communication - Draka 792661 드라카

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Draka 792661 드라카


규격	:	ToughCat cat7 S/FTP 4pr 0.27mm2

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Application
Generic Data transmission. This cable is a Cat7 S/FTP cable meant use as installation/horizontal cable in tougher
electrical and mechanical environment, including ships and offshore units.

Standards
EN 50173-1; EN 50288-4-1
ISO/IEC 11801; IEC 61156-5
Det Norske Veritas (DNV) spesification No. 6-827.50-2

Certification
DnV certification Number: E-9545

Fire rating
LSHF-FR(SHF1) : IEC 60754-2; IEC 61034, IEC 60332-3-24

Chemical resistance
Mineral oils IRM 902 (IEC60811-2-1) : 7 days/23°C
4 hours/70°C
Diesel - IRM 903 (IEC60811-2-1) : 7 days/23°C
4 hours/70°C

Construction
Conductor Stranded copper wire Ø 0.27 mm2
Insulation Foam-PE, Ø 1.6 mm
Twisting 2 cores to the pair
Cable lay up 4 pairs
Pair screen Al-laminated plastic foil around each pair
Overall screen Copper braid, tinned Ø 6,6 mm
Sheath Oil resistant, Fire retardant and halogen free LSHF-FR (SHF1).

Electrical Properties

DC loop resistance		≤ 138 Ω/km
Resistance unbalance		≤ 2%
Insulation resistance	(500 V)	≥ 5000 MΩxkm
Capacitance	at 800 Hz	Nom. 43 nF/km
Capacitance unbalance	(pair to ground)	≤ 300 pF/km
Mean Characteristic impedance	@ 100 MHz	100 ± 5 Ω
Nominal velocity of propagation		0,76c
Propagation delay		≤ 450 ns/100 m
Delay skew		≤ 15 ns/100 m
Transfer impedance	at 1 MHz	≤ 10 mΩ /m
	at 10 MHz	≤ 8 mΩ /m
	at 30 MHz	≤ 10 mΩ /m

Nominal Transmission characteristics

F	Attenuation	NEXT	ACR	Return loss	PS-NEXT	PS-ACR	ELFEXT	PS-ELFEXT
(MHz)	(dB/100m)	(dB)	(dB/100m)	(dB)	(dB)	(dB/100m)	(dB/100m)	(dB/100m)
1	2,0	90	88	87	85	85	82
4	3,6	90	86	27	87	83	85	82
10	5,5	90	84	30	87	81	79	76
16	7,5	90	82	30	87	79	75	72
20	7,7	90	82	30	87	79	73	70
31.25	9,8	90	80	30	87	77	69	66
62.5	14,0	86	72	30	83	69	63	60
100	17,9	83	65	30	80	62	59	56
155	22,4	81	59	26	78	55	57	54
200	25,6	78	52	25	75	49	53	50
250	28,8	77	48	25	74	45	51	48
300	31,6	73	41	23	70	38	47	44
600	45,7	71	25	20	68	22	44	41