Powering On After Fan Backplane Installation - Sun Microsystems Sun Fire E25K Service Manual

2. Secure the fan backplane with the ten (10) M4x6 panhead screws by using a
Phillips No. 2 extra long (11 in. (27.9 cm) minimum) magnetic-tip screwdriver,
provided in the shipping kit.
3. Connect the power cable connector and the control ribbon cable connector to the
fan backplane. See
4. Install the boards and carrier plates in slots 5, 6, 7, and 8 front (side 0) or 14, 15, 16,
and 17 rear (side 1), and any additional boards removed for access.
5. Install the two fan trays.
See Section 4.2.4, "Installing a Fan Tray" on page
6. Connect the AC power cables.
7. Power on the AC circuit breakers at the power supply front panel.
14.4 Powering On After Fan Backplane
Installation
1. Ensure all DC circuit breakers are in the on position.
2. Connect the AC power cords to the 4 kW dual
3. Power on the AC0 and AC1 circuit breakers for all power supplies in the system.
4. Close the Sun Fire E25K/E20K system cabinet access doors.
5. Once the main SC is booted, start the domain(s) by typing:
sc% setkeyswitch -d domain_id on
where domain_id is the domain letter A-R. Execute one setkeyswitch command
for each domain to be started.
14-6 Sun Fire E25K/E20K Systems Service Manual • April 2004
.
FIGURE 14-2
4-5.
power supplies.
AC–DC