System component description
VNX5700 Hardware Information Guide 25
VNX5700 rear view
On the rear, viewing from top to bottom, a Block and File (Unified) VNX5700 platform 
includes the following hardware components:
◆ One to two Control Stations
◆ One Data Mover enclosure with two, three, or four Data Movers
◆ One SPE with two storage processors (SPs), each SP (A and B) having one CPU module 
and one power supply module
◆ One dual 1U SPS or one dual 2U SPS
Table 10  Control Station LEDs
LED Color State Description
System status/boot 
(location 2)
Green On Power on/system loaded and 
ready
Blinking Booting up
1
 or system degraded
Amber On Critical, non-recoverable error; 
system has failed due to:
• Themtrip asserted
• IERR asserted
• Non-recoverable temperature 
threshold asserted.
• Non-recoverable voltage 
asserted.
• Power fault/Power control 
failure
Blinking Non-fatal alarm; system is likely 
to fail due to:
• Critical temperature threshold 
asserted.
• Critical voltage threshold 
asserted.
• Critical fan threshold 
asserted.
—Off Power off
System power/sleep or 
standby (location 3)
Green On Power on
Blinking Sleep (standby)
—Off Power off
Internal hard drive activity 
(location 4)
Green Blinking Hard drive access
— Off No hard drive activity
Onboard (integrated) 
Ethernet NIC 1 and 2 
(locations 5 and 6, 
respectively)
Green On NIC link/no access
Blinking NIC link/LAN access
1. The system status LED flashes green while booting up.