User guide

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.
)mm(ecnaraelC)mm(egapeerC
detareneGrodesUegatloV
sdraCrehtOrotsoHyb
0.2)8.3(4.2cdVrosmV05otpU
6.2)8.4(0.3cdVrosmV521otpU
0.4)0.8(0.5cdVrosmV052otpU
0.4)0.01(4.6cdVrosmV003otpU
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