Adva 3000R7 - Page 74

CEM-2
Parameter Value Notes
Compatible shelves SH12
Width 436.8 mm (17.2 in.)
Height 40 mm (1.6 in.)
Weight 1.1 kg (2.4 lbs)
Power consumption 9 W Typical
20.5 W Maximum
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 14: General Information — CEM-2
The CEM-2 is not redundant. If you remove the CEM-2 from the shelf:
l External management and timing interfaces stop 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-2 within one minute
l Environmental Specifications
l MTBF Hours for HDEquipment
l SH12 Shelf
l Slot Numbers and Assignments
l Cables
Features
l Provides user management ports and indicators:
o
Three 10/100/1000BASE-T Ethernet ports for connecting additional HDshelves
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 SH12 Shelf
l Specifications
l Port Pinouts
l Slot Numbers and Assignments
l FTM-2
FSP 3000R7 High-Density Subshelf Guide - R17.2 - Issue:B 74