ENFORCER ACTIVE VIDEO BALUN
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 |
connected to image |
b. Poor signal, or balun separation is |
interference. |
processor (e.g., |
too long. |
b. Install video amplifier between image processor andbalun. |
multiplexer or DVR), but |
c. Split pairs. |
c. Ensure same twisted pair connects to balun at both ends of |
not if directly to monitor? |
d. Crimped cable. |
cable. |
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d. Replace cable with new cable. |
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Image background flutters |
Interference from external power source. |
Remove power source, or adjust monitor's brightness and |
between dark and light? |
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contrast. |
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Image is wavy and shakes? |
Twisted pair wires reversed. |
Try reversing polarity of the 2 wires at one end of cable. |
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Image is weak or faded? |
a. Exceeded recommended balun |
a. Reduce cable length. |
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separation. |
b. Replace with a higher-grade cable. Cat 5e cable meets |
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b. Using lower-grade cable than |
specifications in the manual. Cat 5e or better cable |
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recommended. |
allows longer range. |
No image? |
a. Power is off. |
a. Check the power supplies of all devices connected to |
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b. Cable is incorrectly connected/crimped. |
the cable. |
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c. Cable was accidentally cut. |
b. Check video signal of receiver. |
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d. Wires running from pins 7 and 8 |
c. Double-check that the cable was connected and |
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reversed. |
crimped properly. |
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e. Defective camera or remote video |
d. Run a continuity test on all wires in the cable. |
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device. |
e. Reverse the wires. |
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f. Defective video balun. |
f. Replace the unit with a new unit. |
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Poor image quality when |
Induction from the coiled cable. |
Test only with cable laid out in such a way that it is not |
testing using cable on a |
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coiled and does not double back on itself. |
reel? |
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IMPORTANT: Users and installers of this product are responsible for ensuring this product complies with all national, state, and local laws and statutes related to monitoring and recording audio and video signals. SECO-LARM will not be held responsible for the use of this product in violation of any current laws or statutes.
WARNING: Incorrect mounting which leads to exposure to rain or moisture inside the enclosure could cause a dangerous electric shock, damage the device, and void the warranty. Do not open the case of this device, as there are no field-serviceable components inside.
WARRANTY: This SECO-LARM product is warranted against defects in material and workmanship while used in normal service for a period of three (3) years from the date of sale to the original consumer customer. Our obligation is limited to the repair or replacement of any defective part if the unit is returned, transportation prepaid, to SECO-LARM. For complete details regarding the SECO-LARM warranty, please contact SECO-LARM.
NOTICE: The information and specifications printed in this manual are current at the time of publication. However, the SECO-LARM policy is one of continual development and improvement. For this reason, SECO-LARM reserves the right to change specifications without notice. SECO-LARM is also not responsible for misprints or typographical errors.
Copyright © 2005 SECO-LARM U.S.A., Inc. All rights reserved. This material may not be reproduced or copied, in whole or in part, without the written permission of SECO-LARM.
SECO-LARM® U.S.A., Inc. |
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® |
16842 Millikan Avenue, Irvine, CA 92606 |
Website: www.seco-larm.com |
PITSW4 |
MiEVTAB1.pmd |
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Tel: 800-662-0800 / 949-261-2999 Fax: 949-261-7326 |
E-mail: sales@seco-larm.com |
Page 8 |
Installation ManualENFORCER A
ENFORCER®
EVT-TB1-42T
Active Video Balun – Transmitter
EVT-RB1- 4T2
Active Video Balun – Receiver
EVT-AB1
Transmitter and Receiver set
Range: Up to 8,000’ (2,400 meters) B/W Up to 5,300’ (1,500 meters) color
VBALUN
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42T |
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TB1 |
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Transmitter |
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EVT |
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-4T2 RB1 ReceiverEVT
WHAT IT IS
The EVT-TB1-42T and EVT-RB1-4T2 active video baluns are the quick, low-cost way to connect CCTV cameras to a monitor, multiplexer, or video recorder at up to 1.5 miles (2,400 meters) away for monochrome cameras, or up to 1 mile (1,500 meters) away for color cameras.
The baluns allow a CCTV camera’s video signal to be transmitted over low-cost Cat 5e unshielded twisted pair (UTP) cable instead of costly coax cable. They are suitable for full-motion color and monochrome cameras.
