Index of /strowger/SXS-WE

 NameLast modifiedSizeDescription
 Parent Directory  -  
 Number_One_Step-By-Step_Training_Manual_Vol_II_-_Sequence_Charts_and_Operational_Sketches_tci BIG BOOK schoolboook.pdf2026-02-23 11:33 2.4M 
 Selector-and-Connector_Intercept_Circuits.pdf2026-01-22 19:25 693K 
 western electric logo.pdf2026-01-22 12:22 86K 
 FXO FXS abstracted diagrams.pdf2026-01-22 12:13 114K 
 SD-31779-01-Iss28-Reordered.pdf2026-01-19 16:20 7.6M 
 intercept ckts for selector and connector.pdf2026-01-19 15:51 704K 
 outgoing trunk repeater circuit - SELECTOR version WS2022.pdf2026-01-05 19:05 422K 
 PBX shelf elevation layout 5 (as-built).pdf2025-09-15 19:29 55K 
 AT&T+SXS_schoolbook-p33 line ckt+LF.pdf2025-07-08 12:48 48K 
 ED-31737-30-Local1RingConn_bc.pdf2025-07-08 12:48 119K 
 CD-65949-01 Connector Sw. Ckt clarified 2 BW OCR.pdf2025-05-20 16:50 276K 
 book/2025-05-18 14:17 -  
 trunk-circuit-outgoing-repeater-from-selector-to-ATA-555-or-PBX.pdf2025-05-03 10:21 188K 
 CS-SD-31592-02-i17- coin trunk DAK.pdf2025-05-03 08:32 117K 
 Coin trunk timers notes.pdf2025-05-03 08:31 552K 
 LED indicators for Coin Trunk CC & CR using T & GND.pdf2025-05-03 08:30 1.1M 
 notes on distance dialing nodd1968.pdf2025-04-01 10:43 14M 
 CS-SD-31592-02-i18a.pdf2025-04-01 10:42 121K 
 31592 Coin Trunk Relay Timeline .pdf2025-04-01 10:41 75K 
 relays, 162, 2, 1987-12-01.pdf2025-04-01 10:41 265K 
 relays, 162, 1, 1924-04-15.pdf2025-04-01 10:41 528K 
 CS-SD-31592-02-19.pdf2025-04-01 10:41 120K 
 SD-66073-01_bc.pdf2025-04-01 10:40 155K 
 basic 555Timer ckt for cadence & interrupters.pdf2025-04-01 10:40 139K 
 CS-SD-30919-01-i07-1b.pdf2025-04-01 10:40 4.2M 
 Line relay CO showing diode inserted with shrink tubing pulled back.jpg2025-04-01 10:40 1.2M 
 line-relays-LAMPS-CALLED-CALLER-path-annotated.pdf2025-04-01 10:39 637K 
 546-400-111_i1_Nov29_-_740C_PBX_-_General_Description_tci-ocr.pdf2025-04-01 10:39 5.5M 
 waveforms-8-line-random-autodialer-test-demonstration-2024.png2025-04-01 10:39 69K 
 SXS_Line_finder Kerr.pdf2025-04-01 10:38 1.4M 
 SD 81337 806GTonePlant.pdf2025-04-01 10:38 1.2M 
 Selector B relay SJ5 differences 31933 66359.pdf2025-04-01 10:38 234K 
 ED-31933-31 or 4-Wire Selector Arranged to Absorb Digits Once or Repeatedly 1945-ocr cropped schem(better).pdf2025-04-01 10:37 1.0M 
 butt-set-flexible-interchangeable-connection-ends.png2025-04-01 10:37 2.1M 
 shelf jack terminal numbering card 2025a.pdf2025-04-01 10:37 37K 
 switch-pinout-shelf-jack+.pdf2025-04-01 10:37 525K 
 wiring color charts cover.tif2025-04-01 10:36 2.8M 
 schematics collection book cover.tif2025-04-01 10:36 6.6M 
 WE SD-65949-01 Connector Ckt - Rotary Hunting.pdf2025-04-01 10:36 253K 
 SD-66144 ROT CONN SXS-SD1063-i01.pdf2025-04-01 10:35 31K 
 66144 marked for path to add a relay for DT as standalone connector.pdf2025-04-01 10:35 3.9M 
