Table 17.  XCC system management port LEDs
LED
Description
1  XCC system 
management port 
(1GB RJ-45) 
Ethernet port link 
LED
Use this green LED to distinguish the network connectivity status: 
•  Off: The network link is disconnected.
•  Green: The network link is established.
2  XCC system 
management port 
(1 GB RJ-45) 
Ethernet port 
activity LED
Use this green LED to distinguish the network activity status: 
•  Off: The server is disconnected from a LAN.
•  Green: The network is connected and active.
External diagnostics handset
The external diagnostics handset is an external device that is connected to the server with a cable, and it 
allows quick access to system information such as errors, system status, firmware, network, and health 
information. 
Location of the external diagnostics handset
Location  Callouts
The external diagnostics handset is connected to the 
server with an external cable.
1  External diagnostics handset
2  Magnetic bottom  
With this component, the diagnostic handset can be 
attached to the top or side of the rack with hands spared 
for service tasks.
3  External diagnostics connector  
This connector is located on the front of the server, and is 
used to connect an external diagnostics handset.
Note: When unplugging the external diagnostics handset, see the following instructions:  
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ThinkSystem SR850 V3 System Configuration Guide