
Socket driver
Time Required:
15 minutes
Procedure
1. Position the environmental distribution board in the cabinet and reinstall the 5/16-in. nuts (6).
Figure 11. Environmental Distribution Board
2. Reconnect the serial cables to the environmental distribution board and tighten the captive screws.
Figure 12. Environmental Distribution Board Connections
J1
J2
P8
P1
P2
P3
P4
P5
P6
P9
To cabinet controller
Preconditioner (Optional)
Blower control to blower enclosure
Power supply rack shelf 0 (bottom)
Power supply rack shelf 1 (middle)
Power supply rack shelf 2 (top)
Air temp sensor
Coil Control Board
Not used
Not used
3. Reconnect the high-speed network cables, as necessary.
4. Power up all of the cabinets in the row.
a. For blower cabinets, place the MAIN DISCONNECT switch on the rear panel of the blower cabinet PDU
in the ON (up) position.
System Cabinet Procedures
28