Ptx1000 Field-Replaceable Units - Juniper PTX1000 Hardware Manual

For power feed redundancy, connect power source feed A to power supplies 0 and 1 and connect power
source feed B to power supplies 2 and 3. A single feed can provide power to all components in the
PTX1000.
CAUTION:
terminal.

PTX1000 Field-Replaceable Units

Field-replaceable units (FRUs) are components that you can replace at your site. The PTX1000 FRUs are
hot-removable and hot-insertable—you can remove and replace them without powering off the PTX1000
or disrupting the routing function.
CAUTION:
removal to prevent chassis overheating.
Table 5 on page 22 lists the FRUs for the PTX1000 and actions to take before removing them.
Table 5: Required Actions Before Removing a FRU from the PTX1000
FRU
Power supplies (4)
Fan modules (3)
Optical transceivers
See Figure 3 on page 23
PTX1000.
Do not connect feed A and feed B to the same power supply input
Replace a failed fan module with a new fan module within 30 seconds of
Required Actions Before Removal
Remove the power cord or cable for the power supply unit.
NOTE: You need a minimum of two powered power supplies for the PTX1000 to
operate properly.
None.
None. We recommend that you disable the interface by using the set interfaces
interface-name disable command before you remove the transceiver. See
"Disconnecting a Fiber-Optic Cable from the PTX1000" on page
for the location of the power supplies and fan modules on the FRU panel of the
22
108.