CEM-4
The CEM-4 is not redundant. If you remove the CEM-4 from the shelf:
l External management stops working
l All fans increase to maximum speed
l Some non-critical internal management of modules stops working
l Timing is critical — to prevent equipment from overheating and shutting down, reinsert
or replace the CEM-4 within one minute
l Environmental Specifications
l MTBF Hours for HDEquipment
l SH4R Shelf
l SH4R-2 Shelf
l Slot Numbers and Assignments — SH4R
l Slot Numbers and Assignments — SH4R-2
l Cables
Features
l Provides user management ports and indicators:
o
Three 10/100/1000BASE-T Ethernet ports for connecting additional HDshelves
o
Shelf LEDs for Alarm, Shelf State, and Module Status
l Assists the ECM-2 in shelf management and communication
l Controls the fans in the shelf
l Provides a Lamp test button to test all LEDs in the shelf
l Displays the shelf ID number on the LCD panel
l SH4R Shelf
l SH4R-2 Shelf
l Specifications
l Port Pinouts
l Slot Numbers and Assignments — SH4R
l Slot Numbers and Assignments — SH4R-2
l FTM-4
FSP 3000R7 High-Density Subshelf Guide - R17.2 - Issue:B 82
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