Foam PE insulation metal sheathed symmetrical communication cable,Foam PE insulation metal sheathed symmetrical communication cable manufacturer. - Hi-Sea Group 
Foam PE insulation metal sheathed symmetrical communication cable

Foam PE insulation metal sheathed symmetrical communication cable

Foam PE insulation metal sheathed symmetrical communication cable application

PCM digital quads for a group (2.048Mb / s) digital communication systems, low-frequency Quads for audio communication, 0.6 line pairs for signal, alarm, telemetry, remote exploration and audio communication.

Foam PE insulation metal sheathed symmetrical communication cable model and spec

Model
Name
HESYFL22
Copper Core foam PE insulation aluminum sheathed steel tape armored PE outer sheathed Digital long distance symmetrical communication cable
HESYFL23 Copper Core foam PE insulation aluminum sheathed steel tape armored PVC outer sheathed Digital long distance symmetrical communication cable

(1) 14 sets of digital transmission distance symmetrical communication cables
0.9 * 4 * 4 (number) +10 * 4 * 0.9 (low) 0.6 +5 * 2 *
(2) 17 sets of numbers symmetrical communication cable transmission distance
0.9 * 4 * 4 (number) +13 * 4 * 0.9 (low) + 4 * 4 * 0.6 (low) 2 * 0.6 +1 *

Foam PE insulation metal sheathed symmetrical communication cable features

(1) Digital Quads for PCM primary group (2048Mbit / s) digital communications system
(2) low-frequency Quads for audio communication
(3) 0.6,0.7 pair for signal, alarm, telemetry and audio communication
(4) shielding factor of ≤ 0.1
(5) applies to strong electromagnetic interference occasions


Foam PE insulation metal sheathed symmetrical communication cable electrical performance

Number
Item
Data
Conversion formula
1
1-1
1-2
Digital Quads crosstalk attenuation 103KHz dB/km
Near-end crosstalk attenuation between the two groups 100% 80%
The group FEXT defense degree 100% 80%
≥70 ≥75
≥50 ≥55
-10lg(L/500)
2
Digital Quads capacitive coupling coefficient pF/500m K2 K3(0.8~1.0KHz)
≤600
L/500

3
Low-frequency capacitive coupling coefficient Quads pF/500m (0.8~1.0KHz)
K1    Average   Max
K9~K12    Average    Max
≤82 330
<119 236
√L/500 L/500
√L/500 L/500
4
LF Quads ground capacitance unbalance pF/500m (0.8~1.0KHz)
e1 、 e2   Ave Max
10% of the maximum allowed number plate
≤233 800
1294
√L/500 L/500
L/500
5
Insulation resistance core - ground MΩ.km
Digital and low frequency Quads
0.6 0.7 0.6 solid line on the low-frequency Quads
≥10000
≥5000
1000/L
6
Insulation electric strength(50Hz) V
Digital Quads and Low-frequency Quads
Core-Core 2min
Core-Metal sheath 2min
0.6、 0.7pair - 0.6solid low frequency quads 2min
Core-Metal sheath 2s
1000
1800
1000
2000
-
7
Shielding factor
Longitudinal sheath induced electromotive force 30~150V/km (50Hz)
≤0.1
-

Note:100%, 80% for the cable measured group number

Foam PE insulation metal sheathed symmetrical communication cable typical construction

Foam PE insulated long distance communication cable construction.JPG

1.Conductor

2.Insulation

3.Tape

4.Aluminum sheath

5.Inner covering

6.Outer sheath

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Our mail: manager@hiseamarine.com

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