SMC Networks SMC TigerAccess SMC7824M/ESW - Manual (Page 50)

I
NSTALLING THE
S
WITCH
3-12
Figure 3-7 DC Plug Connections
7. Push each wire about half an inch into the opening on the plug, and
tighten down the clamp screw securely. You should not be able to pull
on the wire and dislodge it.
8. Insert the power plug in the power receptacle on the left side of the
front panel.
9. At the power source, turn on the power for the feed lines or power
bus.
10. After the power source is tuned on, set the power button on the front
of the power conversion module to the ON position (marked “–”).
11. Check the indicators on the power conversion module as the switch is
powered on to verify that the -48V LED indicating external power
status is on, and that the +12V LED indicating internal power
conversion is on. If not, recheck the power supply and power cable
connections at the supply source and at power conversion module.
12. If you have installed both a primary and redundant power conversion
module, verify that the LEDs on both modules are lit as indicated in
the preceding step.
-48VDC/Ground (Source A)
Return/24VDC A) (Source
-48VDC/Ground B) (Source
Return/24VDC B) (Source