Which box-type camera supports zoom control?

SNZ-6320 model which is the successor of the previous SNZ-5200 is capable of zoom control.
It is an integrated zoom model which supports 32x zoom, and it utilizes RS-485 signal which allow usage with PT drivers.
Please refer to the product information link below.

Hanwha Vision is the leader in global video surveillance with the world's best optical design / manufacturing technology and image processing technology focusing on video surveillance business for 30 years since 1990.