二、应用
155MbpsATM、 622MbpsATM、1000Base-T、10GBase-T。
三、标准
IEC61156-5 CAT 7及EN50288-4-1。
四、七类四对线缆的电缆结构:
|
STP |
SFTP |
导体 |
22/23AWG单股纯铜 |
22/23AWG单股纯铜 |
绝缘 |
聚乙烯 |
聚乙烯 |
屏蔽 |
铝箔分屏蔽 |
铝箔分屏蔽+铜丝编织总屏蔽 |
漏电线 |
7/0.2mm |
无 |
护套 |
聚氯乙烯/低烟无卤 |
聚氯乙烯/低烟无卤 |
五、工作频宽
1-600MHz(通用标准) 1-1000MHz(超七类标准)
六、 七类四对线缆的物理/电气特征
传输速率(NVP):79%。
最大相对电容:5.6nF/100m。
最大直流电阻不平衡:5%。
最大传播延迟差:30ns/100m。
最大传播延迟:536ns/100m@100MHz。
额定电压:60Vrms。
最大抗拉载荷:80N。
工作温度:-20℃—+60℃。
储存温度:-5℃—+50℃。
阻燃程度:通过IEC332-1(FRRVC&LSOH护套)。
通过IEC332-1&IEC332-3C(LSFROH护套)。
七、电缆结构
结构 |
导体线径/mm |
绝缘线径/mm |
对数 |
屏蔽 |
成品线径/mm |
护套 |
SFTP |
0.57/0.64 |
1.02 |
4 |
铝箔分屏蔽+铜丝编织总屏蔽 |
8/9.1 |
PVC/LSOH |
SFTP |
0.57/0.64 |
1.02 |
4 |
铝箔分屏蔽+铜丝编织总屏蔽 |
8.5/9.5 |
LSFROH |
STP |
0.57/0.64 |
1.02 |
4 |
铝箔分屏蔽 |
8/9.1 |
PVC/LSOH |
STP |
0.57/0.64 |
1.02 |
4 |
铝箔分屏蔽 |
8.5/9.5 |
LSFROH |
八、电气性能参数
FREQ
频率
(MHZ) |
NEXT 近端串扰(db/100m)
最差值/典型值/标准值
≥ |
ATTN
衰减
(db/100m)
≤ |
RL回波损耗
(db)
最差值/典型值/标准值
≥ |
PPACR信噪比
(db/100m)
最差值/典型值/标准值
≥ |
1 |
90.0/100.0/80.0 |
2.0 |
20.0/23.0/20.0 |
88.0/98.0/80.0 |
4 |
90.0/100.0/80.0 |
3.6 |
23.0/26.0/23.0 |
86.4/96.0/76.4 |
10 |
90.0/100.0/80.0 |
5.7 |
25.0/28.0/25.0 |
84.3/94.0/74.3 |
16 |
90.0/100.0/80.0 |
7.2 |
25.0/28.0/25.0 |
83.3/92.0/72.8 |
20 |
90.0/100.0/80.0 |
8.1 |
25.0/28.0/25.0 |
82.5/91.0/71.9 |
31.25 |
90.0/100.0/80.0 |
10.1 |
23.6/26.0/23.6 |
80.0/90.0/69.9 |
62.5 |
90.0/100.0/75.5 |
14.5 |
21.5/24.0/21.5 |
76.0/85.0/61.0 |
100 |
90.0/100.0/72.4 |
18.5 |
20.1/23.0/20.1 |
72.5/75.0/53.9 |
200 |
90.0/100.0/67.9 |
26.8 |
18.0/23.0/18.0 |
65.0/70.0/41.1 |
250 |
95.0/90.0/66.5 |
30.2 |
17.3/23.0/17.3 |
50.0/58.0/36.3 |
300 |
95.0/90.0/65.3 |
33.3 |
17.3/23.0/17.3 |
59.0/55.0/32.0 |
600 |
80.0/90.0/60.8 |
48.9 |
17.3/20.0/17.3 |
32.0/50.0/11.9 |
FREQ
频率
(MHZ) |
PPELFEXT
等效远端串扰
(db/100m)
保证值/典型值/标准值 ≥ |
PSNEXT
近端串扰功率和
(db/100m)
最差值/典型值/标准值 ≥ |
PSACR
信噪比功率和
(db/100m)
最差值/典型值/标准值 ≥ |
PSELFEXT
等效远端串扰功率和
(db/100m)
最差值/典型值/标准值 ≥ |
1 |
85.0/90.0/80.0 |
87.0/97.0/77.0 |
85.0/95.0/75.0 |
82.0/87.0/77.0 |
4 |
85.0/90.0/80.0 |
87.0/97.0/77.0 |
83.4/93.0/73.4 |
82.0/87.0/77.0 |
10 |
79.0/90.0/74.0 |
87.0/97.0/77.0 |
81.3/91.0/71.3 |
76.0/87.0/71.0 |
16 |
74.9/90.0/69.9 |
87.0/97.0/77.0 |
80.3/89.0/69.8 |
71.9/87.0/66.9 |
20 |
73.0/90.0/68.0 |
87.0/97.0/77.0 |
79.5/88.0/68.9 |
70.0/87.0/65.0 |
31.25 |
69.1/90.0/64.1 |
87.0/97.0/77.0 |
77.0/87.0/66.9 |
66.1/87.0/61.1 |
62.5 |
63.1/85.0/58.1 |
80.0/97.0/72.5 |
73.0/82.0/58.0 |
60.1/82.0/55.1 |
100 |
59.0/80.0/54.0 |
87.0/97.0/69.4 |
69.5/72.0/50.9 |
56.0/77.0/51.0 |
200 |
53.0/75.0/78.0 |
87.0/97.0/64.9 |
62.0/67.0/38.1 |
50.0/72.0/45.0 |
250 |
51.0/70.0/46.0 |
92.0/87.0/63.5 |
47.0/55.0/33.3 |
48.0/67.0/43.0 |
300 |
49.5/66.0/44.5 |
92.0/87.0/63.3 |
56.0/52.0/29.0 |
46.5/63.0/41.5 |
600 |
43.4/60.0/38.4 |
77.0/87.0/57.8 |
29.0/47.0/8.9 |
40.4/57.0/35.4 |
|