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$ cat EIA_TIA12F.tsv

EIA/TIA 598 (12F)

The actual standard, not a manufacturer's take on it. One 12-color sequence drives both tube and fiber-position axes. Six layers of 16 tubes each, since a cable this size stacks tubes in rings around a central member — layer 1 is innermost.

Color order (tube & fiber): Blue Orange Green Brown Grey White Red Black Yellow Purple Pink Aqua
Layer 1 · fibers 1–192
Tube 1Tube 2Tube 3Tube 4Tube 5Tube 6Tube 7Tube 8Tube 9Tube 10Tube 11Tube 12Tube 13Tube 14Tube 15Tube 16
11325374961738597109121133145157169181
21426385062748698110122134146158170182
31527395163758799111123135147159171183
416284052647688100112124136148160172184
517294153657789101113125137149161173185
618304254667890102114126138150162174186
719314355677991103115127139151163175187
820324456688092104116128140152164176188
921334557698193105117129141153165177189
1022344658708294106118130142154166178190
1123354759718395107119131143155167179191
1224364860728496108120132144156168180192
Layer 2 · fibers 193–384
Tube 1Tube 2Tube 3Tube 4Tube 5Tube 6Tube 7Tube 8Tube 9Tube 10Tube 11Tube 12Tube 13Tube 14Tube 15Tube 16
193205217229241253265277289301313325337349361373
194206218230242254266278290302314326338350362374
195207219231243255267279291303315327339351363375
196208220232244256268280292304316328340352364376
197209221233245257269281293305317329341353365377
198210222234246258270282294306318330342354366378
199211223235247259271283295307319331343355367379
200212224236248260272284296308320332344356368380
201213225237249261273285297309321333345357369381
202214226238250262274286298310322334346358370382
203215227239251263275287299311323335347359371383
204216228240252264276288300312324336348360372384
Layer 3 · fibers 385–576
Tube 1Tube 2Tube 3Tube 4Tube 5Tube 6Tube 7Tube 8Tube 9Tube 10Tube 11Tube 12Tube 13Tube 14Tube 15Tube 16
385397409421433445457469481493505517529541553565
386398410422434446458470482494506518530542554566
387399411423435447459471483495507519531543555567
388400412424436448460472484496508520532544556568
389401413425437449461473485497509521533545557569
390402414426438450462474486498510522534546558570
391403415427439451463475487499511523535547559571
392404416428440452464476488500512524536548560572
393405417429441453465477489501513525537549561573
394406418430442454466478490502514526538550562574
395407419431443455467479491503515527539551563575
396408420432444456468480492504516528540552564576
Layer 4 · fibers 577–768
Tube 1Tube 2Tube 3Tube 4Tube 5Tube 6Tube 7Tube 8Tube 9Tube 10Tube 11Tube 12Tube 13Tube 14Tube 15Tube 16
577589601613625637649661673685697709721733745757
578590602614626638650662674686698710722734746758
579591603615627639651663675687699711723735747759
580592604616628640652664676688700712724736748760
581593605617629641653665677689701713725737749761
582594606618630642654666678690702714726738750762
583595607619631643655667679691703715727739751763
584596608620632644656668680692704716728740752764
585597609621633645657669681693705717729741753765
586598610622634646658670682694706718730742754766
587599611623635647659671683695707719731743755767
588600612624636648660672684696708720732744756768
Layer 5 · fibers 769–960
Tube 1Tube 2Tube 3Tube 4Tube 5Tube 6Tube 7Tube 8Tube 9Tube 10Tube 11Tube 12Tube 13Tube 14Tube 15Tube 16
769781793805817829841853865877889901913925937949
770782794806818830842854866878890902914926938950
771783795807819831843855867879891903915927939951
772784796808820832844856868880892904916928940952
773785797809821833845857869881893905917929941953
774786798810822834846858870882894906918930942954
775787799811823835847859871883895907919931943955
776788800812824836848860872884896908920932944956
777789801813825837849861873885897909921933945957
778790802814826838850862874886898910922934946958
779791803815827839851863875887899911923935947959
780792804816828840852864876888900912924936948960
Layer 6 · fibers 961–1152
Tube 1Tube 2Tube 3Tube 4Tube 5Tube 6Tube 7Tube 8Tube 9Tube 10Tube 11Tube 12Tube 13Tube 14Tube 15Tube 16
961973985997100910211033104510571069108110931105111711291141
962974986998101010221034104610581070108210941106111811301142
963975987999101110231035104710591071108310951107111911311143
9649769881000101210241036104810601072108410961108112011321144
9659779891001101310251037104910611073108510971109112111331145
9669789901002101410261038105010621074108610981110112211341146
9679799911003101510271039105110631075108710991111112311351147
9689809921004101610281040105210641076108811001112112411361148
9699819931005101710291041105310651077108911011113112511371149
9709829941006101810301042105410661078109011021114112611381150
9719839951007101910311043105510671079109111031115112711391151
9729849961008102010321044105610681080109211041116112811401152