ISDN BRI RJ45 pinout comments

There are 4 approved reports in our database

User opinion Comment Approved?
CORRECT YES
CORRECT YES
INCORRECT Correct if a S/T interface, incorrect if U interface, which just uses Pins 4 5 YES
CORRECT this is the pin out for a BRI S/T four wire circuit. Typically a carrier delivers two wire U interface to the demarcation which should travel on the blue 4/5 balanced pair. The S/T interface is from the NT1 to the CPE. Note, some CPE devices accept U interface. YES

[Back to document]

User opinion	Comment	Approved?
CORRECT		YES
CORRECT		YES
INCORRECT	Correct if a S/T interface, incorrect if U interface, which just uses Pins 4 5	YES
CORRECT	this is the pin out for a BRI S/T four wire circuit. Typically a carrier delivers two wire U interface to the demarcation which should travel on the blue 4/5 balanced pair. The S/T interface is from the NT1 to the CPE. Note, some CPE devices accept U interface.	YES