Beefchicken Industries

Northern Telecom/Northern Electric SG-1/SG-1A Practices

The production of this system spanned the time period where Northern Electric became Northern telecom, so some of the documents are Northern Electric Practices (NEP), while others are Northern Telecom Practices (NTP).

Available as a single zip archive: sg1-all.zip

NumberIssueTitle
NTP-553-5011-00079-09-04Product Index 553-5011
NTP-553-5011-10077-05-06General Description
NTP-553-5011-10177-04-01Telephone Consoles QCN100 and QCN102 Type Description and Features
NTP-553-5011-15077-04-27Physical Description and Ordering Information
NTP-553-5011-15176-11-29Hotel/Motel Numbering Plans, Translation Tables, Ordering Information, and Records
NTP-553-5011-18077-05-10Engineering Data
NTP-553-5011-18174-11-19Line Circuit Function and Description
NTP-553-5011-18277-04-22COX/FX/WATS Trunks (Gain/Non Gain) Function Description
NEP-553-5011-18374-11-19Loop Signaling Trunk Function and Description
NEP-553-5011-18474-11-26E & M or DX Signaling Trunk Function and Description
NEP-553-5011-18574-11-27Paging Trunk Function and Description
NEP-553-5011-18674-11-25Dictation Trunk Applique Function and Description
NTP-553-5011-18772-02-18Traffic Interface Function and Description
NEP-553-5011-18874-10-23Summary Transmission Characteristics
NTP-553-5011-18977-05-13Music-On Hold CO/FX/WATS Trunk Function and Description
NTP-553-5011-19076-11-29Engineering Data (Hotel/Motel Service)
NEP-553-5011-20074-12-09General Installation Information
NEP-553-5011-20174-11-28Shipping and Receiving
NTP-553-5011-20279-09-21Assembly of Apparatus
NTP-553-5011-20376-11-29Cable Connections at the Cross-Connecting Terminal
NTP-553-5011-20477-05-06Class-of-Service Selection and Feature Strapping
NTP-553-5011-20577-04-27Cable Connections to Miscellaneous Equipment
NTP-553-5011-20677-03-21Tests and Inspection at time of Installation
NTP-553-5011-20777-04-01Installation Class-of-Service and Feature Record Charts
NTP-553-5021-20878-09-29Integrated Power Shelf QSP7L- Description; Operation and Installation
NEP-553-5011-30074-11-13Console Operation and Tests
NTP-553-5011-30177-03-21Station Operation and Tests
NEP-553-5011-50074-11-29General Maintenance Information
NTP-553-5011-50177-04-27Circuit Operations and Cabinet Cabling
NTP-553-5011-50277-04-01Maintenance Aids Description and Maintenance Tools
NEP-553-5011-50374-12-11Fault Classification
NTP-553-5011-50477-05-10Control Logic Tests and Fault-Clearing Procedures
NEP-553-5011-50574-11-29Station Line Tone Fault-Clearing Procedure
NEP-553-5011-50674-11-27Ringing Fault-Clearing Procedure
NEP-553-5011-50774-11-27Station Line Transmission and/or Dialing Fault-Clearing Procedure
NEP-553-5011-50874-12-02Station Line Option Fault-Clearing Procedure
NTP-553-5011-50977-03-21Telephone consoles QCN100 and QCN102 Type Operation, Transmission, and Traffic Measurement Fault-Clearing Procedures
NEP-553-5011-51074-12-03Telephone Console, QCN100B and QCN102A Mechanical Fault Repair
NEP-553-5011-51174-11-27Busy Lamp Field Fault-Clearing Procedure
NEP-553-5011-51274-08-29Outgoing Trunk Selection Fault-Clearing Procedure
NEP-553-5011-51374-11-29Trunk Transmission Fault-Clearing Procedure
NEP-553-5011-51474-12-02Incoming Trunk Call Fault-Clearing Procedure
NTP-553-5011-51577-04-27Trunk Option Fault-Clearing Procedure
NTP-553-5011-51677-04-01Power Failure and Power Fail Transfer Circuit Fault-Clearing Procedures
NTP-553-5021-51679-01-19Power Failure and Power Fail Transfer Circuit-Fault-Clearing Procedures for QSP7L Integrated Power Supply
NTP-553-5011-51777-06-09Message Registration Fault-Clearing Procedure