T1600 Router Cooling System
The cooling system contains the following fan trays:
One rear fan tray cools the components installed in the rear card cage (the Routing
Engines, control boards, SCGs, and the SIBs). The T1600 router supports the following
rear fan trays:
•
The standard rear fan tray contains eight fans. It has no label and is not interchangeable
with the standard front fan trays.
•
The quiet rear fan tray contains eight fans and is not interchangeable with the quiet
front fan trays.
One upper front fan tray (Figure 173 on page 333) and one lower front fan tray (Figure 174
on page 333) that cool the components installed in the front card cage (the FPCs, PICs,
CIP, and midplane). The T1600 router supports the following front fan trays:
•
The upper and lower standard front fan trays, each of which contains six fans and has
no labels. Both standard fan trays are interchangeable with each other.
•
Each quiet front fan tray contains four fans; they are not interchangeable with each
other.
Figure 173: Quiet Upper Front Fan Tray
g006045
FAN-T-FTOP-S
UPPER FANTRAY
Figure 174: Quiet Lower Front Fan Tray
g006046
FA N T- B TO P - S
LOWER FA NTR AY
FAN-T-FBOT-S
LOWER FANTRAY
•
Front and rear air filter—Air filters for both the front and rear fan trays help keep dust
and other particles from entering the cooling system.
•
Power supply fans—The power supplies each has a fan that cools that power supply.
333Copyright © 2012, Juniper Networks, Inc.
Chapter 11: Monitoring the Cooling System
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