48 EMC VNXe3100 Hardware Information Guide
Overview
Table 23 describes the 2U, 25 (2.5-inch) DAE power supply/cooling module LEDs.
The power supply/cooling modules are located to the left and right of the LCCs. The units
integrate independent power supply and dual-blower cooling assemblies into a single
module.
Each power supply is an auto-ranging, power-factor-corrected, multi-output, offline
converter with its own line cord. Each supply supports a fully configured DAE and shares
load currents with the other supply. The drives and LCCs have individual soft-start
switches that protect the disk drives and LCCs if they are installed while the disk enclosure
is powered up. The enclosure cooling system includes two dual-blower modules.
2U, 25 (2.5-inch) DAE LCC input/output ports and connectors
The 2U, 25 (2.5-inch) DAE LCC supports the following I/O ports on the rear:
◆ Two 6-Gb/s PCI Gen 2 SAS ports
◆ One management (RJ-12) connector to the SPS (not used)
6-Gb/s SAS x4 ports
The DAE LCC supports two (one input and one output) 6-Gb/s SAS x4 ports (labeled 6Gb
SAS x4) on the rear of each LCC (A and B). This port provides an interface for SAS and
NL-SAS drives on the DAE. This port is a 26-circuit SAS small form-factor 8088 (SFF-8088)
specification (socket or receptacle) using an SFF-8088 specification mini-SAS 26-circuit
cable (plug) with a pull tab.
Figure 33 shows an example of the port connector (socket) and cable connector (plug)
with pull tab.
Figure 33 6-Gb/s SAS port and cable connector
Note: Each SAS cable is keyed with an
in
and
out
connection to prevent incorrect cabling.
Table 23 2U, 25 (2.5-inch) DAE AC power supply/cooling module LEDs
Led Color State Description
Power fault Amber On Fault
Blinking During power shutdown and during overvoltage
(OVP) and undervoltage protection (UVP) fault
— Off No fault or power off
Power on Green On Power on
—OffPower off
Pin A1 A13
B1 B13
VNX-000094
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