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Servicing and Upgrading an IP4700
3
Light
Link control card fault
LAN link (10/100)
LAN activity (10/100)
LAN link (gigabit)
LAN data (gigabit)
Power supply active
Power supply fault
Cooling fault
Drive fan pack fault
IP4700 Installation and Service Guide
3-4
Table 3-2
Status LEDs Visible from the Back of the IP4700 (continued
Quantity
1 per link control
card
1 per port
1 per port
1 per SP
1 per SP
1 per supply
1 per supply
1 per supply
1 on fan pack
If the IP4700 enclosure fault LED is on, you should look at the other
fault LEDs to determine which CRU(s) are faulty, and replace them as
soon as possible.
If a CRU fails, the IP4700's high availability and write cache
capability is compromised until you replace the faulty CRU.
Color
Meaning
Amber
On when either the LCC or a FC-AL connection is faulty.
Green
On when there is a valid Ethernet connection.
Amber
Blinks during Ethernet activity.
Green
Solid when link is active and NIC is enabled.
Flashing slowly when NIC is disabled but firmware is loaded and
running.
Amber
With solid Link LED, indicates data activity on the NIC.
By itself, indicates fault condition with firmware halted.
Green
On when the power supply is operating.
Amber
On when the power supply is faulty or is not receiving ac line
voltage.
Amber
Flashing when multiple fans in the drive fan pack are faulty or
the drive fan pack is removed.
The IP4700 powers down the storage processors and disk
drives when the fault persists for more than about two minutes.
Yellow
On when a fan in the drive fan pack is faulty.
continued
continued)
continued
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