Technical Documentation

Installing the TX Matrix Chassis Using a Mechanical Lift

Removing the Power Supplies

You attach the installation handle over the power supply slots of the chassis. The power supplies are located at the lower rear of the chassis. Each two-input 160-A power supply weighs approximately 23 lb (10.5 kg). Each three-input 240-A power supply weighs approximately 25 lb (11.3 kg). To remove the power supplies:

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 both circuit breakers on the power supply faceplate to the off position (O). We recommend this even though the power supplies are not connected to power sources.
Loosen the captive screws on the lower corners of the power supply faceplate completely.
Twist the ejector handles on the upper corners of the faceplate counterclockwise to unseat the power supply.
Grasp the handle on the power supply faceplate and pull firmly. Slide it halfway out of the chassis (see Figure 1).
Place one hand underneath the power supply to support it and slide it completely out of the chassis.
Caution: Be prepared to support the full weight of the power supply as you remove it from the TX Matrix router.
Repeat the procedure for the other power supply.

Figure 1: Removing a Power Supply Before Installing the Installation Handle

Attaching the TX Matrix Installation Handle

The installation handles helps you install the TX Matrix router. You attach the installation handle over the power supply slots of the chassis. To attach the handle:

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.
Insert the captive screws of the handle into the holes previously occupied by the captive screws of the power supplies (see Figure 2).
Tighten the screws, using a Phillips (+) screwdriver, number 2.

Figure 2: Attaching the Installation Handle

Mounting the TX Matrix Chasis Using a Lift

To install the TX Matrix chassis using a lift (see Figure 3):

If you are installing the TX Matrix chassis in an open-frame rack, ensure that the rack is in its permanent location and is secured to the building. Ensure that the installation site allows adequate clearance for both airflow and maintenance. For details, see TX Matrix Clearance Requirements for Airflow and Hardware Maintenance.
Load the TX Matrix chassis onto the lift, making sure it rests securely on the lift router.
Caution: Do not lift the TX Matrix chassis using the installation handle or the handles on the sides of the chassis. Use these handles only to help position the TX Matrix chassis.
Using the lift, position the TX Matrix chassis in front of the rack or cabinet, centering it in front of the mounting shelves.
Lift the chassis approximately 0.75 in. above the surface of the mounting shelves, and position it as close as possible to the shelves.
Carefully slide the TX Matrix chassis onto the mounting shelves so that the bottom of the chassis and the mounting shelves overlap by approximately 2 inches.
With one person pulling on the installation handle from the rear of the rack or cabinet while two people push on the front-mounting flanges, slide the TX Matrix chassis onto the mounting shelves until the mounting brackets or front-mounting flanges contact the rack rails or spacer bars (depending on your type of installation). The shelves ensure that the holes in the mounting brackets and the front-mounting flanges of the chassis align with the holes in the rack rails.
Move the lift away from the rack.
If you are installing the TX Matrix router in a four-post rack or cabinet, install a mounting screw and a cage nut into each of the holes aligned with the threaded holes in the spacer bars. If you are installing the TX Matrix chassis in an open-frame rack, install a mounting screw into each of the open mounting holes aligned with the rack, starting from the bottom.
Visually inspect the alignment of the TX Matrix chassis. If the TX Matrix chassis is installed properly in the rack, all the mounting screws on one side of the rack should be aligned with the mounting screws on the opposite side and the TX Matrix chassis should be level.

Figure 3: Installing the TX Matrix Chassis in the Rack

Note: This illustration depicts the TX Matrix chassis being installed in a four-post rack.

Removing the Installation Handle

After you have installed the TX Matrix chassis, remove the installation handle:

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 a Phillips (+) screwdriver, number 2, loosen the captive screws on the installation handle completely.
Remove the handle from the chassis.

Reinstalling the Power Supplies

To reinstall the two power supplies in the chassis (see 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.
Switch both 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 other power supply.

Figure 4: Reinstalling a Power Supply

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