The tables below provide and overview of the operating ambient temperature limits for different fan tray and
interface module combinations. These values are specified for side-to-side airflow configuration.
The temperature range could further be restricted by the optical modules are used in the router.
Note
If you remove the fan tray from the system, the node thermal shut down is based on ASIC temperature and
not based on the timer value, from release 16.6.x and later.
Note
Table 10: Operating Temperature for A900-RSP3C-400-S Module
Operating Temperature Limit (°C)Fan TrayInterface Modules
–40 to 55A903-FANA900-IMA1X
A900-IMA8T
A900-IMA8S
A900-IMA2Z
A900-IMA8T1Z
A900-IMA8S1Z
–40 to 50A903-FAN-E
–40 to 55
A903-FANA900-IMA8Z
A900-IMA2F
–40 to 50A903-FAN-E
–40 to 45
A903-FANA900-IMA1C
–40 to 40A903-FAN-E
Table 11: Operating Temperature for A900-RSP3C-200-S Module
Operating Temperature Limit (°C)Fan TrayInterface Modules
–40 to 65
2
A903-FANA900-IMA1X
A900-IMA8T
A900-IMA8S
A900-IMA2Z
A900-IMA8T1Z
A900-IMA8S1Z
–40 to 65 1A903-FAN-E
–40 to 65 1
A903-FANA900-IMA8Z
A900-IMA2F
–40 to 55
3
A903-FAN-E
2
Maximum operating temperature of 65°C is supported only with EXT/RGD/IND optical modules.
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
41
Overview
Maximum Operating Ambient Temperature Support for RSP3 Modules
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