THE OKONITE COMPANY Product Data
Section 7: Sheet 24

Okonite® - Communication Cable
for Transit Systems

Duct and Tunnel Installations for Transit Systems
Low Smoke, Zero Halogen, Thermoplastic Jacket

 
A  Solid Bare Copper Conductor

B  Color Coded Thermoplastic Insulation

Non-Hydroscopic Core Tape

.005” Copper Shield

E  Okoclear-TP Jacket


Construction
Conductors: 16, 19, and 22 AWG solid, soft bare copper wires. Insulation: A thermoplastic compound, color coded per telephone industry standards.
Core Assembly: Insulated conductors are twisted into pairs with varying lengths of lay to minimize cross-talk. Pairs are oscillated into cable or units with identifying non-hygroscopic binders. Concentric/oscillated construction through 25 pairs and unit construction for larger cables. A non-hygroscopic core tape is applied over the cable core as a dielectric and heat barrier.
Shield: A .005” copper tape is longitudinally applied with an overlap and corrugated to increase flexibility.
Jacket:
The black jacket is resistant to abrasion, moisture, weather and environmental cracking. It meets the requirements of ICEA S-73-532. The jacket is surface printed with year of manufacture, product description and sequential footage marks at two foot intervals.

Applications
Low smoke, zero halogenated Okonite Communication Cables for transit systems are designed for use in aerial and tunnel installations where these features are desired. They are ideally suited for transit communications systems.

Specifications
Manufactured to ICEA S-56-434.

Product Features

  • Color coded to telephone industry requirements.

  • Excellent mechanical and electrical characteristics.

  • 100% shielding.

  • Highly resistant to abrasion, moisture, weather and environmental cracking.

  • Low Smoke, non-halogentated construction.

Electrical Characteristics

 

22
AWG

19
AWG

16
AWG

Conductor Resistance — ohms/mile 68°F

nominal
maximum

85.5
92.0

42.5
46.0

21
23

Conductor Resistance — ohms/loop mile

nominal
maximum

171
184

85
92

42
46

Insulation Resistance — megohm miles

minimum

10,000

10,000

10,000

Dielectric Strength — Insulation capable of
withstanding for 3 seconds dc voltage
— between conductors
— between conductors and shield

 



3,600
10,000



4,500
10,000



6,000
1,000

Attenuation at 1000 Hz-db/loop mile

 

1.79

1.25

0.91

Average Mutual Capacitance
mf/mile at 1000 Hz

Pairs
6 thru 17
18 and over


.083 ± 0.007
.083 ± 0.004

Capacitance Unbalance —pf/1000 ft.
Pair to Pair — R.M.S.
Maximum (individual)


12 or more
Less than 12


25
100


25
100


25
100

Pair to Shield — R.M.S.
Maximum (individual)

12 or more
Less than 12

125
250

125
250

125
250

Crosstalk Loss R.M.S. far end loss
measured at 150 KHz

6 or more

not less than 73 db per 1,000 ft.


Okonite Type RTC

 1-Catalog Number
 2-Size AWG 
 3-No. of Pairs
 4-Jacket Thickness-mils
 5-Cable O.D. - Inches
  6-Cable O.D. - mm
  7-Net Wt Lbs./M’
  8-Ship. Wt. Lbs./M’
  9-Strand. Reel Length
10-Jumbo Reel Length

1

2

3

4

5

6

7

8

9

10

207-82-6502
207-82-6503
207-82-6504

22

6
12
18
60
60
60

0.42
0.50
0.56

10.7
12.7
14.2

91
135
176

108
152
200

5000
5000
5000

10000
10000
10000

207-82-6505
207-82-6507
207-82-6508

25
50
75
60
60
60

0.63
0.80
0.97

16.0
20.3
24.6

221
376
541

245
416
632

5000
5000
5000

10000
10000
10000

207-82-6509
207-82-6511
207-82-6513

100
150
200
60
70
80

1.09
1.30
1.48

27.7
33.0
37.6

702
986
1282

793
1125
1477

5000
2500
2500

10000
5000
5000

207-82-6514

300 90

1.79

45.5

19053

2180

2500

3000

207-82-6522
207-82-6523
207-82-6524

19

6
12
18
60
60
60

0.51
0.62
0.72

13.0
15.7
18.3

136
211
286

153
235
325

5000
5000
5000

10000
10000
10000

207-82-6525
207-82-6527
207-82-6528

25
50
75
60
70
70

0.81
1.12
1.31

20.6
28.4
33.3

369
687
981

424
779
1120

5000
5000
2500

10000
10000
5000

207-82-6529
207-82-6531
207-82-6533

100
150
200
80
90
90

1.50
1.86
2.07

38.1
47.2
52.6

1256
1858
2391

1433
2123
2806

2500
1250
1250

5000
2500
2000

207-82-6534

300 100

2.47

72.7

3493

4023

1250

207-82-6542
207-82-6543
207-82-6544

16

6
12
18
60
60
60

0.62
0.80
0.97

15.9
20.5
24.8

217
363
516

244
406
568

2500
2500
2500

5000
5000
5000

207-82-6545
207-82-6547
207-82-6548

25
50
75
70
75
80

1.12
1.49
1.96

28.6
38.0
49.8

689
1252
1857

767
1378
2167

2500
2500
1000

5000

207-82-6549
207-82-6551
207-82-6553

100
150
200
80
90
100

2.04
2.45
2.79

51.8
62.2
70.9

2356
3438
4512

2666
3963
5158

1000
1000
1000



 

Notes: RTC cables are available, on special order, with a T-Screen® or core separated construction for use with PCM type carrier. To order T-Screen construction, change first five digits of catalog number 
from 704-03 to 704-33. In addition to "T-Screen" and "Jelly Filled" types these cables are available pressurized, and in "Air Core" and "Foam" constructions.

 

 

B/04090724  
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