Grounding the Access Control Unit
At the Access Control Unit, connect the Green Ground Screw on the
mounting plate to a good earth ground, to allow the built-in surge protection
to work properly.
Recommended Surge Protectors
There are many manufacturers of Surge Protectors for , RS-485, RS-232, AC
power and telephone line applications; while we don’t specifically endorse a
particular product, we have listed several below. These manufacturers can
give you details on price, performance and installation methods. The model
numbers specified below are the minimum protection needed. Some areas may
require additional protection. If lightning damage persists, consult these
manufacturers.
Diversified Technologies
(Ditek) Tel: (800) 753-2345.
RS-485 Surge protectors with screw terminals, ground wire, clamping
level 7 VRMS
• 4 wire, DTK-2LVLP-D
RS-232 Surge Protectors with screw terminals, ground wire, clamping
level 7 VRMS
• 6 wire, DTK-3LVLP-D
Telephone Line Surge Protectors w/screw terminals, ground wire, clamping
level 130VRMS
• 2 wire, DTK-1LVLPSCP-RUV
Stormin Protection Products, Inc.
Tel: (888-471-1038) or (813) 548-5418
RS-485 Surge protectors with screw terminals, ground wire, clamping
level 15 VRMS
• 4 wire, DDUAL-3W-DTV/G-7V
D-3
Summary of Contents for ENTRACOMP 28SA Plus
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