FTN D&D specs & typical drawings
The FTN (D&D) design manuals, cable and route specs, labelling and as-built rules, plus the typical drawings for spurs, nodes, joint bays and manholes.
- SP FTN (D&D) 008Network Design Manual for Optical Fibre
The core fibre design manual for the FTN: how Core and Access Nodes connect, where joints and spurs go, which fibres and tubes are allocated to what, resilience rules and how to work out the loss budget. Essential for anyone producing a detailed fibre design.
55 clauses mapped
- SP FTN (D&D) 009Network Design Manual for Copper Cable
The FTN copper cable design manual: how a designer sizes, routes and immunises lineside copper sections between nodes, where cabinets and BOPs go, pair allocation and DSL limits in AC, DC and non-electrified areas.
75 clauses mapped
- SP FTN (D&D) 004Renovation and Construction of New Cable Route
Route-works specification for FTN/GSM-R contractors: how to build new lineside cable route (DI-SAC, concrete troughing, elevated route, ducts, manholes, cabinets) and renovate existing troughing. Designers use it to know what the detailed design must specify.
76 clauses mapped
- SP FTN (D&D) 005Jointing, Terminating and Testing Optical Fibre and Copper Telecommunications Cables
The installer's rulebook for joining, terminating and commissioning-testing FTN fibre and copper cables. Designers use it for sheath gap rules, splice and termination arrangements, free-issue kit names, splice loss acceptance figures and the OTDR/insertion loss test regime that the design pass marks feed.
33 clauses mapped
- SP FTN (D&D) 016Specification for Identification and Labelling of Network Elements
Defines how FTN cables, joints, cabinets, nodes and screening conductors get a unique identifier and how each is physically labelled. Used by routeworks contractors and designers to self-generate IDs that feed the as-built records.
33 clauses mapped
- SP FTN (D&D) 017Specification for As-Built Records for Cables and Cable Route
Sets out the data fields the As-Built spreadsheet must hold for every FTN cable, joint, termination, cabinet, screening conductor and route element, and which phase (survey, design, construction) fills them. Used by surveyors, designers and routeworks contractors.
35 clauses mapped
- SP FTN (SU) 001Survey of Cable Routes
The FTN cable and cable route survey specification: what a surveyor must record about existing troughing, manholes, crossings and buildings, how to decide renovate versus new route or DI-SAC, and how to survey for fibre and copper cable lengths, joints and cabinets.
70 clauses mapped
- FTN&GSM-R ENG SP 008Requirements for Cable and Route Design Submissions
Defines the format and minimum contents of an FTN cable and route design submission (design pack): title page, SLD, schedules, splicing diagram, BoQ, concessions, Form C1. Used by designers assembling a pack and by checkers reviewing one.
31 clauses mapped
- SP FTN (D&D) 003Screening Conductors for Immunisation of Telecommunications Cables
Product specification for the single-core PVC-insulated aluminium screening conductor used to immunise telecoms cables in ac electrified areas. Designers use it for the two conductor sizes, sheath marking, factory tests, drumming and Product Acceptance.
19 clauses mapped
- SP FTN (D&D) 006Joint, Termination and Test Aluminium Screening Conductors
How new aluminium screening conductors on the FTN are jointed, terminated, earthed and tested. Designers use it for earth-tap spacing, earth farm siting exclusions, the resistance-to-earth target and the continuity test method.
19 clauses mapped
- SP FTN (D&D) 007Hand Pulling of Telecommunications Cables
Short working instruction for contractors hand-pulling fibre, copper and screening cables into troughing and ducts on FTN works. Designers use it for drum records, direction of lay, joint placement near UTXs, access node loops and in-building fixing.
15 clauses mapped
- SP FTN (D&D) 010Telecommunications Optical Fibre Cables
Procurement spec for the FTN's standard 24-fibre singlemode cables (armoured, duct and ZHLS). Designers use it to check cable construction, tube and fibre colour codes, bend radius, attenuation figures, supply lengths and what the product acceptance tests prove.
