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Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
OL-6425-03
Chapter 4 Power, Cable, and Antenna Connection Procedures
Connecting WAN and LAN Cables
Warning
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network
voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some
LAN and WAN ports both use RJ-45 connectors. Use caution when connecting cables.
Statement 1021
Warning
Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF
or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables,
detach the end away from the unit first.
Statement 1026
Warning
Do not use this product near water; for example, near a bath tub, wash bowl, kitchen sink or laundry
tub, in a wet basement, or near a swimming pool.
Statement 1035
Warning
Never install telephone jacks in wet locations unless the jack is specifically designed for
wet locations.
Statement 1036
Warning
Never touch uninsulated telephone wires or terminals unless the telephone line has been
disconnected at the network interface.
Statement 1037
Warning
To report a gas leak, do not use a telephone in the vicinity of the leak.
Statement 1039
Warning
Before opening the unit, disconnect the telephone-network cables to avoid contact with
telephone-network voltages.
Statement 1041
Warning
This equipment must be installed and maintained by service personnel as defined by AS/NZS 3260.
Incorrectly connecting this equipment to a general-purpose outlet could be hazardous. The
telecommunications lines must be disconnected 1) before unplugging the main power connector or 2)
while the housing is open, or both.
Statement 1043
Preparing to Connect to a Network
When setting up your router, consider distance limitations and potential electromagnetic interference
(EMI) as defined by the applicable local and international regulations.
See the network connection considerations for the following network interfaces:
•
Ethernet Connections
•
ISDN BRI Connections
See the following online documents for more information about network connections and interfaces:
•
Cisco Interface Cards Hardware Installation Guide
•
Cisco Modular Access Router Cable Specifications