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119500-A Rev. A xi
Figure 2. shows a physical representation of the creepage and clearances.
Figure 2. Creepage and Clearance
Except at the edge connectors, which plug into the host’s expansion slot, clearance
distance X (mm) and creepage distance Y (mm) as given in Table 1, must be maintained
between the communications card and any other assemblies that use or generate a
hazardous voltage.
ISDN Cards
The ISDN cable(s) must remain disconnected from the telecommunications system until
the card has been installed within a host that provides the necessary protection of the
operator.
If it is subsequently desired to open the host equipment for any reason, the ISDN cable(s)
must be disconnected prior to effecting access to the ISDN communications card.