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Installing Line and I/O Modules

This section describes the procedures for installing line and I/O modules.

Note: Install the I/O module before you install the corresponding line module; otherwise, the system diagnostics fail, and after the line module has tried to reboot, its status will be "inactive" when you issue the show version command.

Installing a Line Module or an I/O Module

To install a module:

  1. Ground yourself by using an antistatic wrist strap or other device.
  2. Choose the slot where you want to insert the module.

Note: Line modules are in the front of the system, and I/O modules are in the back of the system.
Table 5-3 Module slot assignments
E-Series Router
Module Slot
ERX-1440 router
  • Install modules other than the OC48 modules in slots 0-5 and slots 8-13
  • Install the OC48 line module in slots 2-3 and slots 4-5

>    Install the corresponding I/O module only in the lower of the two slots (either slot 2 or slot 4) that the line module spans

ERX-1410 router
Install modules in slots 0-5 and slots 8-13
ERX-7xx model
Install modules in slots 2-6
ERX-310 router
Install modules in slots 1-2

  1. With a Phillips screwdriver, loosen the screws that secure the blank faceplate covering the empty chassis slot, if present, and remove the faceplate.
  2. Remove the module from its antistatic bag.
  3. Verify that the ejectors are in the open position, as shown in Figure 5-5.
  4. Guide the module into the chassis by placing it between the guides of the selected slot and pushing the module until it stops.

The module stops sliding when the ejectors make contact with the front of the chassis.

Caution: If you meet strong resistance when attempting to seat the module using the ejectors, remove it from the chassis and confirm that the slot is one designed to hold the module. Also, be sure that you have aligned the top and bottom edges in the correct matching tracks.

  1. Insert the module into the midplane by simultaneously depressing both ejectors (as shown in Figure 5-5) and exerting forward pressure on the module.
  2. Tighten the module's captive screws using a Phillips screwdriver. Alternately turn each screw several times before tightening them completely to allow the module to sit correctly.

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