Underground outdoor telephone cable, jelly-filled, 30 to 50 pairs
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product detail
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Parameters
| product name | multi-pair indoor telephone cable |
| Transmission standards | YD / T838.4-2003 |
| Jacket | PVC / LSZH |
| Driver's equipment | Bare copper |
| OD conductor | 0,4 mm / 0,5 mm / 0,6 mm |
| Armored | Aluminum tape |
| Insulation material | PHYSICAL EDUCATION |
| Jacket color | Black gray |
| Sample status | A stock |
| Core number | 200 |
| If you provide a free sample | YEAH |
| Package | Wooden or custom reel |
More information
Product Introduction
A multi-pair telecommunications cable designed for voice and data transmission, containing multiple pairs of insulated conductors, ideal for backbone network installations and telephone exchanges.
Features
Large number of pairs – Up to several hundred twisted pairs on a single cover
Color-coded insulation – Enables quick identification and termination
Twisted pair construction – Minimizes crosstalk and electromagnetic interference
Solid copper conductors – Ensures reliable transmission of low-frequency voice and data
Optional shielding – Available in unarmored (UTP) or armored (STP) variants for noise immunity
Wide range of gauges – Typically from 26 AWG to 19 AWG for different distance requirements
Applications
Telephone exchanges and head offices – Connects switching equipment to distribution boards for subscriber lines
Vertical trunk lines in buildings – Run vertically between floors to distribute voice and data services
Underground and campus trunk lines – Linking buildings in business parks, universities, and residential complexes
Industrial control systems – Transmits low-voltage signals for intercoms, alarms, and process monitoring
FTTx and access networks – Used as a drop cable or feeder cable in telecommunications and fiber to the curb (FTTC) infrastructures