2-5
Cisco 2600 Series Routers Hardware Installation Guide
OL-2171-02
Chapter 2 Preparing to Install the Router
Preparing to Connect to a Network
Warning
The device is designed to work with TN power systems. To see translations of the warnings that
appear in this publication, refer to the
Regulatory Compliance and Safety Information
document
that accompanied this device.
Warning
The telecommunications lines must be disconnected 1) before unplugging the main power
connector and/or 2) while the housing is open. To see translations of the warnings that appear in
this publication, refer to the
Regulatory Compliance and Safety Information
document that
accompanied this device.
The router power supply includes the following features:
•
Autoselects either 110V or 220V operation.
•
All units include a 6-foot (1.8-meter) electrical power cord. (A label near the power cord indicates
the correct voltage, frequency, current draw, and power dissipation for the unit.)
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure
that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. (240 VAC, 10A international) is used
on the phase conductors (all current-carrying conductors). To see translations of the warnings
that appear in this publication, refer to the
Regulatory Compliance and Safety Information
document that accompanied this device.
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.
Network connection considerations are provided for several types of network interfaces and are
described in the following sections:
•
Ethernet Connections, page 2-5
•
Token Ring Connections, page 2-6
•
Serial Connections, page 2-7
•
ISDN BRI Connections, page 2-12
•
56K/Switched-56-kbps DSU/CSU Connections, page 2-13
Warning
The Ethernet 10BASE-T, Token Ring, console, and auxiliary ports contain safety extra-low voltage
(SELV) circuits. Avoid connecting SELV circuits to TNV circuits. To see translations of the
warnings that appear in this publication, refer to the
Regulatory Compliance and Safety
Information
document that accompanied this device.
Ethernet Connections
The IEEE has established Ethernet as standard IEEE 802.3. The most common Ethernet implementations
are as follows:
