Hikvision DS-2CD886MF
First you need to do - change camera firmware, new firmware date is - 2011.01.20 with H.264
Then, open Zoneminder console
general tab
Source Type - ffmpeg
Maximum FPS - 30 (or 15)
source tab
Source Path rtsp://login:password@ip-addr:554
(554 - rtsp port)
Capture Width (pixels) 352
Capture Height (pixels) 288
and that's it.