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TEL: +86-769-81209595
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Add: No.101 B.S. Industrial Zone, Wangniudun Town, Dongguan City, Guangdong, China
Tel: +86-769-81209595
Mob: +8613242086178 (WeChat or Whatsapp)
E-mail: milton@hgcable.cc
Helen Golden: helen@hgcable.cc

GYTA 48 Core Optical Cable

Once segment 1 has been placed, the remaining cable is spooled off the cable reel and stored in a figure-8 coil next to the feed manhole.
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1-288 cores GYTA Armoured Optical Fiber Cable

Central strength member

1.8mm Steel

Outer diameter

Vary from 7 to 14mm

Application

Aerial ,duct, pipeline, underground

Cores available

2,4,6,8,12,24,36,48,72,96,144,288

Cores type

G652D,G657A,G655C

Attenuation @1310nm

≤0.36dB/km

Attenuation @1550nm

≤0.22dB/km

OEM/ODM

Yes

Package

1/2/3/4/5km km each exporting wooden drums

Cover

PE,HDPE

GYTA fiber cable2

Learn more about fiber optic cable:

Once segment 1 has been placed, the remaining cable is spooled off the cable reel and stored in a figure-8 coil next to the feed manhole.

The cable coiled in the figure-8 is placed in the second segment of the conduit run. Again, sufficient cable must be pulled out of the second pull manhole at the far-end of the cable run to accommodate the splicing operation, racking, and sufficient slack for future maintenance operations.


8.1 Cable Coiling

Spare cable from the cable placing operation should be stored in intermediate and splice manholes (end manholes during placing) in a neat coil wrapped with a radius greater than the minimum bend radius of the cable. Forms for the cable coiling operation can be commercially purchased.

Cable coils should be stored in a safe location, away from the normal work operations in the manhole. If possible the cable coil can be stored behind the racked cable. The cable coils should be cable tied in place.


8.2 Racking Cable and Innerduct

Once the cable has been placed, sufficient slack cable should be provided in each end manhole to enable the splice to be made, to rack cable in each manhole, and to store the standard amount of slack at each splice required by the cable's owner to perform maintenance operations. Also, sufficient slack must be provided in intermediate manholes to rack the cable inside sub-duct (either innerduct or micro-duct) along the sides of the manhole, away from harm and still have sufficient slack stored to accommodate the end-user's requirements.

The cable must be properly terminated in a splice closure. The proper clamping of the cable's central strength member is necessary to prevent CSM pistoning. In addition, the jacket must be properly secured to prevent jacket retraction or cable slippage. Cable racking normally begins in an intermediate manhole or backfeed manhole and proceeds one manhole at a time toward each end manhole (or location where cable slack is being stored). Normally slack for cable racking is pulled by hand or if that becomes too difficult, using a split basket grip and a hand operated cable hoist. Care must be taken to avoid over tensioning the cable during slack pulling, or over bending the cable when forming it to the side wall of the manhole.

When racking cables, the innerduct should be continuous through intermediate manholes.

TV's infrastructure is largely coaxial cable, with multisystem operators (MSOs) as service providers, while telephony is largely delivered over twisted wire pairs by incumbent local-exchange carriers, or ILECs. The two-way nature and quality of telephony make aggregation, multiplexing and switching essential, and thus the telephone and TV physical networks differ in marked ways.

Both MSOs and the ILECs have, over time, created efficient networks, and the providers can be viewed as vertically integrated: They own the networks that deliver their services. Both entities saw potential markets in the intermediate area of data communications, which could provide personalized entertainment, be consumed as an end in itself or enhance communications services. This seemed a natural extension for the ILECs, since those services required point-to-point connections, while regulatory and technical reasons prevented MSOs from entering.

This space was intended for FTTH: The services would need more bandwidth than the copper plant allowed and would need a new architecture, but revenues from new services such as video-on-demand (VOD) were expected to support a fiber buildout. Developments in the 1980s, however, dramatically altered the landscape. Advances in linear lightwave technology enabled CATV trunks with cascaded amplifiers to be replaced with high-bandwidth, high-fidelity optical analog transmission links to local nodes.

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  • Contact Us

    Add: No.101 B.S. Industrial Zone, Wangniudun Town, Dongguan City, Guangdong, China
    Tel: +86-769-81209595
    Mob: +8613242086178 (WeChat or Whatsapp)
    E-mail: milton@hgcable.cc
    Helen Golden: helen@hgcable.cc

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