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Sun Microsystems Rack, Руководство по обслуживанию

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Chapter 1

Sun Rack Service

5

Removing and Replacing a Power
Sequencer

1. Loosen captive screws on the front of the power sequencer.

2. Pull the power sequencer part of the way out of the rack.

3. Disconnect three cables from the rear panel of the power sequencer.

4. Pull the power sequencer free from the cables and out of the rack.

FIGURE 1-3

Removing a Power Sequencer

To replace a power sequencer, reverse the steps of the power sequencer removal
procedure.

Содержание Rack

Страница 1: ...n Microsystems Inc 4150 Network Circle Santa Clara CA 95054 U S A 650 960 1300 Send comments about this document to docfeedback sun com Sun Rack Service Manual Part No 816 6387 10 November 2002 Revision A ...

Страница 2: ...XTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID Copyright 2002 Sun Microsystems Inc 4150 Network Circle Santa Clara California 95054 Etats Unis Tous droits réservés Sun Microsystems Inc a les droits de propriété intellectuels relatants à la technologie incorporée dans le produit qui est décrit dans ce document En particulier et sans la limitation ces droits de propriété intellectuels pe...

Страница 3: ...g a Side Panel 3 Removing an Extension Panel 4 Removing the Top Panel 4 Removing and Replacing a Power Sequencer 5 Removing and Replacing a Power Strip 6 Removing and Replacing a Cable Assembly 7 Removing a Cable Assembly 7 Replacing a Cable Assembly 8 2 Troubleshooting 13 Power Sequencer 13 Power Strips 16 ...

Страница 4: ...iv Sun Rack Service Manual November 2002 ...

Страница 5: ...u can view print or purchase a broad selection of Sun documentation including localized versions at http www sun com documentation Sun Welcomes Your Comments Sun is interested in improving its documentation and welcomes your comments and suggestions You can email your comments to Sun at docfeedback sun com Please include the part number 816 6387 10 of your document in the subject line of your emai...

Страница 6: ...vi Sun Rack Service Manual November 2002 ...

Страница 7: ... Sun Rack Power sequencers Power strips Cable harnesses Top panel Preparing the Rack for Service Some maintenance tasks require that the panels be removed from the Sun Rack Removing the Grounding Straps There are three grounding straps mounted to each corner of the top of the rack frame FIGURE 1 1 and TABLE 1 1 identify which straps are connected to which panels Before removing any panel the groun...

Страница 8: ...trap Connections Rack Terminal Grounding Strap Number Connected to Rear Left 1 Left extension panel 2 Left side panel 3 Rear door if hinged on left Rear Right 4 Right extension panel 5 Top panel 6 Rear door if hinged on right Front Left 7 Front door if hinged on left 8 not used 9 not used 1 2 3 7 8 9 10 11 12 4 5 6 Front of Rack ...

Страница 9: ...e stud on the top inside of the panel 2 Release two latches on the bottom inside of the panel 3 Pull the bottom of the panel slightly away from the rack and lift up the panel Front Right 10 Right side panel 11 Front door if hinged on right 12 not used TABLE 1 1 Grounding Strap Connections Rack Terminal Grounding Strap Number Connected to ...

Страница 10: ...ts one at the top of the panel and one at the bottom Removing the Top Panel 1 Disconnect the grounding strap from the stud on the top inside of the panel 2 Disconnect the top panel power supply power cord from power strip 3 Remove the logo panel from the top front of the rack or if your Sun Rack has a front door open the door 4 Loosen the four screws that secure the top panel to the rack 5 Slide t...

Страница 11: ...ncer 2 Pull the power sequencer part of the way out of the rack 3 Disconnect three cables from the rear panel of the power sequencer 4 Pull the power sequencer free from the cables and out of the rack FIGURE 1 3 Removing a Power Sequencer To replace a power sequencer reverse the steps of the power sequencer removal procedure ...

Страница 12: ... 1 Disconnect the cable from the bottom of the power strip 2 Loosen the retaining screw at the top of the power strip and pull the top of the power strip toward the back of the rack 3 Pull the power strip up and out so that the tab at the bottom of the power strip clears the bracket FIGURE 1 4 Power Strip To replace a power strip reverse the steps of the power strip removal procedure To replace th...

Страница 13: ... the power strip bracket cover the power strip bracket and both power strips FIGURE 1 5 Cable Harness 3 Disconnect the cable harness from the power input panel a Remove two screws holding the power input panel to the rack b Remove one screw that holds the connector cluster to the power input panel assembly 4 Disconnect the cable harness from the power sequencer a Loosen two screws on the front pan...

Страница 14: ...rrier plate and cable harness out the back of the rack Replacing a Cable Assembly Each cable harness consists of three cables bundled together on a carrier plate Viewed from the back of the rack the cable harnesses and power sequencers are mounted on the left side of the rack The lower cable harness B is shorter than the upper harness A Each cable carrier plate is installed in the slot above its r...

Страница 15: ...t of the rack As you slide the carrier plate in the front end is guided by a vertical channel on the front cover plate As the carrier is close to being fully inserted a small tab on its bottom edge aligns with a slot in the channel to position the carrier to the right As this tab fully engages a small vertical slot in the carrier plate engages and allows the carrier to drop into its final position...

Страница 16: ...of the input panel Position each cluster under the power input panel with the open side up The cables are positioned on the left side of the power input panel The connectors engage with the slots in the front surface Secure each cluster with a single screw between the two connectors While attaching the left hand cluster A to the power input panel ensure that the cluster supports the two cables fro...

Страница 17: ...ttach the input power panel to the rack with two 8 mm screws split washers and flat washers FIGURE 1 8 Attaching the Power Input Panel to the Rack 6 Reinstall the power strip mounting bracket and the power strip mounting bracket cover ...

Страница 18: ...12 Sun Rack Service Manual November 2002 ...

Страница 19: ... for the even 0 8 outlet groups Outlet Group 9 is unswitched FIGURE 2 1 Simplified Block Diagram of a Single Circuit in a Power Sequencer AC to outlet group 1 Control for outlet group 1 Control for outlet AC Input Fault LED Ready LED AC 1 9 ODD LED groups 3 5 and 7 Power switch for outlet groups 1 9 Control AC to relays for outlet groups 3 5 and 7 AC to outlet group 9 unswitched ...

Страница 20: ... AC power is available to the input side of the odd numbered outlet group relays Note this LED only indicates that power is available to the outlet group relays it does not indicate that AC power is output from the sequencer AC 0 8 EVEN Input power available AC power is available to the input side of the even numbered outlet group relays Note this LED only indicates that power is available to the ...

Страница 21: ...hes The blue Okay to Remove LED lights 2 Remove and replace the power sequencer Fault ON Ready ON or OFF AC 1 9 ODD ON AC 0 8 EVEN ON Turned off Okay to Remove ON You can safely remove the sequencer Fault ON or OFF Ready ON or OFF AC 1 9 ODD OFF AC 0 8 EVEN OFF Missing AC input Okay to Remove OFF Assuming both power switches are on start troubleshooting the input to the sequencer 1 Input power pan...

Страница 22: ...roups are 0 2 4 6 and 8 The odd outlet groups receive their power from one AC input and the even outlet groups receive their power from the other AC input The power strips have a power indicator LED for each outlet group FIGURE 2 3 Troubleshooting a Power Strip A single LED on a power strip is not lit Power sequencer Fault light on Replace power sequencer Voltage okay at the outlet group LED is fa...

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