Dell PowerVault MD3660i Owner's Manual - Page 19

Host Channel LED Link Rate Indications, SFP Transceivers Fibre Optic And SAS Cables, FC IN port 1

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Item Indicator, Button, or Icon Connector 5 Cache active or cache offload indicator 6 System identification indicator 7 Controller fault indicator 8 Controller power indicator 9 SAS OUT port 10 FC IN port 0 FC IN port 1 FC IN port 2 FC IN port 3 Description The cache active or cache offload indicator lights green when onboard controller memory contains data. If AC power fails, this LED changes to indicate cache offload status. If the password reset function has successfully changed the password, this LED flashes on and off briefly. The system identification indicator blinks blue when system identification switch push-button on the enclosure front panel is pressed. The controller fault indicator lights amber when controller fault is detected. The controller power indicator lights green when controller power is on. Provides SAS connection for cabling to a downchain expansion enclosure. Provides host-to-controller FC connection. Host Channel LED Link Rate Indications Below each FC port is a pair of LED indicators. The status of any FC port can be determined by applying the condition of each LED pair. Table 1. LED Status Indicators LED 1 LED 0 Port Status Off Off Link down Off On 2 Gbps link On Off 4 Gbps link On On 8 Gbps link SFP Transceivers Fibre Optic And SAS Cables NOTE: Your small form-factor pluggable (SFP) transceivers and cables may look different from the ones shown below. The differences do not affect the performance of the SFP transceivers. FC host connections may operate at 8 Gbps or at a lower data rate. Ports for 8 Gbps Fibre Channel host connections require SFP transceivers designed for this data rate. SFP transceivers that support other data rates are incompatible. WARNING: Do not disassemble or remove any part of a SFP transceiver due to the possibility of being exposed to Laser radiation. 19

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Item
Indicator, Button, or
Connector
Icon
Description
5
Cache active or cache
offload indicator
The cache active or cache offload indicator lights green when on-
board controller memory contains data.
If AC power fails, this LED changes to indicate cache offload
status.
If the password reset function has successfully changed the
password, this LED flashes on and off briefly.
6
System identification
indicator
The system identification indicator blinks blue when system
identification switch push-button on the enclosure front panel is
pressed.
7
Controller fault indicator
The controller fault indicator lights amber when controller fault is
detected.
8
Controller power indicator
The controller power indicator lights green when controller power
is on.
9
SAS OUT port
Provides SAS connection for cabling to a downchain expansion
enclosure.
10
FC IN port 0
FC IN port 1
FC IN port 2
FC IN port 3
Provides host-to-controller FC connection.
Host Channel LED Link Rate Indications
Below each FC port is a pair of LED indicators. The status of any FC port can be determined by applying the condition of
each LED pair.
Table 1. LED Status Indicators
LED 1
LED 0
Port Status
Off
Off
Link down
Off
On
2 Gbps link
On
Off
4 Gbps link
On
On
8 Gbps link
SFP Transceivers Fibre Optic And SAS Cables
NOTE:
Your small form-factor pluggable (SFP) transceivers and cables may look different from the ones shown
below. The differences do not affect the performance of the SFP transceivers.
FC host connections may operate at 8 Gbps or at a lower data rate. Ports for 8 Gbps Fibre Channel host connections
require SFP transceivers designed for this data rate. SFP transceivers that support other data rates are incompatible.
WARNING: Do not disassemble or remove any part of a SFP transceiver due to the possibility of being exposed to
Laser radiation.
19