79 clauses mapped
- SP FTN (D&D) 011Optical Fibre Terminations and Accessories
Product spec for the FTN's optical termination kit: termination trays, uniters, patchcord management, cable manifolds and the rack, wall-box and free-standing housings they fit in. Designers use it to understand ODF capacity, tray rules and the space allowed in trackside housings and REBs.
21 clauses mapped
- SP FTN (D&D) 012Optical Fibre Tail Cable Assemblies
Product spec for FTN optical pigtails and patchcords: the buffered and ruggedised tail cable they are made from, the SC/APC and FC/PC connectors, and the acceptance and production tests a supplier must pass.
62 clauses mapped
- SP FTN (D&D) 013Specification for Lineside Cabinets Without Climate Control
Product spec for the unpowered FTN distribution cabinet and its bolt-on DSL repeater housing: construction, security, environment, backplane layout, Mondragon VX verticals, through jumpers, labelling and acceptance tests. Useful when siting or specifying copper distribution cabinets.
70 clauses mapped
- SP FTN (D&D) 015Environmental Testing of Copper Cable Termination Practices
Test specification used to compare candidate copper termination blocks (Mondragon VX, Telsplice, Entrelec, 2BA link, Weidmuller, Porta Systems) under damp-heat cycling in an unconditioned cabinet. Background to why the FTN chose the VX module for lineside cabinets.
22 clauses mapped
- SP FTN (D&D) 020Pre-terminated Optical Fibre Cable Assemblies
Product specification for factory pre-terminated fibre cables (external cable with connectorised pigtails, no splice) used where there is no room for an ODF. Designers use it for connector options, lengths, pigtail colours and acceptance test criteria.
56 clauses mapped
- FTN&GSM-R QM WI 046Detailed Site Survey Guidelines
Work instruction for surveying and choosing GSM-R base station and FTN node sites: mandatory distance and siting criteria, desirable criteria, and the Excel site survey questionnaire with its panoramic photo requirements. Used by site surveyors and cell planners.
10 clauses mapped
- DR FTN (D&D) 003Spur Cable Arrangement: 1 Tube Spurred
How a single loose tube is broken out of the trunk fibre at a joint and spurred to a site, with the trunk fibres passed through.
- DR FTN (D&D) 007Fibre Cabling Arrangement at Access Node, SR Site
Typical fibre cabling for an access node at a sub-regional (SR) site: trunk in and out, spur, ODF and node equipment.
- DR FTN (D&D) 009Fibre Cabling Arrangement at a Core Node Site
Typical fibre cabling at a core node: multiple trunk routes, ODF layout and the way the core equipment is fed.
- DR FTN (D&D) 013Fibre Section Sample Drawing
Worked example of a fibre section drawing: how joints, spurs, nodes, cable IDs and mileages are shown on a section.
- DR FTN (D&D) 022Typical Copper Section on a Fibre Line in an AC Electrified Area
Copper cable section between access nodes on a fibred line under AC electrification: distribution cabinets, joints, screening conductor, FTE gapping and earths.
- DR FTN (D&D) 026Typical Configuration Showing Successive and Adjacent Feeding of SPTs
How signal post telephones are fed along a copper section: successive feeding down the cable versus adjacent feeding from a cabinet, with 2-pair tails.
- DR FTN (D&D) 030FTN Labelling Plan for 1 Cable on a Fibred Line
How fibre and copper cables, joints, spurs and cabinets are labelled (F-xxxx-yyyy-A, C-xxxx-yyyy-A style) when one cable runs the section. Read with 031–034.
- DR FTN (D&D) 044Manhole for Undertrack, Under-road and Farm Crossing
Typical brick manhole at a UTX / under-road / farm crossing: plan and sections, duct entry, cover, soakaway, and the set-back from the sleeper end.
- DR FTN (D&D) 052Route Support (Typical Design)
Two ways of supporting troughing on a bank or hard shoulder: angle-iron posts (sheet 1) and concrete ballast boards with posts (sheet 2).