Balun System  
 
BNC-F / RJ45-F without DC Power
  BNC-F / RJ45-F without DC Power
  03-2011-11
  Distance:600m
 
  UL & CE
 
 
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Standard Single Type/ Screw
The standard single baluns come with a BNC coaxial connector and a RJ45 twisted pair connection.
The CCTV Video Balun allows baseband composite signal to be transmitted via a single unshielded twisted pair (UTP) cable for more versatile cabling.
The CCTV Balun is used in pairs to allow you to eliminate more expensive coaxial cable, including coupling signals from remote video cameras to display systems, video retrieve, security and surveillance monitoring applications.
The use of existing twisted pair infrastructure such as telephone cable and Cat.5 computer networking cables are also available. All our baluns are 100% test for reliability and durability to guarantee your signal integrity.

Specification
1. Cable-UTP: 24AWG or lower solid copper twisted pair wire
    Impedance: 100 ohm at 1MHz
    Max. Capacitance: 20pf/ ft
    Attenuation: 6.6db/ 1000ft at 1MHz
2. Cable-BNC
    Impedance: 75 ohm at 1MHz (RG59/U)
    Max.25ft of coax allowed per end to end link
3. Max. Distance
    Color: Cat.3 1200ft; Cat.5 2230ft
    Monochrome: Cat.3 1500ft; Cat.5 2550ft
4. Temperature
    Operating temperature: 0 to 55 degree C
    Storage temperature: -22 to 85 degree C
    Humidity up to 95%
5. No AC power or batteries needed
    Bi-directional signal conversion
    Ultra-miniature enclosure electrical

Electrical Characteristic and Performance
1. Bandwidth: Video DC to 8 MHz
2. Maximum input: 1.1 Vp-p
3. Impedance: 75 ohm to 100 ohm
4. Insertion Loss: Max. 2db per pair over the frequency range from DC to 8 MHz
5. Return Loss: Greater than 15db over the frequency range from DC to 8 MHz
6. Common mode rejection: Greater than 40db at 8 MHz

Wiring
This diagram is explaining the wiring layout of standard RJ45 connectors in Network applications. When looking at RJ45 connector from the bottom, with the spring tab facing down, pin 1 will appear on the left.

1
Orange / White
1
 
5
Blue / White
5
2
Orange
2
 
6
Green
6
3
Green / White
3
 
7
Brown / White
7
4
Blue
4
 
8
Brown
8

Importance Note
Baluns must be used in pairs.

標準單孔 /螺絲款式
標準單孔平衡/不平衡訊號轉換器是連接BNC同軸連接器與RJ45雙絞線。
閉路電視視頻平衡/不平衡訊號轉換器允許基頻混合訊號透過單向非屏蔽雙絞線電纜,用於多種電纜。
閉路電視平衡/不平衡訊號轉換器可利用雙絞線以取代昂貴的同軸電纜,包含從遠端錄影機到撥放系統的一對訊號、影像檢索、安全監控螢幕應用。
可使用現有公共建設之雙絞線像是電話線、Cat.5電腦網路線亦可利用,我們所有的平衡/不平衡訊號轉換器皆都100%檢測可靠性與耐久性來保證你的訊號完整。

規格:
1. Cable-UTP: 24 AWG或低於單股銅絞線
    阻抗: 100 歐姆 (在1MHz情況下)
    最大電流容量: 20pf/ft
    衰減: 6.6分貝/ 1,000英呎 (在1MHz情況下)
2. Cable-BNC
    阻抗: 在1MHz情況下75 歐姆 (RG59/U)
    最長25英呎同軸電纜可提供末端連結
3. 最長距離
    全彩: Cat.3 1,200英呎; Cat.5 2,230英呎
    單色: Cat.3 1,500英呎; Cat.5 2,550英呎
4. 溫度
    操作溫度:  0 到 55度C
    儲存溫度: -22 到 85度C
    濕度達95%
5. 沒有交流電壓或是電池需求
    雙向訊號轉換器
    極小的附加用電

電氣特性與性能:
1. 頻寬: 直流電視頻至8MHz
2. 最大輸入: 1.1 Vp-p
3. 阻抗: 75歐姆到100歐姆
4. 衰減耗損: 在頻率範圍DC到8MHz每對最大2分貝
5. 回波耗損: 在頻率範圍AC到8MHz間大於15分貝
6. 共模拒斥: 在8MHz大於40分貝

線路:
這個圖面是解釋在網路應用上標準的RJ45連接插頭線路編排,從下方可得知RJ45連接插頭彈簧片朝下,PIN 1從左邊開始依序。
1
橙 / 白
1
 
5
藍 / 白
5
2
2
 
6
6
3
綠 / 白
3
 
7
棕 / 白
7
4
4
 
8
8


注意事項:
平衡/不平衡訊號轉換器必須是成對使用。


 
 
 
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