Key Telephone Systems Working Practices Southwestern Bell June 1969 Sections: foreword Part 1, general information, safety, first aid, tools 010-100-001 iss 3 First Aid 010-100-010 iss 1 First Aid - Prevention of and First Aid for Skin Irration from Cresote 010-100-011 iss 1 First Aid - Rescue of Employees from Manhole 010-100-012 iss 1 First Aid - Rescue of Employee from Pole 010-100-013 iss 1 First Aid - Rescue of Person from Live Wire on Ground 075-160-301 iss 2 Screwdrivers - Selection, Use and Maintenance 080-120-101 iss 1 Grounding Portable Electric Power Tools 081-710-200 iss 4 Insulating Gloves, Leather Protectors, Fabric Liners and Glove Bag 081-720-101 iss 1 Leather Body Belts - Description and Maintenance 081-721-101 iss 1 Fabric Body Belts and Safety Straps - Description and Use 081-730-101 iss 1 Climbers 081-740-105 iss 1 Extension Ladders and Attachments - Description and Use 105-270-100 iss 1 KS-16990, L1 Test Set Part 2, Common Equipment, Power, Wiring and Cable, Connecting Blocks, Buzzers 167-400-200 iss 3 Power Plants - General Installation Requirements 167-400-210SW iss A Power Cord Plug Retainer Assemblies - Power Cord Plug 167-400-210 iss 2 Adapters for Use with power Plant and Equipment Located on Customer's Premises - Identification and Installation 167-416-201 iss 7 101G (J86731) Power Plants - Identification, Installation and Connections 167-419-202 iss 4 101J (J86471B, List 1) Power Plant Identification, Installation and COnnections 167-446-101 iss 1 Power Units 29 and 30 Type Identification, Installation and COnnections 167-447-101 iss 1 Power Units 34B1 and 34C1 Identification, Installation and COnnections 461-200-102 iss 1 Adapters - 148, 149, 153 and 3-way Bridging Types - Identification 461-200-201 iss 6 Separation and Mechanical Protection for Wire and Cable 461-200-210 iss 3 Station Wire and Cable - Attaching and Fastening 461-300-101 iss 2 Conduit, Underfloor Duct and Fittings - Identification, Placing Wire and Cable 461-350-100 iss 4 Overfloor Ducts and Associated Fittings - Identification and Installation 461-600-101 iss 1 Connecting Blocks - Designation Strips and Methods of Marking 461-602-100 iss 1 Connecting Blocks - 42A, 44A and 47 Type - Identification, Installation and Wiring 461-604-100 iss 1 Connecting Blocks, 66 Type - Tools, Terminating Adapters and Maintenance 461-604-101 iss 1 Connecting Blocks, 66 Type - Numbering and Wiring Plan 461-604-102 iss 1 Connecting Blocks, 66A, B, C and M1 Type - Identification 461-604-103 iss 1 Connecting Blocks, 66E3-15 and 66E4-25 - Identification and Installation 463-130-100 iss 8 Backboards - Identification and Installation 463-210-100 iss 3 Lamp indicators Part 3, Telephone Sets, Key Telephone - Call Directors 500-124-180 iss 4 Station Sets - Selection for Specific Use or Purpose 500-155-100 iss 2 Key Telephone Sets - Dial Restriction Using 420B Diode 500-815-200 iss 1 Packing and Handling Disconnected 400 Type KTU's 501-120-400 iss 3 Buzzers and Bells - Connections and Limitations 501-150-102 iss 2 Designation Strips and Cards 502-510-407 iss 4 Telephone Sets - 500R/S - Connections 502-515-400 iss 5 Telephone Sets - 502, 510 and 511 Types - Connections 502-515-401 iss 4 Telephone Sets - 558 Type - Connections 502-525-404 iss 2 Telephone Sets - 564 HDR - Common Battery - Connections 502-525-405 iss 2 Telephone Sets - 565 HDR - Common Battery - Connections 502-525-406 iss 4 Key Telephone Sets - 565 LDR - Connections 502-525-408 iss 2 Telephone Sets - 565 LK - Connections 502-525-409 iss 2 Telephone Sets - 565 GK - Connections 502-525-410 iss 5 Telephone Sets - 564 HK and 564 HL - Connections 502-525-411 iss 4 Telephone Sets - 565 HK - Connections 502-525-425 iss 6 Telephone Sets - 1564 HK and 1564 HL - Connections 502-525-426 iss 5 Telephone Sets - 1565 HK - Connections 502-525-427 iss 5 Telephone Sets - 1565 LK - Connections 502-525-434 iss 1 Telephone Sets - 2564 HL - Connections 502-525-436 iss 1 Telephone Sets - 2565 HK - Connections 502-525-437 iss 1 Telephone Sets - 2565 LK - Connections 502-630-401 iss 7 Telephone Sets - 630 and 631 Types - Connections 502-630-411 iss 1 Telephone Sets - 1630 and 1631 Types - Connections 502-634-401 iss 8 Telephone Sets - 634 and 635 Types - Connections 502-634-411 iss 1 Telephone Sets - 1634 and 1635 Types - Connections 502-660-102 iss 1 Telephone Sets - 662 and 664 Types - Identification, Installation and Maintenance 502-660-402 iss 1 Telephone Sets - 662 Type - Connections Part 4, Station Keys, Dialers, Speakerphones 512-125-100 iss 2 KS-19594 Dialer - Descriptions and Operation 512-125-400 iss 4 KS-19594 Dialer - Connections 512-210-101 iss 1 Separately Mounted Keys - 6017 and 