2-4
Cisco 7304 MSC and SPA Hardware Installation Guide
OL-4681-01
Chapter 2 Overview: Cisco 7304 Router Carrier Cards
MSC-100 Overview
LEDs
The MSC-100 has four LEDs, as shown in Figure 2-2.
Figure 2-2 MSC-100 Faceplate
MSC-100 LEDs are described in Table 2-2.
7304-MSC-100
STATUS
OIR
OIR-SUBSLOT 0 SPA
OIR-SUBSLOT 1 SPA
7304 SPA CARRIER
Table 2-2 MSC-100 LEDs
LED Label Color State Meaning
OIR-SUBSLOT 0
SPA
Green Offline The SPA in subslot 0 is offline and can be removed.
Off Online or
Offline
If the STATUS LED is green, the SPA in subslot 0 is online
and cannot be removed.
If the STATUS LED is off, the SPA in subslot 0 is offline.
OIR-SUBSLOT 1
SPA
Green Offline The SPA in Subslot 1 is offline and can be removed.
Off Online or
Offline
The SPA in subslot 1 is online and cannot be removed.
If the STATUS LED is off , the SPA in subslot 1 is offline.
OIR Green Offline The MSC-100 is offline and is ready to be removed.
Off Online or
Offline
The MSC-100 is online and should not be removed.
If the STATUS LED is off, the MSC is offline.
STATUS Off Off The MSC-100 is offline.
Yellow Powering
up or
powering
down
The MSC-100 is powering up or powering down.
Green On The MSC-100 is online.
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