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Installing cables and checking connections in the primary cabinet
To install cables and check the connections in the primary cabinet, complete the
following steps:
1. Make sure that the source power breaker switches are all turned off.
2. Open the side and rear doors of the cabinet.
3. From the side of the cabinet, make sure that all the power cables between the
4. From the back of the cabinet, push on all the cable connectors running from the
5. Connect power to the power distribution units. Use a NEMA L6-20, 280 V ac,
6. Make sure that all internal power distribution units are turned on by viewing
Turning on the power to the expansion cabinets
To turn on the expansion cabinets, complete the following steps:
1. Turn on the cluster nodes using their power switches.
2. Make sure that the management node has power. A green LED on the front
3. After an expansion cabinet is turned on, make sure that all front panel LEDs on
Repeat the procedure for every expansion cabinet unit in the cluster before
powering on the primary cabinet.
Turning on the power to the primary cabinet
To turn on the primary cabinet, complete the following steps:
1. Storage expansion units - on the back of each storage expansion unit turn on
2. Storage controllers - on the back of each storage controller turn on the circuit
3. Management node - on the front of each , turn on the power switch. Make sure
24
IBM System Cluster 1350 Installation and Service Guide
rack power distribution units (PDUs) and the front-end PDUs are fully seated.
rack-mounted devices powered by the power distribution units to make sure
that the cables are fully seated.
single-phase power cable.
a. Connect the power cable to the power distribution unit.
b. Draw the power cable through the opening at the base of the cabinet.
c. Connect the power cable to the electrical outlet.
d. Turn on the power breaker switch for the source power.
e. Make sure that the power distribution unit circuit breakers are in the On
position.
the power-on LEDs on the power distribution unit connected components.
v When power is applied, servers display a flashing green LED on the front
panel.
v The following devices have no power switch and turn on automatically
when the power distribution units are turned on. Make sure that the
following components have power applied:
– KVM switch
– Cisco 10/100 switch
– Cisco Gigabit switch
All rack-mounted devices are powered by the internal PDU.
panel is lit to indicate that the node has power.
the cluster nodes are lit; otherwise, not all the nodes will be shown in the
configuration.
the circuit breakers.
breakers.
that the node passes POST with no errors. During the startup process make
sure that the PXE boot agent utility program attempts to run. If it does not,
press F1 to start the Configuration/Setup utility program and add Network as
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