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Part Number: BLN-RJ45
~Trouble Shooting~
[No Picture]
1. Camera is not working or not feeding power to camera. Please make sure the camera is working normally.
2. The connection of CAT5 and RJ45 plug is not correct please re-check the connection order to standard.
3. The RJ45 plug has not been put on correctly, either with incorrect connection order or the cores are not far
enough into the plug and not been crimped properly. Cut off the end again and re-crimp.
4. The cable is damaged or there is a short or open circuit on the wire, please replace the wire.
[Poor Picture]
1. Camera is not working properly. Please make sure the camera is working normally and sending good quality
picture.
2. The RJ45 plug has not been put on correctly, either with incorrect connection order or the cores are not far
enough into the plug and not been crimped properly. Cut off the end again and re-crimp.
3. Polarity incorrect with one balun being wired opposite to the other one, please re-wire.
4. Cable run too long. The picture will deteriorate if the CAT5 cable run too long. 2300 feet is the maximum
distance for a passive balun to be functioned with adjustments to DVR and monitor. HOWEVER, a maximum
distance 650 feet is recommended for using with equipment such as DVRs, multiplexers and quads.
~Specification~
Cable-UTP: 24 gauge or lower solid copper twisted
pair wire,
Impedance: 100ohm at 1MHz
Max. capacitance: 20pf/ft
Attenuation: 6.6dB/1000ft at 1MHz
Cable-BNC: Impedance: 75ohm at 1MHz (RG59/U),
Max. 25ft of coax allowed per end
to end link
Max. distance: Color: 1200ft/Cat.3 ; 2300ft/Cat.5
Monochrome: 1500ft/Cat.3
Pin Configuration: Video 7+/8-
Environment required: Operating temp. 0 to 55°C
~Limited Lifetime Warranty~
Gem Electronics warrants that this product is to be free from defect in materials and workmanship, for the life of the
product. The warranty given by Gem is in lieu of any other warranties, express or implied. This warranty does not
apply to units abused through misuse or subjected to improper and/or excessive voltage, beyond our control. Gem
assumes no responsibility for damages or penalties incurred resulting from the use of this product. Gem's liability
under any warranties shall be discharged by replacing or repairing, at our option, the defective product. Gem's
liability for any product shall not exceed a refund of the purchase price. The warranty listed here is intended only
as a summary of your full and complete warranty. For a full and complete warranty of this product contact Gem
Electronics.
Website: www.gemelec.com
2500ft/Cat.5
Storage temp. -22 to 85°C
Humidity up to 95%
920-A River Street - Windsor CT. 06095
Toll Free: 888-436-4195 - Fax: 860-683-0396
~Electrical Characteristic and Performance~
˙Bandwidth: Video DC to 8 MHz
˙Max. input: 1.1Vp-p
˙Impedance: 75ohm to 100ohm
˙Insertion loss: Max. 2dB
˙Return loss: Greater than 15 dB
˙Common mode rejection: Greater than 40dB
Gem Electronics
at 8MHz
E-mail: gembpitcher@aol.com
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