Which boundary device is applicable to T1 circuits with the capability of performing diagnostics if activatedremotely?
A.
Smart jack
B.
Demarcation extension
C.
66 block
D.
110 block
Which boundary device is applicable to T1 circuits with the capability of performing diagnostics if activatedremotely?
Which boundary device is applicable to T1 circuits with the capability of performing diagnostics if activatedremotely?
A.
Smart jack
B.
Demarcation extension
C.
66 block
D.
110 block