| ¡¡
|
¡¡
Cables :
1.2/4.4mm Coaxial
composite communication cable |
¡¡ |
 Applicable range
- This product refers to 1.2/4.4mm coaxial communication cable.
- Coaxial pair is used for analog main line communication system
of 22Mhz and below or digital communication system of 34Mbit/s and
below
- High frequency quad and high frequency pair are used for
analog communication system of 156KHz and below
- Low frequency quad low frequency and low frequency pair used
for communication system of audio frequency
Standard of
products :
GB 4011-83 (this standard is equivalent to the suggestion value
of Consultative Committee, International Telegraph and Telephone
CCITTG611 and G622)
Type, name,
specifications and applicable site of products
¡¡ |
|
Type |
Name |
Applicable site |
HOL02
¡¡HOL03 |
Aluminum sheathed polyvinyl chloride sheathed coaxial
composite communication cable
Aluminum sheathed polyvinyl sheathed
coaxial composite communication cable |
Fixed
laying on the land, overhead, channel, tonnel and direct
burial |
HOL22
¡¡HOL23 |
Aluminum sheathed, steel tape armored polyvinyl chloride
sheathed, coaxial composite communication cable
Aluminum sheathed, steel tape
armored polyvinyl sheathed, coaxial composite
communication cable |
Direct
laying, electrified railway and the site of strong electric
interference |
| HOL32 |
Aluminum sheathed, steel wire armored polyvinyl chloride
sheathed, coaxial composite communication cable |
Fixed
laying on the land, under water |
| HOQ |
Bare
lead sheathed, coaxial composite communication cable |
Fixed
laying on the land, overhead, channel, tunnel and direct
burial |
HOQ02
¡¡HOQ03 |
Lead
sheathed, polyvinyl chloride sheathed, coaxial composite
communication cable Lead
sheathed, polyethylene sheathed, coaxial composite
communication cable |
Fixed
laying on the land, overhead, channel tunnel and direct
burial |
HOQ22
¡¡HOQ23 |
Lead
sheathed, steel tape armored, polyvinyl chloride sheathed,
coaxial composite communication cable
Lead sheathed, steel tape armored,
polyvinyl chloride sheathed, coaxial composite communication
cable |
Direct
burial for electric railway and strong electric interference
site |
¡¡
|
Type |
Name |
Applicable site |
| HOQ33 |
Lead sheathed,
fine steel wire armored polyethylene sheathed, coaxial composite
communication cable |
Fixed laying on
the land |
| HOQ41 |
Lead sheathed,
thick steel wire armored, fiber covered, coaxial composite
communication cable |
Under water |
| HOQ43 |
Lead sheathed,
thick steel wire armored, polyethylene sheathed, composite
communication cable |
¡¡ |
¡¡
|
specifications |
¡¡ |
| 1 |
4 x 1.2/4.4 + 3 x
4 x 0.9(high frequency) + 6 x 1 x 0.6 (signal) |
| 2 |
6 x 1.2/4.4 + 4 x
2 x 0.7(high frequency) + 1 x 4 x 0.9(low frequency) + 4 x 1 x 0.6
(signal) |
| 3 |
8 x 1.2/4.4 + 1 x
4 x 0.9(hign frequency) + 1 x 4 x 0.9(low frequency) + 2 x 4 x
0.6(signal) + 8 x 2 x 0.6(signal) |
| 4 |
4 x 1.2/4.4 + 4 x
4 x 0.9(hign frequency) + 9 x 4 x 0.9(low frequency) + 4 x 4 x
0.6(signal) + 5 x 1 x 0.9(signal) |
| 5 |
4 x 1.2/4.4 + 4 x
4 x 0.9(hign frequency) + 9 x 4 x 0.9(low frequency) + 4 x 4 x
0.6(signal) + 5 x 2 x 0.6(signal) |
| 6 |
4 x 1.2/4.4 + 4 x
4 x 0.9(hign frequency) + 13 x 4 x 0.9(low frequency) + 10 x 2 x
0.6(signal) |
¡¡
Electrical
properties. see table 2, table 3
- Coaxial pair properties
- High frequency quad, high frequency pair
- Low frequency quad, low frequency pair
- Signal pair, signal line
|
|
NO |
Item |
Index |
conversion formula |
| 1 |
Inner conductor
D.C resistance §Ù/§° at 20¡É |
16.0 |
L/1000 |
| 2 |
Characteristic
impedance actual point §Ù |
¡¡ |
¡¡ |
| Nominal value
1MHz |
7.5 |
| Deviation 1MHz |
¡¾0.75 |
| 3 |
End Impedance
Nominal value
Deviation |
75 |
¡¡ |
| For 0.06MHz
transmission system |
¡¾0.75 |
| For 0.3~22MHz
transmission system or 34Mbit/s transmission system |
¡¾0.50 |
A,B end
impedance difference
For 0.06Mhz ~ 6MHz transmission system not more than |
0.70 |
For
0.3MHz~22MHz transmission system
or 34Mbit/s transmission system not more than |
0.50 |
| 4 |
Non-Homogeneity
of impedance |
¡¡ |
¡¡ |
| For 0.06~6MHz
transmission system |
¡¡ |
| Not more than |
4.0¢¶ |
| not more than |
2.5¢¶ |
| for 0.3~22MHz
transmission system |
¡¡ |
| or 34 Mbit/s |
¡¡ |
| 100% not more
than |
3.0¢¶ |
| 95% not more
than |
2.0¢¶ |
| 3 average value
of max.non-uniform |
¡¡ |
| For
transmission system of 0.06-6MHz |
3.5¢¶ |
| For
transmission system 0.3-22MHz |
2.8¢¶ |
¡¡
|
NO |
Item |
Index |
Conversion formula |
|
Attenuation constant 20¡É |
Frequency |
Nominal value dB/km |
Deviation dB/km |
Temperature factor x 10-3 |
| ¡¡ |
¡¡ |
0.6
0.1
0.3
0.5
1.0
1.3
4.5
12
18
22 |
1.54
1.84
2.96
3.77
5.41
6.12
11.22
18.36
22.44
24.80 |
¡¾0.1
¡¾0.1
¡¾0.1
¡¾0.1
¡¾0.1
¡¾0.2
¡¾0.2
¡¾0.2
¡¾0.2
¡¾0.2 |
2.52
2.35
2.10
2.00
2.00
2.00
2.00
2.00
2.00
2.00 |
¡¡ |
¡¡
|
NO |
Item |
Index |
Conversion formula |
| 1 |
D.C resistance at
20¡É
each conductive core §Ù/km not more than
D.C resistance difference of working pair not
more than loop resistance % |
28.5
1.0
¡¡ |
L/1000 |
| 2 |
Working
capacitance nF/km 0.8-1KHz
Nominal value
type I
Type II
Deviation
type I
Type II |
24.4
23.0
¡¾1.6
¡¾1.5 |
L/1000 |
| 3 |
Attenuation
constant dB/km 20¡É
Nominal value
type I not more than
Type II not more than
Deviation
type I
Type II |
2.65
2.60
¡¾0.20
¡¾0.20 |
¡¡ |
¡¡ |
Copyright(c)since 2003 Reliance Corp.
All right reserved
1304, Kumkwang Benesta,1149-2, Jung-Dong, Wonmi-Gu,
Bucheon-city, Gyeonggi-do 420-020, KOREA |
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