48
CommPlete 4000 Communications Server Overview
conductive pollution or dry nonconductive pollution which could become conductive due to
condensation. Failure to maintain these minimum distances would invalidate approval.
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Power Supply Unit
or other source of
excessive voltage
Communication Module
Carrier Card
Expansion Card
X
X
Example Diagram Showing Creepage
and Clearance Distances
Y
Y
Fig. B-1. Example Diagram Showing Creepage and Clearance Distances
Except at the edge connector which plugs into the host's expansion slot, clearance distance
(Xmm) and creepage distance (Ymm) as given in the table above, must be maintained between
the communication card and any assemblies which use or generate hazardous voltage.
This apparatus has been approved for the use of the following facilities:
Auto-calling
Loop disconnect and MF dialing
Phone number storage and retrieval by a predetermined code
Operation in the absence of proceed indication
Automatic storage of last number dialed
Tone detection-busy
Auto clear from the originating end
DTR dialing
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