Introduction, Overview, Led indicators – HP NC523SFP 10Gb 2-port Server Adapter User Manual
Page 6: Overview led indicators

Introduction 6
Introduction
Overview
The HP NC523SFP 10Gb 2-port Ethernet Server Adapter is a dual port PCI Express (PCIe) 10 Gigabit
ProLiant Ethernet adapter. The network connection is made through two 10Gbps Ethernet SFP+ ports.
In addition to standard HP network server adapter features, the NC523SFP is capable of supporting
teaming for load balancing and failover, TCP checksum and segmentation (LSO) offload capability, VLAN
tagging, jumbo frames, IPv6, and other features. The NC523SFP can be installed in either standard or
low profile slots.
For more information about the HP NC523SFP 10Gb 2-port Ethernet Server Adapter, see the HP website
LED indicators
The NC523SFP adapter has two ports with LED indicators for Link (L) and Activity (A) for each port.
Standard-height bracket is shown below with the SFP+ ports and LED indicators.
The NC523SFP 10 Gigabit Server Adapter LED indicators operate as described in the following table.
Item
LED indicator
Status
Description
1
Activity
Off
Indicates no network activity on the link.
Flashing (Green) Indicates network activity on the link. The adapter is
sending or receiving network data at up to 10 Gbps.
2
Link
Off
No link to the adapter is established. The adapter is not
receiving power or the cable connection is faulty.
On (Yellow)
Link to the adapter is established. The adapter is receiving