Telecommunication-PCM Cable
通訊用電線－　ＰＣＭ　電線

PCM 0.50mm Cable and 0.65mm Cable

ＰＣＭ　０．５０ｍｍ　電線　和　０．６５ｍｍ電線

Conductor : Plain annealed copper 0.5mm/0.65mm in diameter

導體

 

:

直徑為0.5mm 或 0.65mm 的銅 

 

Insulation

絕緣體 

 

:

:

 

Polyethylene insulated to meet electrical specification.

聚乙稀絕緣合乎電子説明書

 

Available Pair Size

對數 

 

:

 

:

10, 25, 30, 32 pair

 

10, 25 , 30, 32 對

 
Shielding : After Bedding, Collective Plain Copper Tape Shielding with srain wire to ensure the continuity

保護物 

 :

內護套,銅保護層 

 
Protection Covering : Cloth Tape

保護 覆蓋 

 :

布條

 

Sheath

護套

 

:

:

Grey PVC Jacket.

灰色PVC護套

 


Items
項目
0.5mm Conductor
0.5mm 導體
0.65mm Conductor
0.65mm導體

Dielectric Strength

電介質 強度

 1 KV rms at 50Hz for 1min 1KV rms at 50 HZ for 1 min

Conductor Resistance

導體 電阻

 92.25 Ohms/Km max. at 20 Deg. C 59 Ohms/km max. at 20 Deg. C

Insulation Resistance

絕緣 電阻

 Not less than 5 Gigaohms-Km at 500 Vdc for 1 Min Not less than 5 Gigaohms-Km at 500 Vdc for 1 min

Mutual Capacitance

工作 電容

 55nF/Km maxium at 1KHz 55nF/Km maxium at 1KH

Characteristic Impedance

特性 電阻抗

110 ohms +/- 10% at 772 Khz

 and 3156KHz

 110 ohms +/- 10% at 772KHz and 3156 KHz

Attenuation

衰減

 20dB/Knm max. 2qt 772KHz 17 dB/Km max at 772 KHz

Equal Level Far-End Crosstalk at 772KHz

當772K Hz時相同等級的 Far-End 干擾

 Min: not less than 54 dB/250M Min: not less than 54db/2000.htm


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