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Installing an Uplink Module in an EX4300 Switch

Before you begin installing an uplink module in the switch:

Ensure that you have the following parts and tools available:

  • Electrostatic discharge (ESD) grounding strap (If a grounding strap is not available, follow the alternative grounding method described in Step 1 of the following procedure.)

  • Phillips (+) screwdriver, number 2

You can install an uplink module in the front panel of an EX4300 switch. The uplink module in EX4300 switches is a hot-removable and hot-insertable unit (FRU): You can remove and replace it without powering off the switch.

Note:

If you have set an uplink module port as a Virtual Chassis port (VCP), removing the uplink module breaks the setting. You must reset the port as a VCP after you replace the module. See Setting an Uplink Port on an EX Series or QFX Series Switch as a Virtual Chassis Port.

To install an uplink module in the switch (see Figure 1, Figure 2, and Figure 3):

  1. Wrap and fasten one end of an ESD wrist strap around your bare wrist, and connect the other end of the strap to the ESD point on the switch.

    If a grounding strap is not available, hold the uplink module in its antistatic bag in one hand and touch the exposed, bare metal of the switch with the other hand to ground yourself and the component.

  2. If the uplink module slot has a cover panel on it, loosen both captive screws on the faceplate of the uplink module by using your fingers. If you are unable to unscrew the captive screws by using your fingers, use the screwdriver. Hold both the captive screws and gently pull it outward to remove the cover panel, and save it for later use.
    Note:

    If you are removing an uplink module and installing another uplink module, wait for at least 10 seconds after removing the uplink module before installing the new or the same uplink module. If you do not wait for at least 10 seconds, the interfaces on the uplink module might not come up.

  3. Taking care not to touch module components, pins, leads, or solder connections, remove the uplink module from its bag.
    CAUTION:

    Before you slide the uplink module into the slot on the switch chassis, ensure the uplink module is aligned correctly. Misalignment might cause the pins to bend, making the uplink module unusable.

  4. Using both hands, place the module in the empty slot and slide it in gently until it is fully seated.
  5. Tighten both the captive screws by using your fingers or the screwdriver.
Figure 1: Installing a 4-Port 1-Gigabit Ethernet/10-Gigabit Ethernet SFP+ Uplink Module in a 24-Port or 48-Port EX4300 Switch Except EX4300-48MP and EX4300-48MP-S SwitchesInstalling a 4-Port 1-Gigabit Ethernet/10-Gigabit Ethernet SFP+ Uplink Module in a 24-Port or 48-Port EX4300 Switch Except EX4300-48MP and EX4300-48MP-S Switches
Note:

The procedure is the same for EX4300-48MP and EX4300-48MP-S switches.

Figure 2: Installing a 2-Port 40-Gigabit Ethernet QSFP+ Uplink Module in a 32-Port EX4300 SwitchInstalling a 2-Port 40-Gigabit Ethernet QSFP+ Uplink Module in a 32-Port EX4300 Switch
Figure 3: Installing an 8-Port 10-Gigabit Ethernet SFP+ Uplink Module in a 32-Port EX4300 SwitchInstalling an 8-Port 10-Gigabit Ethernet SFP+ Uplink Module in a 32-Port EX4300 Switch
Note:

If you have a Juniper J-Care service contract, register any addition, change, or upgrade of hardware components at https://www.juniper.net/customers/support/tools/updateinstallbase/ . Failure to do so can result in significant delays if you need replacement parts. This note does not apply if you replace existing components with the same type of component.

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