Multitech ISIHP-4U Guide de l'utilisateur télécharger pdf (Page 48)

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

Example Diagram Showing Creepage

and Clearance Distances

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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Multitech ISIHP-4U Guide de l'utilisateur Page 48