 shelf jack terminal numbering card 2025.pdf2025-01-17 11:30 69K 
 CS-SD-30919-01-i01c Reverting Selector.pdf2024-07-23 16:12 43K 
 SD-30919-01-90 (002).pdf2024-07-23 16:12 5.0M 
 SD-30919-01-90 (002)cropped.pdf2024-07-23 16:11 5.0M 
 Line&CO relay strip 32133 restricted.pdf2024-07-11 08:20 1.2M 
 line-relays-path-annotated-with-LEDs-for-CALLER-CALLED.pdf2024-06-06 19:16 158K 
 colin-chambers-coin-operated-pre-pay-telephone-preliminary.pdf2023-07-23 08:55 892K 
 SD-31592-02-i38 coin trunk.pdf2023-02-13 11:24 392K 
 SD-31592-02_iss38coin trunk.pdf2023-02-02 19:49 19M 
 150GJ-55B Gray coin box paystation.pdf2022-12-13 12:19 574K 
 SD-31592-02-i38A-02-coin-trunk.pdf2022-12-09 16:15 900K 
 SD-31592-02_iss38 coin trunk.pdf2022-11-16 12:19 3.0M 
 SD-31592-01_iss38 coin trunk.pdf2022-11-15 12:30 1.8M 
 CD-31592-01 07D Coin Trunk Prepay.pdf2022-11-11 18:08 50M 
 CD-31592-02 07D coin trunk prepay.pdf2022-11-11 18:08 33M 
 CD-31952-01 (1) selector absorbing.pdf2022-10-19 13:44 322K 
 SD-69513-01_iss07_1a2-ktus.pdf2022-10-18 16:41 555K 
 SD-32539-01 coin trunk.pdf2022-10-18 11:30 2.9M 
 CD-32539-01 coin trunk.pdf2022-10-18 11:30 1.4M 
 ED-31114 Toll Rotary Hunt COnnector.pdf2022-07-19 15:34 83K 
 SD-65901-01 Line or Trunk Finder Circuit - 701A-B 701PK 702A 711A-B 711PK tci-ocr.pdf2021-11-27 14:11 3.6M 
 SD-65901-01 Line or Trunk Finder Circuit.pdf2021-11-27 14:11 246K 
 66144 ROT CONN observed waveforms data logger.pdf2021-09-21 19:18 35K 
 SD-31531 coinbox pay phone 31531-31533 SD CD.pdf2021-08-09 15:28 37M 
 SD-31811 local combination 10-party connector no ROT hunt.pdf2021-03-05 17:25 1.5M 
 ED-31933-31 or 4-Wire Selector Arranged to Absorb Digits Once or Repeatedly.pdf2021-02-25 18:22 15M 
 ED-31933-31 or 4-Wire Selector Arranged to Absorb Digits Once or Repeatedly opt.pdf2021-02-25 18:21 1.2M 
 SD-55242-01_iss32 toll selector.pdf2021-02-20 17:44 38M 
 SD-65900 DA SELECTOR.pdf2021-02-20 17:44 24M 
 SD-31327-01_iss17 toll connector.pdf2021-02-20 17:43 11M 
 SD-31779-01-Iss24_28 trunk repeater.pdf2021-02-20 17:43 7.6M 
 CD-31779-01_iss05.pdf2021-02-20 17:42 418K 
 SD-31779-01-1_iss28.pdf2021-02-20 17:22 3.8M 
 SD-31779-01-1_iss28 schem.pdf2021-02-20 17:21 1.1M 
 55242 first selector conversion from toll to local SXS-SD1053-01C proposed optimization.pdf2021-02-06 15:23 4.0M 
 DTMF mixer+LPfilter+amp ckt.pdf2021-01-24 16:40 140K 
 DTMF tonepulse 216-251-900PT_IA.pdf2021-01-23 19:59 1.0M 
 SXS-SK1056-I03 30215 busy hunt operational annotated schematic.pdf2021-01-07 09:57 56K 
 Teltone_ M-164_bc DTMF-to-pulse.pdf2021-01-02 18:02 6.7M 
 Teltone_ M-164_bc DTMF to pulse.pdf2021-01-02 16:58 16M 
 SD-65900-01_iss12 d-a selector schematic only.pdf2021-01-02 16:56 1.2M 
 SD-65900-01-1_iss12 d-a selector.pdf2021-01-02 16:26 14M 
