Installation and Operations Guide
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AZW-5000
10
LTBT-TM-AZWIOG Rev. 0001BETA © Honeywell
Grounding the MS/TP LAN shield
Proper shield grounding of the MS/TP cabling can help minimize the risk of
communications problems and damage to equipment because of transient
voltage spikes (for example, lightning strikes).
Follow these guidelines for grounding MS/TP cable shields:
• Each transceiver MS/TP segment should have a single point of shield
ground, preferably as close to the middle of the cabling run as possible.
• Do not ground the MS/TP shield to an AZW-5000 GND terminal.
• Do not ground both ends of a shield. Differences in potential between
the grounds may induce current on the shield, causing interference.
• At ungrounded, exposed shield points, tape back the shield to the wire
jacket or, for optimum transient shunting, use 100V gas discharge tubes
or 120V MOVs between the shield and ground.
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