Nortel Networks 1750 用户手册
Chapter 1 Cables and power 27
Nortel VPN Router Installation — VPN Router 1750
LEDs on the system 10/100BASE-TX Ethernet ports
Each of the 10/100BASE-TX Ethernet ports on the rear of the VPN Router 1750
has two LEDs; see
has two LEDs; see
.
Figure 3 LEDs on the system 10/100BASE-TX Ethernet ports
The following table describes the LEDs on the system 10/100BASE-TX Ethernet
ports.
ports.
Table 4 LED indicators on the system 10/100BASE-TX Ethernet ports
LED
Indicator
Description
Green
On
The LAN port operates at 100 Megabits per second
(Mb/s).
(Mb/s).
Off
The LAN port operates at 10 Mb/s.
Yellow
On
The cable connections between the LAN port and the
hub are good.
hub are good.
Off
The cable connections between the LAN port and the
hub are faulty.
hub are faulty.
Flashing
The LAN port is sending or receiving network data.
The frequency of the flashes increases with
increased traffic.
The frequency of the flashes increases with
increased traffic.
CS260011A
Green
Yellow