Installing An Mx10016 Switch Fabric Board - Juniper MX10016 Hardware Manual

Figure 105: An Extracted Switch Fabric Board
1 Connectors
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Installing an MX10016 Switch Fabric Board

An MX10016router has six Switch Fabric Boards (SFBs) that are located in the middle of the chassis behind
the fan trays. SFB 0 through SFB 2 are located behind the left fan tray, and SFB 3 through SFB 5 are
located behind the right fan tray. You must remove the appropriate fan tray to install a SFB. See
64 on page 165. Fan trays must be replaced within the duration mentioned in
Table 58: Replacement Duration for the Fan Tray of an MX10016
Chassis Ambient Temperature
27°C
35°C
40°C
NOTE: When replacing the fans or SIBs at 40°C chassis ambient temperature, ensure that the fans
run at 100% fan speed for at least 10 minutes before replacing the fans or SIBs.
Use the test chassis fan tray 0 speed full-speed and test chassis fan tray 1 speed full-speed commands
to set the chassis fans to 100% speed.
Ensure you have the following equipment on hand before installing an SFB:
Electrostatic bag or antistatic mat
Electrostatic discharge (ESD) grounding strap
Replacement SFB
1
2 Printed circuit board
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Duration
3 minutes
2 minutes 46 seconds
2 minutes
2
Table 58 on page
217
Figure
217.