11990-704/705/706/707 (2-Slot ATCA Shelf)
Power
22
R1.2, March 2018
8.2.3 DC PEM Indicators
The front panel includes a green and red status LED and a blue hot-swap LED.
Table 10: LEDs on DC PEM
8.2.4 Specification for the power connection cables
Required wire size:
Diameter AWG8
Suitable for 35 A at 55° C ambient temperature.
Required terminals:
Use two hole terminals.
Schroff part no. 21990-155 (4 pcs)
8.2.5 DC PEM Connector PIN Assignment
Color
Description
Status
Condition
Green
OK LED
Off
No Power to the PEM
Solid green
Normal Operation
Red
Solid red
Attention Status (error condition)
Blue
Hot Swap LED
Off
No Power to the PEM or not OK to extract PEM
Short blink
Preparing for extraction
Solid blue
Ready to remove
