SECO-LARM USA VG-1C12AQ Installation, Trouble Shooting, ENFORCER Video Ground Loop Isolator, Page

ENFORCER Video Ground Loop Isolator

Installation:

Installation for ground loop isolators is very simple. The units are mounted in-line with the video signal.

To install, refer to figures 1 and 2:

1.Detach the video cable BNC connector from the camera BNC connector.

2.Attach the input side of the VG-1C12AQ to the camera BNC connector.

3.Attach the video cable BNC connector to the output side of the VG-1C12AQ.

Figure 1:

Typical Installation #1:

VG-1C12AQ

ENFORCER Video Ground Loop Isolator

Trouble Shooting:

Problem	Possible Cause	Possible Solution
Wavy or ghost image if	a. Strong electromagnetic interference.	a. Move the cable away from possible sources of interference.
connected to image	b. Poor signal, or balun separation is too	b. Replace with Active Balun.
processor (e.g., multiplexer	long.	c. Ensure same twisted pair connects to balun at both ends of
or DVR), but not if directly to	c. Split pairs.	cable.
monitor?	d. Crimped cable.	d. Replace cable with new cable.
Image background flutters	Interference from external power source.	Remove power source, or adjust monitor's brightness and
between dark and light.		contrast.
Image is wavy and shakes?	Twisted pair wires reversed.	Try reversing polarity of the 2 wires at one end of cable.
Image is weak or faded?	a. Exceeded recommended balun	a. Reduce cable length.
	separation.	b. Replace with a higher-grade cable. CAT5 cable meets
	b. Using lower-grade cable than	specifications in the manual. CAT6 cable allows longer range.

For short-run coax cable.

BNC

	Connector	Isolator Connector
	-1C12AQ)
Input	Loop		Ouput
Ground
	(VG
	BNC

BNC Connector

	recommended.
No image?	a. Cable is incorrectly connected.	a. Double-check that the cable was connected properly.
	b. Cable was accidentally cut.	b. Run a continuity test on all wires in the cable.
	c. Defective camera or remote video	c. Replace the unit with a new unit.
	device.	d. Replace the unit with a new unit.
	d. Defective video balun.

Coax Cable

Camera

Power

Multiplexer or Quad or DVR

Figure 2:

Typical Installation #2:

VG-1C12AQ + EVT-PB1Q

For longer runs using CAT5 UTP cable.

Also Available:

Video Balun with Ground Loop Isolator EVT-PB1-V1TGQ

		ConnectorLoop			Isolator			Connector
									-PB1Q)
	Input			-1C12AQ)					(EVT
		Ground				Output
BNC			(VG				Balun
				BNC

CAT 5

Camera

		-PB1Q)
Balun	(EVT		Connector
	BNC

Multiplexer or Quad or DVR

Ideal for new CCTV installations where no passive video baluns have been installed yet.

Power	Color - max. 1,300’	(400M)
	B/W - max. 2,000’	(610M)

				Ground
	connector		with	-V1TGQ)
			Isolator
	Balun		-PB1
BNC		Loop
		(EVT

CAT 5

Camera

Power

		-PB1Q)
Balun	(EVT		Connector
	BNC

Multiplexer or Quad or DVR

	Color - max. 1,300’		(400M)
Page 2	B/W -	max. 2,000’	(610M)	Page 3