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Installing an I/O Card with Fiber-Optic Media Interfaces into
the SRX3400 Services Gateway
To install an IOC that supports
fiber-optic media interfaces:
- Attach an electrostatic discharge (ESD) grounding
strap to your bare wrist and connect the strap to one of the ESD points
on the chassis. For more information about ESD, see Preventing Electrostatic Discharge Damage to the SRX3400 Services Gateway.
- If you have not already done so, power off the device by
pressing the Power button on the front panel of the Switch Fabric
Board (SFB) for three to five seconds.
The PWR LED blinks to show you that the device is shutting
down. Wait for the device to shut down before proceeding.
- Place the IOC on
an antistatic mat or remove it from its electrostatic bag.
- Identify the slot on the Services Gateway where
it will be installed. You can only install IOCs in front-panel
- Orient the IOC so that the faceplate
faces you. Slide the IOC all the way into the card cage
until you feel resistance.
- Tighten the screws
on either side of the card.
- If you are installing additional IOCs at this time,
repeat steps 3 through 6, then continue with the following steps to
connect the appropriate cables.
- Install XFP or SFP transceivers as appropriate
into the sockets on the IOC:
Juniper strongly recommends the use of Juniper transceivers.
Juniper cannot guarantee correct operation if non-Juniper transceivers
are used. The transceiver type can be different in each port, as long
as a supported part number is used.
- Take each new transceiver to be installed out of its electrostatic
bag and identify the port on the IOC where it will be installed.
- Verify that each transceiver is covered with a rubber
safety cap. Cover any transceivers without a safety cap.
- Remove the rubber dust covers from each SFP or XFP socket
in which you will install a transceiver.
- Carefully align the transceiver with the sockets in the IOC.
The connectors should face the IOC.
- Slide the transceiver until the connector is seated in
the IOC slot. If you are unable to fully insert the transceiver,
make sure the connector is facing the right way.
- Close the ejector handle of the transceiver.
- Remove the rubber safety cap from each transceiver
Do not look directly into a fiber-optic
transceiver or into the ends of fiber-optic cables. Fiber-optic transceivers
and fiber-optic cable connected to a transceiver emit laser light
that can damage your eyes.
- Insert the appropriate cables into the cable connector
ports on each IOC. Secure the cables so that they are not
supporting their own weight. Place excess cable out of the way in
a neatly coiled loop. Placing fasteners on a loop helps to maintain
Do not let fiber-optic cable hang free from the connector.
Do not allow fastened loops of cable to dangle, which stresses the
cable at the fastening point.
Avoid bending fiber-optic cable beyond its minimum
bend radius. An arc smaller than a few inches in diameter can damage
the cable and cause problems that are difficult to diagnose.
Figure 33: Installing an IOC with Fiber-Optic Media
Never lift the Services Gateway using the handles on
the front panels of the IOCs or other CFM cards. The handles might
come off, causing the chassis to drop and inflicting possible grave
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