Cáp Mạng LS CAT 7A S/FTP 4Pair 23AWG LSZH 332-3
Application
. Data Center System
. Horizontal Distribution & Backbone Cabling
. 4/16Mbps Token Ring (IEEE 802.5)
. 10/100/1000/10G BASE-T (IEEE 802.3)
. 155 Mbps ATM
. 100 Mbps TP-PMD
. ISDN, ADSL
. ATM LAN 1.2G
Chi tiết
Electrical Performance
| Characteristics | units | Specification |
| DC Resistance | Ω/100m | ≤ 9.5 |
| DC Resistance Unbalance | % | ≤ 2.00 |
|
Capacitance Unbalance
(Pair to Ground) |
pF/km
(800~1000Hz) |
≤ 1600 |
| Insulation Resistance | MΩ·m | ≥ 5000 |
| Dielectric Strength | DC kV/sec | 2.5 / 2 |
|
Impedance
(Characteristic mean) |
Ω | 100 ± 5% (at 100MHz) |
| Return Loss | dB/100m |
≥ 20 + 5 * log(freq) , 4 ≤ f ＜ 10MHz
≥ 25 , 10 ≤ f ＜ 20MHz ≥ 25 – 7 * log(freq/20) , 20 ≤ f＜ 600MHz (min. 17.3dB) ≥17.3 – 10*log(f/600) , 600 ≤ f ≤ 1000MHz |
|
Attenuation
(Insertion Loss) |
dB/100m |
≤ 1.8*√(freq) + 0.005*(freq) + 0.25/√(freq)
, 4 ~ 1000 MHz |
| NEXT | dB/100m | ≥ 105.4 – 15*log(freq), Max. 78dB, 4~1000MHz |
| Power sum NEXT | dB/100m | ≥ 102.4 – 15*log(freq), Max. 75dB, 4~1000MHz |
| ACRF | dB/100m | ≥ 95.3–20*log(freq), Max. 78dB, 4~1000MHz |
| Power sum ACRF | dB/100m | ≥ 92.3–20*log(freq), Max. 75dB, 4~1000MHz |
| Propagation Delay | ns/100m | ≤ 534 + 36 / √ (freq), 4~1000MHz |
| Propagation Delay Skew | ns/100m | ≤ 25, 4~1000MHz |
|
Freq.
(MHz) |
RL
(dB/100m) Min. |
Att.
(dB/100m) Max. |
NEXT
(dB/100m) Min. |
PSNEXT
(dB/100m) Min. |
ACRF
(dB/100m) Min. |
PSACRF
(dB/100m) Min. |
P.Delay
(ns/100m) Max. |
| 4 | 23.0 | 3.75 | 78.0 | 75.0 | 78.0 | 75.0 | 552 |
| 8 | 24.5 | 5.22 | 78.0 | 75.0 | 77.2 | 74.2 | 547 |
| 10 | 25.0 | 5.82 | 78.0 | 75.0 | 75.3 | 72.3 | 545 |
| 16 | 25.0 | 7.34 | 78.0 | 75.0 | 71.2 | 68.2 | 543 |
| 20 | 25.0 | 8.21 | 78.0 | 75.0 | 69.3 | 66.3 | 542 |
| 25 | 24.3 | 9.18 | 78.0 | 75.0 | 67.3 | 64.3 | 541 |
| 31.25 | 23.6 | 10.26 | 78.0 | 75.0 | 65.4 | 62.4 | 540 |
| 62.5 | 21.5 | 14.57 | 78.0 | 75.0 | 59.4 | 56.4 | 539 |
| 100 | 20.1 | 18.53 | 75.4 | 72.4 | 55.3 | 52.3 | 538 |
| 200 | 18.0 | 26.47 | 70.9 | 67.9 | 49.3 | 46.3 | 537 |
| 400 | 17.3 | 38.01 | 66.4 | 63.4 | 43.3 | 40.3 | 536 |
| 600 | 17.3 | 47.10 | 63.7 | 60.7 | 39.7 | 36.7 | 535 |
| 800 | 16.1 | 54.92 | 61.9 | 58.9 | 37.2 | 34.2 | 535 |
| 1000 | 15.1 | 61.93 | 60.4 | 57.4 | 35.3 | 32.3 | 535 |
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