detecting

First question I have is about the DS-2CD23X7G2. Can the ones without the strobe light (LU) be set to activate the light when motion is detected. I heard that some firmware versions had the feature but not sure about the latest one. I'd like to know for both the G3 and G5. Second question I...

Hi. I have installed 15 ip Hiwatch by Hikvision Turret cameras (IPC-T140) into a Hikvision 16 Channel Network IP Video Recorder with 16 PoE Ports & Alarm I/O (DS-7616NI-E2-16P-A). I installed 12 of those cameras in December all the same way using brand new cat5e cable from each camera to...