Hi.
I hope somebody can help as I am stumped.
I have been using 4 x DS-2CD2342WD Turret cams with a Hikvision 7600 4 channel NVR all about 3 years old and UK versions.
I have now purchased a 7600 8 channel NVR and some additional Hikvision cameras again all UK versions.
The new cameras plugged...