2
3.
Holding the handle of the fan tray with one hand and supporting the bottom of the fan tray with
the other hand, gently pull the fan tray out of the slot along the slide rails.
Figure 2 Removing a fan tray
4.
Install a new fan tray. Holding the handle of the fan tray with one hand and supporting the
bottom of the fan tray with the other hand, gently push the fan tray into the slot along the slide
rails.
5.
Use a Phillips screwdriver to fasten the captive screws of the fan tray.
Replacing an SPU and an SPE
CAUTION:
•
SPUs are not hot swappable. Make sure the router is powered off before installing an SPU.
•
SPEs are hot swappable. However, hot-swapping an SPE is not allowed while an MPU-100-X1
is starting up.
•
Do not perform any active/standby SPE switchover operations when the system LED on an MPU
flashes yellow and green alternatively.
Replacing an SPU
MSR5620 routers do not support SPU replacement. This section describes replacing an SPU-200
for an MSR 56-60 router. Follow the same procedure to replace SPUs for an MSR 56-80 router.
To use an SPU-600-X1, a minimum of one SPE is required.
To replace an SPU:
1.
Use a Phillips screwdriver to loosen the captive screws of the SPU until the spring pressure is
released.
2.
Pivot the ejector levers of the SPU outward, and gently pull the SPU out of the slot.
3.
Install a new SPU. For the installation procedure, see "Installing the router."