ARTIC PORTMASTER ADAPTER/A RS422 EIB SURGE PROTECTOR
PURPOSE:
TO DETERMINE IF THE ARTIC PORTMASTER ADAPTER/A RS422
INTERFACE BOARD SURGE PROTECTOR SHOULD BE REPLACED AS
DESCRIBED HERE.
PHYSICAL CHECK:
CHECK FOR THE PRESENCE OF AN EC NUMBER ON THE SURGE PROTECTOR.
IF THERE IS NO EC NUMBER PRESENT, THE SURGE PROTECTOR IS
DEFECTIVE.
DETAIL:
CUSTOMERS USING THE SURGE PROTECTOR IN INSTALLATIONS
THAT HAVE CABLE RUNS IN EXCEESS OF 400 FEET OR THAT EXIT
THE ESTABLISHMENT CAN REPLACE THE SURGE PROTECTOR.
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