Cisco XR 12404 - Manual (Page 22)

Chapter 1 Cisco XR 12404 Router Overview
Route Processor
1-8
Cisco XR 12404 Router Installation Guide
OL-13830-02
• 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 1-5 PRP-2 Port Activity LEDs—Partial Front Panel
Figure 1-6 PRP-3 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. These ports connect external devices to
monitor and manage the system.
RX
TX
PRIMARY
SLO
T-1
SLO
T-0
LINK
EN
RX
TX
ETH 1 ETH 0
LINK PRIMARY
EN
70693
ACT SIG ACT SIG
BITS 0
DA
TA
LINK DATA LINK
ETH 1 ETH 0
272388
BITS 1 AUX CONSOLE
todd.book Page 8 Monday, March 16, 2009 2:47 PM