The PSI-Conf beeped—a sound she had never heard it make. Not a failure beep, not a diagnostic chirp. This was melodic. Two rising tones, like a question.
She read the script's header:
And leave only the echo of a two-tone beep, asking nothing at all. phoenix contact psi-conf download
She checked her cell. No signal. Then she noticed the fiber-optic line running from the PSI-Conf's SFP port. The activity light wasn't blinking its usual lazy green heartbeat. It was pulsing in a sharp, rapid staccato—as if the device was screaming. The PSI-Conf beeped—a sound she had never heard it make