14-Slot AdvancedTCA Shelf
Shelf Installation
11596-100/-101/-102/-103
www.a-tca.com / www.schroff.biz
17
R1.1, July 23, 2008
3.6 Shelf Power Connection
3.7 Specification for the power connection cables
Required wire size:
Diameter 6 mm² resp. AWG10
max. length 2.5 to 3.0 m
suitable for 30 A at 50° C ambient temperature.
Required terminals:
Use ring terminals for screw M4 or UNC 8-32.
Max. outside diameter is 9.3 mm.
Hazardous voltage!
Before working ensure that the power is removed from the power connection
cables. When the system is powered on, do NOT touch the power terminals!
Warning!
Avoid electric overload. To avoid electrical hazard, do not make connections
to terminals outside the specified voltage range for that Shelf.
Warning!
Ensure that the Shelf is grounded. Ensure that the Shelf Ground terminals are
connected to Protective Earth (PE) of the building.
Warning!
Although there are fuses in the power entry circuit of the Shelf, the power lines
have to be protected on rack level with 30 A breakers.
Warning!
Remove jewelry (rings, watches...) before working on equipment that is
connected to power lines!
Danger of electrostatic discharge!
Static electricity can harm delicate components inside the Shelf. You have to
wear ESD wrist straps before exchanging any part or electric component!
The Shelf can be powered using a regular telecommunication power supply of
-48/-60 VDC with a VDC return. The specified voltage range is from -40.5 VDC
to -72 VDC.The Shelf supports redundant power supplies but the two supplies
should be independently powered.
Summary of Contents for Schroff AdvancedTCA 11596-100
Page 41: ......
