IBM N7800, Hardware And Service Manual

Page: 50 / 182

Figure 7 shows the LED locations for your NVRAM6 adapter. There are two sets of
LEDs by each port that operate when you use NVRAM6 as an active/active or
high availability interconnect adapter. There is also an internal red LED that you
can see through the faceplate.
Interpreting the NVRAM6 adapter LEDs
Use the following table to interpret the LEDs for an NVRAM6 adapter.
Table 12. NVRAM6 LED descriptions
LED type Indicator Status Description
Internal Red Flashing There is valid data in the NVRAM6.
Attention: This might occur if your
system did not shut down properly, as in
the case of a power failure or panic. The
data is replayed when the system boots
up again.
PH1 Green On The physical connection is working.
Off No physical connection.
LO1 Yellow On The logical connection is working.
Off No logical connection.
NVRAM6 copper-fiber converter LEDs
The NVRAM6 copper-fiber converter enables you to use fiber cabling to cable your
systems in an active/active or high availability configuration.
Figure 8 on page 25 shows the LED locations for your NVRAM6 copper-fiber
converter.
L02 PH2
L01 PH1
n50hw019
Figure 7. NVRAM6 LED locations
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IBM System Storage: N7000 Series Hardware and Service Guide