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Upgrading to a T1600 Craft Interface

 
  1. Removing the T1600 Upper Front Fan Tray

  2. Removing the T640 Craft Interface

  3. Installing the T1600 Craft Interface

  4. Reinstalling the T1600 Upper Front Fan Tray

Removing the T1600 Upper Front Fan Tray

Before you remove the craft interface, remove the front upper fan tray.

Note

Remove the front upper fan tray to make the craft interface easier to replace and to avoid injury and damaging the equipment.

The upper front fan tray is located above the FPC card cage. The fan tray weighs about 18.6 lb (8.4 kg). To remove the upper front fan tray (see Figure 1):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
  2. Loosen the captive screws on the corners of the fan tray faceplate.
  3. Grasp the handles and pull the fan tray halfway out of the chassis.Warning

    To avoid injury, keep tools and your fingers away from the fans as you slide the fan tray out of the chassis. The fans might still be spinning.

  4. When the fans stop spinning, place one hand under the fan tray to support it and pull the fan tray completely out of the chassis.
Figure 1: Removing a Front Fan Tray
Removing
a Front Fan Tray

Removing the T640 Craft Interface

The craft interface is hot-insertable and hot-removable. When you install the craft interface, allow several minutes for the display to reflect the current state of the T1600 router.

The craft interface is located on the front of the chassis above the FPC card cage. The craft interface weighs approximately 2 lb (0.9 kg). To remove the craft interface (see Figure 2):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
  2. Completely loosen the screws at the four corners of the craft interface.
  3. Insert the blade of a flat-blade screwdriver into the slot on one side of the craft interface, then gently pry that side out from the chassis.
  4. Repeat Step 3 for the other side of the craft interface.
  5. Grasp the craft interface by the top and bottom edges and carefully pull it straight out of the chassis.
Figure 2: Removing the T640 Craft Interface
Removing the
T640 Craft Interface

Installing the T1600 Craft Interface

To install the T1600 craft interface (see Figure 3):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
  2. Grasping the craft interface by the top and bottom edges, press it into place.
  3. Tighten the screws at the corners of the craft interface.Note

    When you install the craft interface in an operating T1600 router, allow several minutes for the LEDs on the craft interface to reflect the current state of the T1600 router.

After you install the replacement craft interface, immediately reinstall the upper front fan tray.

Figure 3: Installing a Replacement Craft Interface
Installing
a Replacement Craft Interface

Reinstalling the T1600 Upper Front Fan Tray

To install the upper front fan tray (see Figure 4):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
  2. Grasp the fan tray by its handles and insert it straight into the chassis.
  3. Tighten the captive screws on each side of the fan tray faceplate to secure it in the chassis.
Figure 4: Installing a Front Fan Tray
Installing a
Front Fan Tray