![Cisco 2600 Series Hardware Installation Manual Download Page 66](http://html.mh-extra.com/html/cisco/2600-series/2600-series_hardware-installation-manual_64789066.webp)
A-6
Cisco 2600 Series Routers Hardware Installation Guide
OL-2171-02
Appendix A Troubleshooting the Router
Reading the LEDs
Figure A-6
Cisco 2651—Rear-Panel LEDs
Table A-3
Cisco 261x, Cisco 262x, Cisco 26xxXM, and Cisco 265x Series Routers—Rear-Panel LED
Descriptions
LED
Description
LINK
When on, a link has been established with the hub or switch at the
other end of the cable.
ACT
Packets are being transmitted or received on the Ethernet interface.
FDX
When on, the interface is in full-duplex mode. When off, the
interface is in half-duplex mode.
100 Mbps
When on, the speed of the interface is 100 Mbps. When off, the speed
of the interface is 10 Mbps.
31620
SEE MANUAL BEFORE INSTALLATION
SERIAL 1
SERIAL 0
CONN
CONN
WIC
2A/S
SEE MANUAL BEFORE INSTALLATION
SERIAL 1
SERIAL 0
CONN
CONN
WIC
2A/S
Cisco 2651
W0
W1
AUX
CONSOLE
10/100 ETHERNET 0/0
10/100 ETHERNET 0/1
10/100BASE-T
Ethernet 0/0
(RJ-45)
10/100BASE-T
Ethernet 0/1
(RJ-45)
Auxiliary
port (RJ-45)
Console
port (RJ-45)
FDX
LED
FDX
LED
Link
FDX
FDX
Link
LED
100 Mbps
100 Mbps
LED
Link
Link
LED
100 Mbps
100 Mbps
LED