3 Related DocumentationThe manuals relevant to the AR 18-3XE/18-21X Series Routers are listed in thefollowing table. You can obtain them from the accompanied CD or our Web site.Table 2 Related DocumentationManual DescriptionComwareV3 OperationManualIntroduces the basics, interfaces, and systemmanagement, and discusses the configuration of linklayer protocols, network layer protocols, routingprotocols, multicast protocols, VPN, MPLS, dial-up,voice, security policies, reliability policies, and QoSpolicies. It also lists the frequently used acronyms.ComwareV3 CommandManualProvides a detailed description of Comware V3commands. It is organized into the parts of gettingstarted, system management, interface, link layerprotocol, network protocol, routing protocol, multicastprotocol, security, VPN, reliability, QoS, MPLS anddial-up, as well as a command index.H3C AR18-3XE/18-21X SeriesRouters InstallationManualDetails the hardware specifications, installation,configuration, maintenance, and troubleshooting of H3CAR 18-3XE/18-21X Series Routers.Low-End andMid-Range SeriesRouters Cable ManualDescribes the cables for low-end and mid-range seriesrouters and the cable pinouts.This product has been designed to comply with the requirements on environmentalprotection. For the proper storage, use and disposal of this product, national laws andregulations must be observed.4 Technical SupportHangzhou H3C Technologies Co., Ltd. provides customers with comprehensivetechnical support and service. If you purchase the products from the sales agent ofHangzhou H3C Technologies Co., Ltd., please contact our sales agent or technicalpersonnel.Address: 310 Liuhe Road, Zhijiang Science Park,Hangzhou, Zhejiang Province, P. R. ChinaPostal Code: 3100533