 SD-65900-01-1_iss12 d-a selector schematic only.pdf2021-01-02 16:25 1.6M 
 SD-66144-012_Connector_701B rotary hunt.pdf2021-01-02 12:18 299K 
 SD-30976-01 D-A Selector.pdf2021-01-02 12:16 1.0M 
 CR-007S-B Trunk_Dial-Thru_Selector to Loop.pdf2021-01-02 12:14 348K 
 SXS_relay_terminals-02-i02.pdf2021-01-02 12:13 14K 
 SXS_relay_terminals-01-i02.pdf2021-01-02 12:13 18K 
 SD-33013 Line finder 200pt.pdf2021-01-02 12:13 1.3M 
 SD-31114-01_iss21 toll rotary hunt connector.pdf2021-01-02 12:08 5.2M 
 SD-66359-01 - FIRST SELECTOR CIRCUIT - Restricted Service - Replaces SD-66139 tci-ocr.pdf2020-12-27 17:19 1.9M 
 SXS-SD1052-i10a TOLL selector 55242.pdf2020-12-26 18:31 37K 
 SXS-SD1065-i03 31530 33013 LOCAL LINE FINDER.pdf2020-12-25 19:24 673K 
 switch-pinout-shelf-jack.pdf2020-12-09 19:27 796K 
 Line&CO relay strip 32133.pdf2020-11-27 19:27 1.2M 
 GG MR ringing current shelf schematic.pdf2020-11-22 20:59 30K 
 SD-31114-01_iss21 toll rotary connector.pdf2020-10-24 15:45 5.2M 
 SD-31811-01_iss26 connector.pdf2020-10-23 15:43 7.4M 
 SD-31088 vertical level hunt connector.pdf2020-10-23 15:37 1.7M 
 31114 Toll Rotary Connector.pdf2020-10-23 14:38 44K 
 relays, 252, 2, 1979-04-30.pdf2020-09-16 17:22 404K 
 relays, 252, 1, 1940-02-26-1 repeater trunk 31779.pdf2020-09-16 17:22 487K 
 CD-66073-01_bc.pdf2020-09-05 17:28 430K 
 SD-66073-01_bc PBX tester.pdf2020-09-05 17:28 159K 
 CD-31088-01-i8-d.pdf2020-08-22 14:50 3.6M 
 SD-30976 3or4 Wire Selector D-A.pdf2020-08-22 14:50 1.3M 
 SD-30976-01.pdf2020-08-22 14:50 1.0M 
 ED-30976 3or4 Wire Selector (1).pdf2020-08-22 14:50 437K 
 ED-30976 3or4 Wire Selector.pdf2020-08-22 14:50 437K 
 SD-31088-01-3.pdf2020-08-22 14:50 1.8M 
 SD-31088-01-2.pdf2020-08-22 14:50 1.7M 
 SD-31088-01-1.pdf2020-08-22 14:50 2.1M 
 SD-33013-200pt LF-350-355-360A_bc.pdf2020-08-22 14:50 1.3M 
 CD-33013-i4D-No1_350A_355A_360A_35-E-97_200_Point_Linefinder_Trunk_Finder_3-Wire.pdf2020-08-22 14:50 684K 
 CD-31088 level hunt.pdf2020-08-21 09:52 9.2M 
 Wire_Spring_Relays_X-75509.pdf2020-03-19 12:18 48M 
 SXS-SD1058-i01.pdf2020-03-05 07:49 48K 
 ED-31933-31 or 4-Wire Selector Arranged to Absorb Digits Once or Repeatedly 1945-ocr.pdf2020-02-18 14:14 1.0M 
 SXS-SK1151-i04.pdf2020-02-18 14:14 46K 
 SXS-SD1052-I09 intertoll selector D-A ED--55242-G11.pdf2020-02-18 14:14 37K 
 SXS-SD1057-i03.pdf2020-02-18 14:14 35K 
 SXS-SD1051-i04.pdf2020-02-18 14:14 36K 
 SXS-KS1001-i03.pdf2020-02-18 14:14 28K 
 SXS-presentation-slides-Shandong-Wang.pdf2020-02-18 09:16 591K 
 SXS-SK1056-I03.pdf2020-02-05 12:08 56K 
 SXS-SD1053-i02 toll selector coverted to Local selector digit absorbing.pdf2020-02-04 09:42 59K 
 three-steppers-annotated.jpg2020-01-27 15:46 543K 
 WXS-SD1055-i02.pdf2020-01-27 15:19 32K 
 WXS-SD1053-i02.pdf2020-01-27 15:19 33K 
 SXS-SK1201-i01.pdf2020-01-27 15:19 23K 
