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Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
Chapter 1 Cisco 12010, Cisco 12410, and Cisco 12810 Series Router Overview
Line Card and Route Processor Overview
The following LEDs on the front panel indicate traffic status and port selection
(
•
LINK, EN, TX, RX—Indicate link activity (LINK), port enabled (EN), data
transmission (TX), and data reception (RX).
•
PRIMARY—Indicates which Ethernet port is selected (ETH 0 or ETH 1).
Note
Because both ports are supported on the PRP, ETH 0 is always on. ETH 1
lights when it is selected.
Figure 1-15 Port Activity LEDs—Partial Front Panel
PRP Auxiliary and Console Ports
The auxiliary and console ports on the PRP are EIA/TIA-232 (also known as
RS-232) asynchronous serial ports connect external devices to monitor and
manage the system.
•
Auxiliary port—A (male) plug that provides a data terminal equipment
(DTE) interface. The auxiliary port supports flow control and is often used to
connect a modem, a channel service unit (CSU), or other optional equipment
for Telnet management.
•
Console port—A (female) receptacle that provides a data circuit-terminating
equipment (DCE) interface for connecting a console terminal.
RX
TX
PRIMARY
SLO
T-1
SLO
T-
0
LINK
EN
RX
TX
ETH 1
ETH 0
LINK
PRIMARY
EN
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Summary of Contents for 12010 series
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