Clear-com HX System Frames User Manual download pdf (Page 37)

4.4.4 Static sensitivity

Observe anti-static procedures. Devices can be damaged by static

electricity. Personnel reconnecting the battery should ensure that they

ground themselves and all tools before touching cards.

A CPU or interface card’s components include CMOS chips that are sensitive to static

electricity. Before touching a card first touch a grounded metal object, such as any unpainted

surface on the matrix, to dissipate static electricity. When handling a card, be careful not to

bend any of the card’s connector pins or component leads.

Store spare cards in electrically insulated packaging, such as anti-static heavy duty plastic

bags or in unused card slots

(though not fully seated) in the matrix.

4.4.5 Hot patching (hot plugging)

Interface cards are hot patchable and self initializing, which means that a faulty card can

be removed and replaced while the system is powered. Hot patching (also known as hot

plugging) has no effect on any part of the system’s operation, except the MVX-A16 analog

card’s assigned sixteen ports.

Communication with a card’s connected devices will be interrupted when that card is

removed from the matrix. When the card is replaced, communication is restored.

4.4.6 Configuration

When an interface card is physically installed, its ports must be assigned functions in the

EHX configuration software (see your EHX documentation).

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Clear-com HX System Frames User Manual Page 37