 SXS-SK1101-i01.pdf2020-01-27 15:19 25K 
 SXS-SK1052-i02 55242 D-A toll selector HOW IT WORKS for trunk hunting.pdf2020-01-27 15:19 107K 
 SXS-SD1056-i04 local rotary hunting connector.pdf2020-01-27 15:19 37K 
 SXS-SD1055-i01.pdf2020-01-27 15:19 24K 
 SXS-SD1054-i01 31327 converted from toll to LOCAL CONNECTOR.pdf2020-01-27 15:19 39K 
 040-013-711_I7D.pdf2020-01-27 14:59 392K 
 005-120-103-OCR.pdf2020-01-27 14:58 2.5M 
 005-109-101_I3.pdf2020-01-27 14:58 3.4M 
 115077.pdf2020-01-27 14:57 77K 
 patent-2377453-Rhoads-1945.pdf2020-01-27 14:57 650K 
 069-132-811_tl.pdf2020-01-27 14:56 535K 
 BLR_1941-05_SXS_Intertoll_Dialing_p1-5.pdf2020-01-27 14:55 956K 
 TN-SXS_relay_coil_terminals-i01A.pdf2020-01-27 14:55 94K 
 SXS-SK1052-WP.pdf2020-01-27 14:53 106K 
 relays, 221, 10, 1987-12-01-1.pdf2020-01-27 14:53 464K 
 switches, 197, 2, 1981-03-31.pdf2020-01-27 14:53 797K 
 switches, 197, 1, 1968-04-30.pdf2020-01-27 14:53 601K 
 banks, 52, 1, 1984-10-31.pdf2020-01-27 14:53 516K 
 banks, 42, 1, 1984-10-31.pdf2020-01-27 14:53 613K 
 banks, 41, 1, 1984-10-31.pdf2020-01-27 14:53 446K 
 banks, 51, 1, 1984-10-31.pdf2020-01-27 14:53 519K 
 WXS-SD1053-i02B.pdf2020-01-27 14:52 33K 
 SXS-SK1052-i02A.pdf2020-01-27 14:52 108K 
 relays, 221, 2, 1956-12-31.pdf2020-01-27 14:52 634K 
 relays, 221, 1, 1953-03-30-2.pdf2020-01-27 14:52 410K 
 relays, 221, 3, 1984-03-30.pdf2020-01-27 14:52 544K 
 030-705-801_I4.pdf2020-01-27 14:51 1.3M 
 030-705-802_I8.pdf2020-01-27 14:51 1.9M 
 030-705-803_I9.pdf2020-01-27 14:51 1.4M 
 030-705-704_I9.pdf2020-01-27 14:51 1.1M 
 030-705-703_I9.pdf2020-01-27 14:51 3.7M 
 030-705-702_I10.pdf2020-01-27 14:51 2.2M 
 030-705-701_I5D.pdf2020-01-27 14:51 1.0M 
 069-501-801_I14.pdf2020-01-27 14:51 1.6M 
 relays, 222, 3, 1981-05-29.pdf2020-01-27 14:50 639K 
 30215 as-built SXS-SD1056-i02.pdf2020-01-27 14:47 445K 
 SXS Switch shelf layout.pdf2020-01-27 14:37 26K 
 proposed line relay ckt for toll switch train context.pdf2020-01-27 14:37 21K 
 31327 plate (chassis) wiring relay terminal number labeled.pdf2020-01-27 14:36 250K 
 Relay-specs-005-120-103-OCR.pdf2020-01-27 14:36 2.5M 
 55242 terminal bottom side wiring picture.pdf2020-01-27 14:35 960K 
 31327 terminal bottom side wiring picture.pdf2020-01-27 14:35 1.7M 
 SD-66144-012_Connector_701B.pdf2020-01-27 14:35 301K 
 CD-66144-012_Connector_701B.pdf2020-01-27 14:35 585K 
 AE_Bulletin801_Feb58_MechanicalPrinciplesOfTelephony.pdf2020-01-27 14:35 15M 
 Number_One_Step-By-Step_Training_Manual_Vol_II_-_Sequence_Charts_and_Operational_Sketches_tci BIG BOOK.pdf2020-01-27 14:34 2.4M 
 WECo-Step-by-Step-PBX_bc.pdf2020-01-27 14:34 662K 
 SXS_Overview-i02.pdf2020-01-27 14:32 1.4M 
 SXS_Line_finder-i05.pdf2020-01-27 14:32 1.3M 
 SXS_Connector-i04.pdf2020-01-27 14:31 606K 
 SXS_Selector-i02.pdf2020-01-27 14:31 523K