FTM-4
Parameter Value Notes
Power consumption 20 W Typical
20.7 W Maximum
Power input from backplane 12 V
Ambient temperature 70°C (158°F) Maximum
–20°C (–4°F) Minimum
Fan rotation speed 21,500 rpm Maximum
14,000 rpm Minimum
Alarms reported
l Out-of-service disabled
l Temperature high
l Voltage out of range
l Equipment fault
l Equipment removed
Environmental standards
compliance
l Telcordia SR-3580 Level 3 (NEBS)
l ETSI EN 300 019-1-3 Class 3.1
l IEC 60529 IP20 (indoor office)
Table 25: General Information — FTM-3
l Environmental Specifications
l MTBF Hours for HDEquipment
l Cooling and Airflow
l Slot Numbers and Assignments
l SH1R Shelf
Features
l Is field replaceable
l Is controlled by the CEM-3
l Speed increases if any of the FTM-3s fails or are removed or if the CEM-3 fails or is
removed
l Software-managed synchronization of the FTM-3 rotation speed to reduce noise
l Provides a module status LED
l Cooling and Airflow
l CEM-3
l SH1R Shelf
FTM-4
Overview 92
91 FSP 3000R7 High-Density Subshelf Guide - R17.2 - Issue:B