Nitek DVRPTR16 User Manual

DVRPTR16

16 Video, 2 Data Port Surge Protection

Description

The DVRPTR16 is designed to provide 16 channels
of multi-stage video surge protection as well as 2
channels of data surge protection. It is cost-effective
and ideally suited for protecting multi-input video
devices such as a DVR, multiplexer or matrix
systems. The DVRPTR16 is rack mountable in a
standard 19” rack. It installs in minutes and provides
a single easy access point for grounding. The video
channels use 2.8 volt solid state clamping for
unmatched protection. The data channels are
clamped at 5 volts.

Specifications

Size 1 RU
Connection Video Standard female BNC
Data Screw terminals
Clamping Voltage
Video 2.8v
Data 5.0v
Insertion Loss <0.2dB
Impedance 50 and 75 ohms
Temperature -20°C to +65°C
Frequency DC to 10 MHz

INSTALLATION

The DVRPTR16 must be properly installed to insure maximum protection. The function of the
DVRPTR16 is to allow a surge to be routed to ground and to clamp the protected equipment video
inputs to a minimum voltage.
There are three key points to remember when installing the DVRPTR16. First, provide a low
impedance connection between the DVRPTR16 and your protected equipment. This is best done by
keeping the PROTECTED coax cable connections as short as possible, ideally less then 3 feet, and
using a coax with a good braid.
Second, the system should use a single ground point. Connect the grounding stud of the
DVRPTR16 to a single ground point. A single ground point is a proper building ground to which
equipment grounds are connected. Ideally the protected equipment should be isolated from ground.
If the DVRPTR16 and the protected equipment are both grounded you will provide a parallel path to
ground and a portion of the surge current can flow through that path. Additionally, AC power line
protectors should be used to complete your surge protection strategy.
Finally, the UNPROTECTED cables and wires should not be crossed with the PROTECTED
cables and wires. Crossing cables could provide a path for surge currents to bypass the
DVRPTR16. protection circuits.

NITEK

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