-21/18-22 Routers 
Quick Start-V1.03 
1 Introduction 
 H3C AR 18-21 and AR 18-22 Routers, developed by Hangzhou H3C Technology 
Co., Ltd., are products for small office (Small Office Home Office, SOHO) 
applications. 
The AR 18-21/18-22 Routers come in two models, as shown in the following table. 
Table 1 Models of AR 18-21/18-22 Routers 
Model Description 
4 x 10/100 Mbps Layer 2 Ethernet ports (LAN) 
H3C AR 18-21 
H3C AR 18-22 
1 x 10/100 Mbps Ethernet ports (WAN) 
1 Console port 
4 x 10/100 Mbps Layer 2 Ethernet ports (LAN) 
2 x 10/100 Mbps Ethernet ports (WAN) 
1 Console port 
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2 Connection 
Figure 1 The AR 18-21/18-22 Routers connection diagram 
3 Related Documentation 
The manuals relevant to the AR 18-21/18-22 Routers are listed in the following table. 
You can obtain them from the accompanied CD or our Web site. 
Table 2 Related Documentation 
Manual Description 
Introduces the basics, interfaces, and system 
management , and discusses the configuration of link 
Comware V3  
Operation Manual 
layer protocols, network layer protocols, routing protocols, 
multicast protocols, VPN, MPLS, dial-up, voice, security 
policies, reliability policies, and QoS policies. It also lists 
the frequently used acronyms. 
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Manual Description 
Provides a detailed description of Comware V3 
Comware V3  
Command Manual 
H3C AR 
18-21/18-22 Routers  
Installation Manual 
Low-End and 
Mid-Range Series 
Routers Cable 
Manual 
This product has been designed to comply with the requir ements on environmental 
protection. For the proper storage, use and disposal of this product, national laws and 
regulations must be observed. 
commands. It is organized into the parts of getting started, 
system management, interface, link layer protocol, 
network protocol, routing protocol, multicast protocol, 
security, VPN, reliability, QoS, MPLS and dial-up, as well 
as a command index. 
Details the hardware specifications, installation, 
configuration, maintenance, and troubleshooting of H3C 
AR 18-21/18-22 Routers. 
Describes the cables for low-end and mid-range series 
routers and the cable pinouts. 
4 Technical Support 
Hangzhou H3C Technologies Co., Ltd. provides customers with comprehensive 
technical support and service. If you purchase the products from the sales a gent of 
Hangzhou H3C Technologies Co., Ltd., please contact our sales agent or technical 
personnel. 
Address: 310 Liuhe Road, Zhijiang Science Park, 
Hangzhou, Zhejiang Province, P. R. China  
Postal Code: 310053 
Website: http://www.h3c.com 
E-mail: customer_service@h3c.com 
BOM: 3122A04Y 
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