Figure 18: Connecting A -48 Vdc Power Source - Alcatel-Lucent 7210 SAS-D Installation Manual

WARNING: If the power leads are plugged into the wrong holes, the power supply will not work
properly and may damage the switch.
7210 SAS-D Installation Guide
Connect the -48 VDC power feed using the -48 VDC input and RET (return)
Step 4
lines. Insert the wires into the DC input plug (using a small flat-tip
screwdriver). Color code the wiring according to local standards to ensure
that the input power and ground lines can be easily distinguished.
shows this step in greater detail:

Figure 18: Connecting a -48 VDC Power Source

Step 5 After the power source is tuned on, set the power button on the front of the
power supply module to the ON position (marked "— ').
Check the power LED as the switch is powered on to verify that the LED
Step 6
indicating external power status is on, and that the LED indicating internal
power conversion is on. If not, recheck the power source and power cable
connections at the supply source and at power supply module.
Installing the 7210 SAS-D
- 4 8 V
R T N
Return (Pin 2)
Figure 18
-48V (Pin 1)
7210SASdc_0015
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