Bosch EX49, Руководство по установке

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6
2. INPUT POWER CONNECTIONS
Attention:
External Video Cable Systems Must
Be Properly Grounded In Accordance With The
National Electrical Code, ANSI/NFPA 70.
The EX49 Camera Unit is pre-connected with an
electrically isolated power board (VRB) for 24V
ac or 12V dc operation, with no change to the
polarity of the wires.
The VRB also connects to the Camera and to
the Line Lock Board (if available).
See
Figure 2 – 1 on page 7.
NOTE:
For
DC input
, the input voltage range is
10.5V dc to 40V dc.
The recommended input current from the power
supply should be approximately 1 Amp.
For
AC input
, the input voltage range is
12V ac to 28V ac.
The recommended input current from the power
supply should be approximately 1 Amp.