Shutting down power and removing the cables
1. Shut down power on the SPS that you are replacing by pressing the left side of the SPS
power switch (
).
Figure 2. Off position for the SPS power switch (SPS A shown)
2. Disconnect the SPS cables:
Note:
Label the cables for reinstallation later.
a. Unplug the SPS power cord from the site power source and then from the SPS.
b. From the SPS, unplug the sense cable and the power cord connecting the SPS to the
SP directly above it.
Shutting down power and removing the cables
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Shutting down power and removing the cables
