Cisco WS-C3560X-48PF-S Hardware Installation Guide - Page 36
Do not work on the system or connect or disconnect cables during periods of lightning activity.
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Page 36 highlights
Preparing for Installation Chapter 2 Switch Installation Warning To prevent the switch from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of 113•F (45•C). To prevent airflow restriction, allow at least 3 inches (7.6 cm) of clearance around the ventilation openings. Statement 17B Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Statement 43 Warning Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury and equipment damage. Statement 48 Warning Ethernet cables must be shielded when used in a central office environment. Statement 171 Warning Voice over IP (VoIP) service and the emergency calling service do not function if power fails or is disrupted. After power is restored, you might have to reset or reconfigure equipment to regain access to VoIP and the emergency calling service. In the USA, this emergency number is 911. You need to be aware of the emergency number in your country. Statement 361 Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement 1001 Warning Read the installation instructions before connecting the system to the power source. Statement 1004 Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security. Statement 1017 Warning Use copper conductors only. Statement 1025 Warning This unit might have more than one power supply connection. All connections must be removed to de-energize the unit. Statement 1028 Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030 Catalyst 3750-X and 3560-X Switch Hardware Installation Guide 2-2 OL-19593-02
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