Replacing An Sfp Or Xfp Transceiver; Removing An Sfp Or Xfp Transceiver - Juniper Networks Hardware Manual

M120 Multiservice Edge Router Hardware Guide

Replacing an SFP or XFP Transceiver

168
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To replace an SFP or XFP transceiver, perform the following procedures:
Removing an SFP or XFP Transceiver on page 168
Installing an SFP or XFP Transceiver on page 169

Removing an SFP or XFP Transceiver

Small form-factor pluggables (SFPs) are optical transceivers that can be removed from
a PIC (for more information, see "M120 PICs Description" on page 15).
SFPs and XFPs are hot-insertable and hot-removable. Removing an SFP or XFP does
not interrupt PIC functioning, but the removed SFP or XFP no longer receives or transmits
data.
To remove an SFP or XFP transceiver (see Figure 84 on page 169):
Have ready a replacement transceiver, or a transceiver slot plug, an antistatic mat,
1.
and a rubber safety cap for the transceiver.
Attach an ESD wrist strap to your bare wrist and connect the wrist strap to one of the
2.
ESD points on the chassis.
Label the cables connected to the transceiver so that you can reconnect them correctly
3.
later.
WARNING: Do not look directly into a fiber-optic transceiver or into the
end of a fiber-optic cable. Fiber-optic transceivers contain laser light
sources that can damage your eyes.
Remove the cable connector plugged into the transceiver.
4.
Carefully drape the disconnected cable over the bobbins in the cable management
5.
system below the FPC card cage to prevent the cable from developing stress points.
CAUTION: 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.
Pull the ejector handle out from the transceiver to unlock the transceiver.
6.
CAUTION: Make sure that you open the ejector handle completely (you
will hear it click). This prevents damage to the transceiver.
For the 10-port Gigabit Ethernet PIC, use needlenose pliers to pull the ejector handle
out from the SFP.
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