Cisco WS-C1912-A Hardware Installation Guide - Page 50

Safety Warnings Chapter 4 Installing and Connecting the Router If you need to remove or upgrade either of these items, follow the procedures given in Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs. Plug-In Modules The following components plug into the router chassis: • WAN interface cards (WICs) • Voice/WAN interface cards (VWICs), data mode only • High-speed WICs (HWICs) • Enhanced High-speed WICs (EHWICs) • Compact Flash memory card If you need to remove or install WICs, VWICs, HWICs, or EHWICs follow the procedures in the Installing Cisco Interface Cards in Cisco Access Routers. If you need to remove or upgrade the Compact Flash memory card (1940 series only), follow the procedure in Installing and Upgrading Internal Modules and FRUs in Cisco 1900 Series ISRs. Safety Warnings Note To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information for Cisco 1900 Series Routers document that accompanies your router. Warning IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device. Statement 1071 SAVE THESE INSTRUCTIONS Warning No user-serviceable parts inside. Do not open. Statement 1073 Warning Read the installation instructions before you connect the system to its power source. Statement 1004 Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030 Cisco 1900 Series Hardware Installation 4-2 OL-19084-02