Juniper PTX1000 - PTX1000 Cooling System; PTX1000 Cooling System Description; Fan Modules

Table 10: PTX1000 Chassis Status LEDs (continued)
DescriptionStateColorName
There are no major alarms.OffUnlitMajor alarm
(MAJ) LED
A major hardware fault has occurred, such as a temperature
alarm or power failure, and the PTX1000 has halted.
On steadilyRed
There are no minor alarms.OffUnlitMinor alarm
(MIN) LED
A minor alarm has occurred, such as a software error.On steadilyAmber
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 shows the fan module for the PTX1000.
36