MX2010 DC Power Distribution Module (-48 V) LEDs
Each DC PDM faceplate contains one bicolor LED for each of the nine –48 V input power feeds, indicating the correct or incorrect polarity connection of each feed. See Table 1. See Figure 1.
Figure 1: DC Power Distribution Module LEDs
Label |
Color |
State |
Description |
|---|---|---|---|
–48V=80A |
Green |
On |
RTN and –48V input feeds are connected. PDM is functioning normally. |
– |
Off |
RTN input feed is not connected or present. |
|
–48V input feed is not connected or present. |
|||
RTN and –48V input feeds are not connected. |
|||
Red |
On |
RTN or –48V input feeds may be reversed, feed live. |