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Installing the Cisco 1-, 2-, and 4-Port Serial Network Interface Modules for Cisco 4400 Series ISRs
Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote
Warning
risk of electric shock from lightning. Statement 1038
To report a gas leak, do not use a telephone in the vicinity of the leak. Statement 1039
Warning
Warning
Ultimate disposal of this product should be handled according to all national laws and regulations.
Statement 1040
Warning
When installing or replacing the unit, the ground connection must always be made first and
disconnected last. Statement 1046
The following warnings apply in Australia:
Before working on equipment that is connected to power lines, remove jewelry (including rings,
Warning
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
Because invisible laser radiation may be emitted from the aperture of the port when no fiber cable is
connected, avoid exposure to laser radiation and do not stare into open apertures. Statement 125
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network
Warning
voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Both
LAN and WAN ports may use RJ-45 connectors. Use caution when connecting cables. Statement 1021
Hazardous network voltages are present in WAN ports regardless of whether power to the router is
Warning
OFF or ON. To avoid electric shock, use caution when working near WAN ports. When detaching
cables, detach the end away from the router first. Statement 1026
Before opening the chassis, disconnect the telephone-network cables to avoid contact with
Warning
telephone-network voltages. Statement 1041
Warning
The telecommunications lines must be disconnected 1) before unplugging the main power connector
and/or 2) while the housing is open. Statement 1043
Recommended Practices for Cisco 1-, 2-, and 4-port Serial NIMs
Installing the Cisco Multiprotocol Synchronus Serial NIM
7
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