Cisco PRP-2 Installation And Configuration Manual page 24

Checking the Installation
For AC-input power supplies, the green AC OK LED should go on. For DC-input power supplies, the
green input OK LED should go on. For both types of power supplies, the output fail LED should be off.
Step 2 Listen for the system blower modules or fan trays in the router; you should immediately hear them
operating. In a noisy environment, place your hand in front of the exhaust vents to verify that the blower
modules are operating.
During the PRP boot process, observe the PRP alphanumeric display LEDs, which are located at one end
Step 3
of the PRP, near the ejector lever. (See
The 4-digit displays show system messages and displays a sequence similar to that shown in
Figure 8
1
Upper (or left if horizontal) LED Display
Table 6
LED Display
MROM
nnnn
RP
RDY
ACTV
RP
STBY
RP
24
Figure
PRP Alphanumeric Display LEDs (Vertical View)
1
2
PRP Alphanumeric Display LED Sequences
Description
PRP microcode loads into MBus random-access memory (RAM); where nnnn
is the microcode version. For example, Microcode Version 1.17 displays as
1
0117.
The ROMMON for this PRP is enabled and recognized by the system.
Cisco IOS is enabled and this PRP is the active PRP.
Cisco IOS is enabled and this PRP is in standby mode.
8.)
2
Lower (or right if horizontal) LED Display
Table 6.
OL-17436-01