Figure 8 Telephone Aerial Service Wire with Star Quad Conductors
This type of telephone aerial service wire with figure 8 MR is primarily used in extending a telephone circuit from a distribution cable terminal to subscribers station protector or network interface device (NID).
Specifications of Figure 8 Telephone Aerial Service Wire with Star Quad Conductors Conductor | Solid pure annealed copper |
AWG | 22 AWG |
Insulation | 100% virgin polyolefin |
Core | Star quad |
Strength Member | Non-metallic material to meet the mechanical requirement such as FRP. |
Shield | Single tape shield with an overlap of 2.0mm(0.080inch), dual tape shield, braid with alloy |
Jacket | Black, fire-retardant PVC |
Compliance | ANSI/ICEA S-89-648-2006 |
Package | Available in coils (CL) and reels (RL) |
Electrical Specifications of Figure 8 Telephone Aerial Service Wire with Star Quad Conductors Conductor resistance | ≤56.4Ω/km(17.2 Ω/kft)@20℃(68 ºF) |
Conductor resistance unbalance | ≤5.0% between the conductors of any pair in the completed wire. |
MR capacitance unbalance-pair to support wire | ≤2625 pF/km(800 pF/kft) |
Insulation resistance | ≥1600 MΩ/km(5000 MΩ/kft) |
Dielectric strength | ≥5100 V ac@60Hz, 7200 dc@60Hz |
FEXT(ELFEXT) | ≥58 dB/km(63 dB/kft)@150 kHz /-1%, 23℃ /-3℃(73 ºF /-5 ºF) |
NEXT | ≥44 dB @772 kHz /-1%, 23℃ /-3℃(73 ºF /-5 ºF) |
Product Data Sheet Series NO. | Conductor count /AWG | Core style | Standard length m(ft) | Package |
1 | 4/22 | Star quad | 100(328) | Coil |
2 | 4/22 | Star quad | 200(656) | Coil |
3 | 4/22 | Star quad | 305(1000) | Reel |
4 | 4/22 | Star quad | 500(1640) | Reel |
5 | 4/22 | Star quad | 1000(3280) | Reel |
NoteNMR and MR requirements: Two classifications of electrical performance designated as Type1 and Type2 are given for NMR and MR wires.
Type 1 refers to wires having electrical performance requirements equivalent to small telecommunication cable(<6 pairs)
Type 2 refers to wires with less stringent performance requirements.
Mutual Capacitance-dry Wire design | Requirement, nF /km (nF/mile) |
Type1 | Type2 |
Quad-NMR | Max. individual 58 (94) | Max. individual 66(106) |
Parallel-NMR | Max. individual 58 (94) | Max. individual 66(106) |
Twisted-NMR | Average 51 /-5(83 /-7) Max individual 58(94) | N/A |
Twisted-MR | Average 51 /-5(83 /-7) Max individual 58(94) | N/A |
Capacitance unbalance-pair to pair: at 23℃ /-3℃(73 ºF /-5 ºF)Construction type | Requirement pF/km(pF/kft) |
Quad-NMR | Max. 364(143) |
Parallel-NMR | N/A |
Twisted-NMR | Max. 145(80) |
Twisted-MR | Max. 145(80) |
Attenuation-dry: at 772kHz , 20℃(68 ºF).Wire design | Requirement, dB/km (nF/kft) |
Type1 | Type2 |
Quad-NMR | N/A | Max. 16.7(5.1) |
Parallel-NMR | N/A | Max. 18.4(5.6) |
Twisted-NMR | Max. 15.4 (4.7) | Max. 16.7(5.1) |
Twisted-MR | Max. 15.4 (4.7) | Max. 16.7(5.1) |
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