A2terminates, leaving only the bi-directional transistors, Q4/Q5, permanently ON. The LED comparator, A4, will not be activated in this case to keep the LED indicator extinguished, indicating a normal loop connection. However, if the temporary power level appearing at the output of the VSOI ...
A provisioned/unprovisioned indicator bit in the CTRLG field of the downstream frame is set as unprovisioned in block 1008. There is only one event that causes transition out of the unprovisioned state at block 1014. This event is a provision_TM message wherein the HLH receives such a ...