6026 Lever Types - Identification, Installation and Connections 512-210-103 iss 3 Separately Mounted Keys - 6040, 6041, 6050 and 6051 Types - Identification, Installation and Connections 512-220-100 iss 5 Pushbutton Keys - 549 and 551 Types - Identification, Installation, Maintenance and Connections 512-230-100 iss 4 Switching and Pushbutton Keys - Modular Type - Identification, Installation and Maintenance 512-230-101 iss 2 Modular Units, Lamp Sockets and Apparatus Blanks 512-610-100 iss 2 1A and 1A1 Speakerphone Systems - Identification 512-610-101 iss 2 1A and 1A1 Speakerphone Systems - Operation 512-610-200 iss 1 1A and 1A1 Speakerphone Systems - Installation and Maintenance 512-610-400 iss 2 1A and 1A1 Speakerphone Systems - Connections 512-620-100 iss 4 Speakerphone System - 3 Type - Identification and Operation 512-620-200 iss 4 Speakerphone System - 3 Type - Installation and Maintenance 512-620-403 iss 3 Speakerphone System - 3A - The Call Director - Connections 512-620-410 iss 1 Speakerphone System - 3 Type - 500 R/S Telephone Set - Connections and Maintenance 512-620-420 iss 1 Speakerphone System - 3 Type - 565 Type Telephone Sets - Connections and Maintenance 512-620-440 iss 1 Speakerphone System - 3 Type - 630 Type Telephone Sets - Connections and Maintenance 512-621-402 iss 1 Speakerphone System - 3 Type - 1500S Telephone Sets - Connections and Maintenance 512-621-415 iss 1 Speakerphone System - 3 Type - 1565-Type Telephone Sets - Connections Part 5, Key Telephone Units, Dial Intercom, Key Service Units 518-110-200 iss 3 1A, 1A1 and 1A2 Key Telephone Systems, Installation 518-112-100 iss 1 1A Key Telephone Systems, Connection Data, List of Sections 518-112-400 iss 1 1A Key Telephone System, Power Supply Connections 518-112-402 iss 1 1A and 1B Key Telephone Units, Hold Circuit, Connections 518-112-406 iss 1 6B and 6C Key Telephone Units, Supervisory and Busy Lamp Circuits, Connections 518-112-409 iss 1 13C Key Telephone Unit, 2-Way Automatic Signalling, Intercommunicating Circuit, Connections 518-112-411 iss 1 16A and 20A key Telephone Units, Common Audible Control Circuits, Connections 518-112-414 iss 1 19B Key Telephone Unit, Lamp Flashing Circuit, Connections 518-112-415 iss 1 22 type Key Units, DC lamp Resistance Circuit, Connections 518-112-419 iss 1 34A Telephone Units, Make-Busy Lamp and Key Circuit for Central Office or PBX Lines, Connection 518-114-400 iss 3 1A1 Key Telephone System, Power Supply Connections to Key Telephone Units, Connection Data 518-114-403 iss 3 1A1 Key Telephone System, Central Office or PBX Line Circuits and Common Equipment 202C/D, 230A/B, 238A, 239A, 232A/B, 209A, 212A, Key Telephone Units, Connections 518-114-411 iss 3 1A1 Key Telephone System, Audible Signal Control, Interrupted Common Audible Signal, Using 16A or 211A Key Telephone Units, Connections 518-114-420 iss 3 1A1 Key Telephone System, Dial Selective Intercommunicating Lines, Busy Lamps and Audible Signal, Using 207A, 207B and 207C Key Telephone Unit, Connection Data 518-210-402 iss 6 200H Type Key Telephone Units, Identification, Installation, Connections and Maintenance 518-220-400 iss 2 400A, B, C and D Type Key Telephone Units, Identification, Installation, Connections and Maintenance 518-220-401 iss 1 401A Key Telephone Unit, Identification, Installation, Connections and Maintenance 518-240-100 iss 1 Key Service Units, 300, 301, 302, 310 and 311 Types, Identification and Description 518-240-400 iss 2 Key Service Units, 300, 301 and 302 Types, Connections and Maintenance 518-240-401 iss 2 Key Service Units, 310 and 311 Types, Connections and Maintenance 518-250-101 iss 3 Key Service Units, 501 and 502 Types, Identification and Installation 518-250-401 iss 1 Key Service Units, 501 and 502 Types, Connections 518-255-101 iss 3 Key Service Units, 550 and 551 Types, Identification and Installation 518-255-401 iss 4 Key Service Units, 550 and 551 Types, Connections and Maintenance 518-270-101 iss 2 Panels, 583 and 584 Types, Identification and Installation 518-270-401 iss 4 Panels, 583 and 584 Types, Connections and Maintenance 518-300-100 iss 1 Centralized Key telephone Installations 518-310-113 iss 1 247A Key Telephone Unit, Identification, Installation and Maintenance 518-310-114 iss 1 247B Key Telephone Unit, Identification, Installation and Maintenance 518-310-405 iss 4 Station Line Concentrators, 235 and 236 type Key Telephone Units, Identification and Connections 518-310-407 iss 5 1A, 1A1 and 1A2 Key Telephone Systems, Bridging Circuits for conferencing on Two PBX lines, 237A and B Key Telephone Units 518-410-400 iss 5 6A Key Telephone System, 216A Transfer Circuit Selector Only, Connections