User guide

Digital Video Hardware User Guide
revision 38 — 69
Notes: To connect cameras 16-32, connect a second expansion board to the LDVR-
3U.
The signal must be maintained at a 1 volt peak-to-peak rating +/- 10% and
the vertical sync at 0.3.
4-channel digital video boards
These configurations do not require an expansion board. Connect cameras 1-16
directly to the back of the LDVR-3U.
Note: The signal must be maintained at a 1 volt peak-to-peak rating +/- 10% and
the vertical sync at 0.3.
CCTV Switcher
The CCTV Switcher connects to the LDVR-3U via coaxial cable, and connects
to a workstation running the Communications Server via RS-232 serial
connection. The connection to the LDVR-3U is through one or more coaxial
cables (RG590). The connection to the database server or any client workstation
using pan, tilt, and zoom control cameras is RS-232 (serial). Only one serial