Technical Documentation

Reinstalling the T1600 Components in the Chassis

Reinstalling the T1600 Standard or Quiet Rear Fan Tray

To reinstall the standard or quiet rear fan tray (see Figure 1):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Grasp the fan tray by its handles and insert it straight into the chassis.
Tighten the captive screws on the top and bottom of the fan tray faceplate to secure it in the chassis.

Figure 1: Reinstalling the Rear Fan Tray

Reinstalling the T1600 SCGs

To reinstall the SCGs (see Figure 2):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Carefully align the sides of the SCG with the guides in the SCG slot.
Grasp the SCG by its handle and slide it straight into the chassis until it contacts the midplane.
Tighten the captive screws on the corners of the SCG faceplate.
Repeat the procedure to reinstall the remaining SCG.

Figure 2: Reinstalling an SCG

Reinstalling the T1600 Control Boards

To reinstall the control boards (see Figure 3 and Figure 4):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Carefully align the sides of the control boards with the guides inside the chassis.
Slide the control boards into the chassis, carefully ensuring that it is correctly aligned.
Grasp both ejector handles and press them inward to seat the control board.
Tighten the captive screws on the ejector handles, using a Phillips (+) screwdriver, number 2.
Repeat the procedure to reinstall the remaining control board.

Figure 3: Reinstalling a T-CB

Figure 4: Reinstalling an LCC-CB

Reinstalling the T1600 SIBs

To reinstall the SIBs (see Figure 5):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Place one hand underneath the SIB to support it. With the other hand, hold one of the ejector handles on the SIB faceplate.
Carefully align the sides of the SIB with the guides inside the chassis.
Slide the SIB into the chassis, carefully ensuring that it is correctly aligned.
Grasp both ejector handles and press them inward to seat the SIB.
Tighten the captive screws on the ejector handles.
Repeat the procedure for each of the remaining SIBs.

Figure 5: Reinstalling a T1600–SIB

Reinstalling the T1600 Power Supplies

Reinstalling the T1600 DC Power Supplies

You can use this procedure to reinstall either the three-input 240-A DC power supplies or the four-input 240-A DC power supplies. Reinstall the lower power supply first, then the upper power supply. To reinstall the DCpower supplies (see Figure 6):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Switch the circuit breakers on the power supply faceplate to the OFF position (O).
Using both hands, slide the power supply into the chassis until you feel resistance.
Twist the ejector handles at the upper corners of the power supply faceplate clockwise until they stop.
Tighten the captive screws at the lower corners of the power supply faceplate to secure the power supply in the chassis.
Repeat the procedure for the upper power supply.

Figure 6: Reinstalling a Three-Input 240-A DC Power Supply

Figure 7: Reinstalling a T1600 Four-Input 240-A DC Power Supply

Reinstalling the T1600 AC Power Supplies

You can use this procedure to reinstall either the three-phase delta or wye AC power supplies. Reinstall the lower power supply first, then the upper power supply. To reinstall the AC power supplies (see Figure 6):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Switch the power switch on the power supply faceplate to the standby position.
Using both hands, slide the power supply into the chassis until you feel resistance.
Twist the ejector handles at the upper corners of the power supply faceplate clockwise until they stop.
Tighten the captive screws at the lower corners of the power supply faceplate to secure the power supply in the chassis.
Repeat the procedure for the upper power supply.

Reinstalling the T1600 FPCs

To reinstall FPCs (see Figure 8):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Using the list you created when you removed the FPCs, locate the slot in the FPC card cage in which you plan to install the FPC.
Lift the FPC into place and carefully align first the bottom, then the top of the FPC with the guides inside the card cage. Be sure the FPC is right-side up, with the components on the right of the FPC.
Caution: When the FPC is out of the chassis, do not hold it by the ejector handles, bus bars, or edge connectors. They cannot support its weight.
Slide the FPC all the way into the card cage until you feel resistance.
Starting with the ejector handles on the FPC faceplate nearly horizontal, simultaneously turn both ejector handles clockwise to seat the FPC.
If you are installing a Type 2 FPC or Type 3 FPC, tighten the screws inside the ejector handles to secure the FPC. Do not overtighten them.
Repeat the procedure to reinstall each remaining FPC.

Figure 8: Reinstalling an FPC

Reinstalling T1600 Standard Front Fan Trays

To reinstall the standard front fan trays (see Figure 9):

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Grasp one of the fan trays by its handles and insert it straight into the chassis.
Tighten the captive screw on each side of the fan tray faceplate to secure it in the chassis.
Repeat the procedure to reinstall the remaining fan tray.

Figure 9: Reinstalling a Front Fan Tray

Reinstalling T1600 Quiet Fan Trays

To reinstall the quiet front fan trays:

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
Locate the fan tray labeled FAN-T-FTOP-S UPPER FANTRAY.
Press the two latches located on each side of the fan tray up, and insert the upper front fan tray straight into the upper fan tray slot (see Figure 10).
Tighten the captive screws on each side of the fan tray faceplate to secure it in the chassis.
Locate a replacement quiet lower fan tray labeled FAN-T-FBOT-S LOWER FANTRAY.
Press the two latches located on each side of the fan tray up, and insert the lower fan tray straight into the lower fan tray slot (see Figure 11).
Tighten the captive screws on each side of the quiet lower front fan tray faceplate to secure it in the chassis.
Unlock the front cable management system and lower it to the fully lowered position.

Figure 10: Reinstalling the Upper Front Quiet Fan Tray

Figure 11: Reinstalling the Lower Front Quiet Fan Tray

Reinstalling the T1600 Front Cable Management System

To reinstall the front cable management system:

Position the front cable management system on the studs on the lower front of the chassis.
Insert the nuts through the holes in the cable management system onto the studs on the chassis.
Using a 3/8-in. nut driver, tighten the nuts securely.

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