FEATURES
!Active operation – The transmitter amplifies the video signal for excellent picture quality at long distances.
!Transmits video signal up to 1.5 miles (2.4km).
!Also transmits either PTZ (pan/tilt/zoom) data or low voltage (12-14 VAC/VDC) to CCTV cameras.
!Uses low-cost Cat 5e unshielded twisted pair cable instead of costly coaxial cable.
!Includes BNC connectors and removable terminal blocks
–No need to waste time crimping RJ-45 connectors.
!High immunity from interference
–Built-in impedance coupled device and noise filter.
!Easy installation. Removable terminal blocks.
!Transmitter has DC output for remote CCTV cameras or peripherals.
!Power can also be sent from a central location to remote sites using the transmitter and receiver.
!Includes 12VDC power adapters.
!Gold-plated BNC connectors.
!Surge protection on video signal. Ground lifting and transient protection.
ENFORCER ACTIVE VIDEO BALUN
Dimensions:
(Transmitter & receiver are the same size.)
Wiring:
Transmitter:
Gain |
DC out1 |
Adjustment |
- + |
+- Power in
- + - + Video out - + Data out2
Data in2
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(59mm) |
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(43mm) |
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(41mm) |
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Receiver |
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Receiver: |
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Gain |
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connect |
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Data - |
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Data + |
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Power - |
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Power + |
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- Power in |
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- + |
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(Reverse |
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Video in |
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Data in2 |
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- + |
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Polarity |
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Data out2 |
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Sensitive) |
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Note 1: Output depends on adapter used. The transmitter uses 40mA. So a 12VDC, 500mA adapter gives 12VDC, 460mA through this output, or a 24VDC, 500mA adapter gives 24VDC, 460mA through this output.
IMPORTANT: Test output before connecting to camera or other device.
Note 2: Can also be used to transfer 12~24 VAC/VDC. See fig. 5.
Specifications for Transmitter & Receiver:
Range |
Color 5,000’ (1,524m)1 |
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Power |
12/24 VDC. 12VDC adapter |
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B/W 8,000’ (2,438m)1 |
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included (can accept either |
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regulated or unregulated). |
Video format |
RS170, NTSC, PAL, SECAM, CCIR |
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Power consumption |
40mA Tx, 60mA Rx @ 12VDC |
Video input |
1Vp-p, 75 ohms, BNC connector |
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Data/Aux |
RS422/RS485, or 12/24 AC/DC 2 |
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Surge protection |
Surge ratings IPP: 100 Amp at |
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(video) |
10µsec. x 1000µsec. Max peak |
Cable type |
Cat 2 or better (best if Cat 5e) |
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current: 250 Amp at 8µsec. x |
Blue LED |
Power on/off |
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20µsec., transient voltage surge |
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Adjustments |
Tx - 3 positions |
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suppressors |
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Rx - 5 dip switches |
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Temperature range |
7°~329° F (-14°~165° C) |
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(32 combinations - ref. pg. 6) |
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Humidity range |
0~95% |
Insertion loss |
< 2dB per pair from DC ~ 5Hz |
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Impedance |
(BNC): 75Ω |
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Return loss |
>15dB from DC ~ 5MHz |
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(terminal): 100Ω |
Freq. response |
DC ~ 5MHz |
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Case |
ABS plastic |
Attenuation |
DC ~ 5Hz, 1.5dB max. |
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Wt. (without adaptors) |
Tx: 3.4 oz. (95g) |
Common mode |
60dB |
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rejection |
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Rx: 3.0 oz. (84g) |
1Shorter range may result when Baluns are used with DVR. 2Can also be used to transmit low-voltage (12~24) AC/DC. Fig. 5
ENFORCER ACTIVE VIDEO BALUN
Fig. 1: Use the EVT-series active video baluns as part of a complete video security installation.
EV-1323C12DW
Power
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EV-1323C12DW
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Up To 3,000 ft. (915m)
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Passive video balun
Up To 3,000 ft. (915m)
EVT-PB1-31T Passive Video Balun with video, power, and data.
(Coming soon)
Up To 3,000 ft. (915m)
EVT-PBM-V17
Modular snap-in passive video balun (Use any standard wall plate, eg., Leviton, ICC).
Up To 3,000 ft. (915m)
EVT-TB1-42T Active video balun (transmitter)
C
Multiplexer or DVR
Page 2 |
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