User Guide

1-7
Cisco Global Site Selector 4490 Hardware Installation Guide
78-15755-02
Chapter 1 Introduction
Hardware Features
Input/Output Ports and Connectors
The Cisco Global Site Selector 4490 supports the following I/O connectors on the
back of the device:
• Ethernet connectors
• Console port connector
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.
Table 1-3 Back Panel LEDs
Indicator Color State Description
Ethernet 0 link Green On Indicates that the speed of the Ethernet LAN is
1000BASE-TX.
Off Indicates that the speed of the Ethernet LAN is
10BASE-T/100BASE-TX.
Ethernet 0 activity Green Blinking Indicates that there is an active link connection on
the 10/100/1000BASE-T interface for Ethernet
port 0.
Ethernet 1 link Green On Indicates that the speed of the Ethernet LAN is
1000BASE-TX.
Off Indicates that the speed of the Ethernet LAN is
10BASE-T/100BASE-TX.
Ethernet 1 activity Green Blinking Indicates that there is an active link connection on
the 10/100/1000BASE-T interface for Ethernet
port 1.
Power Green On Indicates that the GSS 4490 power is on.
System error Amber Blinking Indicates a memory or fan error.