Ptx1000 Cooling System; Ptx1000 Cooling System Description; Fan Modules - Juniper PTX1000 Hardware Manual

Table 10: PTX1000 Chassis Status LEDs (continued)
Name Color
Major alarm Unlit
(MAJ) LED
Red
Minor alarm Unlit
(MIN) LED
Amber

PTX1000 Cooling System

IN THIS SECTION

PTX1000 Cooling System Description | 36

PTX1000 Fan Module LEDs | 38
PTX1000 Cooling System Description
IN THIS SECTION

Fan Modules | 36

Airflow Through the Chassis | 37
Fan Modules
The cooling system in a PTX1000 consists of three 80-W fan modules that operate at 150 cubic feet per
minute (CFM) at full speed as well as fans housed in the power supplies. Each fan module has dual
counter-rotating fans. Figure 13 on page 37
State Description
Off There are no major alarms.
On steadily A major hardware fault has occurred, such as a temperature
alarm or power failure, and the PTX1000 has halted.
Off There are no minor alarms.
On steadily A minor alarm has occurred, such as a software error.
shows the fan module for the PTX1000.
36