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Dell PowerStore Hardware Information Guide for PowerStore 500T Model

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Base enclosure embedded modules and 4-port cards

About embedded modules

Each node contains one embedded module that can hold one 4-port card for front-end connectivity and internal communication between nodes and appliances. The first two ports of the 4-port card on the embedded module connect to a Top-of-Rack (ToR) switch. The second two ports are reserved for backend connectivity to an NVMe expansion enclosure.

The 4-port card is optional if the base enclosure is configured for block-optimized storage and is not part of a cluster.

NOTE:Both nodes must have the same type of embedded modules in the same slots.

The embedded module contains the following components:

  • One 4-port card (optional)
  • Two fixed 10GbE optical ports
  • Two RJ45 LAN connectors
    • System management port (System management port)
    • Service port (service port)
  • One USB port
  • One non-maskable interrupt (NMI) button
  • One mini-serial port (unused)
  • One micro DB9 serial port (service)
NOTE:The following figure shows the location of these components on the embedded module in node A. The locations of the components in node B are mirrored.
Figure 1. Embedded module rear view with component locations
Embedded module rear view with component locations
Table 1. Embedded module component locationsColumn one lists the locations, and column two provides descriptions.
Location Description
1 4-port card
2 RJ 45 LAN connector - system management port
3 Micro DB9 serial port (service)
4 Fixed 10GbE optical ports
5 Mini serial port (unused)
6 RJ45 LAN connector - service port
7 USB port
8 Non-maskable interrupt (NMI) button

About the 4-port card

The 4-port card is an optional 25GbE SFP-based component that is located within the embedded module. The 4-port card is required for connecting to NVMe expansion enclosures.

The 4-port 25GbE SFP based embedded module supports 10GbE or 25GbE SFP28, 25GbE passive TwinAx, and 10GbE active or passive TwinAx. The ports may be configured individually with TwinAx or any of the supported SFPs.

NOTE:25GbE SFPs only support 25GbE speeds.

Embedded module and 4-port card LED status

Figure 2. Embedded module LEDs
Embedded module LEDs
Table 2. Embedded module LEDsColumn one lists the LEDs, and the other columns provide the location, state, and description.
LED Location State Description
Unsafe to remove 1 White Do not remove the node. Improper removal could cause data loss.
Off Safe to remove the embedded module when the embedded module has been properly prepared.
Node power 2 Green Node is on (main power).
Green blinking Node is initializing a serial over LAN session.
Off Node is off.
Node fault 3 Amber Fault has occurred.
Blue Node in Degraded Mode.
Amber or blue blinking The system is booting.
Blue and amber alternating (green for 3 seconds) System not initialized. A management IP address has not been assigned.
Blue and amber alternating at one second intervals. Node in Service Mode.
Off No fault has occurred, normal operation.
4-port card port link 4 Green Link up with high speed.
Amber Link up with degraded speed.
Off Link down.
Ethernet port activity 5 Amber blinking Port activity.
Off No port activity.
Ethernet port link 6 Green Link established.
Off No link was established.
2-port card port link 7 Green Link up with high speed.
Amber Link up with degraded speed.
Off Link down.
Embedded module fault 8 Amber Embedded module has faulted.
Off No fault has occurred, normal operation.

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