11990-704/705/706/707 (2-Slot ATCA Shelf)
Shelf Ground Connection
10
R1.2, March 2018
5 Shelf Ground Connection
The ATCA Shelf provides a Shelf ground terminal at the left rear side.The Shelf ground
terminal provides two threads (M5) with a 16 mm spacing between thread centers to connect
a double-lug Shelf ground terminal cable.
Figure 5: Shelf Ground Terminal
5.1 Specification for the Shelf Ground connection cable
Required wire size:
AWG8
Required terminals:
Use only double lug terminals (Terminal Used: PANDUIT part no. LCD8-
14A-L).
Hazardous voltage!
Before powering-up the Shelf, make sure that the Shelf Ground terminals are connect-
ed to Protective Earth (PE) of the building.
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Please note, that in a typical telecom environment, the VRTN path of the -48 V supply
is grounded to Protective Earth (PE) of the building.
