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AT&T AT&T manual

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Download 456 pages, 2.43 Mb

555-520-200

Issue 1, June 1987

AT&T System 25

Reference Manual

Contents

Main Page Page Page DANGER Page SECTION 1OVERVIEW Page . Figure 1-1. System 25 Block Diagram 1-3 Page Page Page Page Page Page Page . Page Page Page Page SECTION 2FEATURES AND SERVICES 2-2 Page Page * If the user is active on a call, invoking the feature will drop the call. Page Page Page Page Page Page Page simulating Page Page Page Page Page . . Page Page Page two-console configuration. . 2-24 Figure 2-5. Switched Loop Attendant Console Connections Page 2-26 100 DXS \/ Page . Page Page I . . Page Page Page Page Page Page . . . Page Page Page . . Page Page Page . Systems Technician. Page Page Page Page Page Figure 2-8. Automatic Route Selection Flow Chart (Sheet l of 2) 2-54 Figure 2-8. Automatic Route Selection Flow Chart (Sheet 2 0f 2) 2-55 Page Page Page Figure 2-9. Automatic Route Selection Routing Pattern 2-59 Page . . . . Page . . . . . . accountability is entered, the PDC field is blank. . . . . . . . . . . . . Page DATE TIME 2-69 CALLED NUMBER DUR ASCII CHARACTER POSITION (Column Number) DESCRIPTION 2-70 VALID CHARACTERS Figure 2-11. SMDR Call Record Format ASCII CHARACTER POSITION DESCRIPTION 2-71 Figure 2-12. SMDR Call Record Header Format . 2-72 2-73 Figure 2-15. SMDR Output EquipmentOn-Premises Switched Connections 2-74 Figure 2-16. SMDR Output EquipmentOff-Premises Direct Connections 2-75 * Figure 2-17. SMDR Output EquipmentOff-Premises Switched Connections 2-76 Page Page Page Page . . . Page Page . . . . . Page . . Page Page . Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Expert Mode, Data Terrminal Dialing, Modem Pooling, Third-Party Call Setup, and Transfer To Data. Page Page Page Page Page Page Page Page Page Page Page Page Figure 2-20. Dictation System Connections (FCC Registered) 2-119 Page Figure 2-22. Digital Tape UnitOn-Premises Direct Connections (Sharing Same AC Outlet) 2-121 Page Page Page Page Figure 2-23. Delay Announcement Equipment Connections (FCC Registered) 2-126 Page Page Page Page Page Page Page Page Page Page Page Page Page Figure 2-24. External Alert Connections 2-140 Figure 2-25. Supplemental Alert Adapter Connections 2-141 transferring Page Transfer feature and button rather than extending these calls using the START Page Page 2-147 2-148 Figure 2-29. Typical Headset Adapter Connections For 12-Button MET Sets 2-149 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 2-169 Figure 2-31. Music-On-Hold Equipment Connections (Non-Registered) Page Page Page Page Figure 2-32. Delay Announcement Equipment Connections (FCC Registered) 2-174 Page Page Page Page Figure 2-33. Paging Equipment Connections Using CO Trunk Ports (FCC Registered) 2-179 * Figure 2-34. 2-180 Paging Equipment Connection to TN763 CP Using 278A Adapter Page Page Page Page Page Page Page Page Page Page Figure 2-35. 10B Emergency Transfer Unit (ETU) 2-191 Figure 2-36. Emergency Transfer Unit Connections 2-192 Figure 2-37. Multiple ETU Arrangements 2-193 Page #* Page Page Page Page Page Page Page Page Page Page Page Page Page SIP 2-209 Figure 2-40. Speakerphone Connections For 34-Button Deluxe Multiline Voice Terminals 2-210 Figure 2-41. Speakerphone Connections For 12-Button MET Sets 2-211 Page Page Page Page Page Page Page II Figure 2-43. STARLAN NETWORK Connection to System 25 (With 2500 Single-Line Telephone) 2-219 Figure 2-44. STARLAN NETWORK Connection to System 25 (With ATL-Type Telephone) 2-220 Page Page Page Page Page 25 Adrninistration Manual and System 25 Advanced Administration Manual, respectively. . Page Figure 2-46. SAT On-Premises Direct Connections (Sharing Same AC Outlet) 2-229 * Figure 2-47. SAT On-Premises Direct Connections (Greater Than 50 Feet From System Cabinet) 2-230 Figure 2-48. SAT On-Premises Switched Connections 2-231 Figure 2-49. SAT Off-Premises Direct Connections 2-232 Figure 2-50. SAT Off-Premises Switched Connections 2-233 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Figure 2-51. Command Mode Menu Tree Page Page Page Page Page Page Page Page Page SECTION 3FUNCTIONAL DESCRIPTION Page /\ Figure 3-2. Call Processor (ZTN82 or ZTN128) Circuitry 3-3 Page Page Page Page Page Figure 3-5. TDM Bus Diagram -Three Cabinet System 3-9 Page 3-11 } 3-12 3-13 Page Page Page Figure 3-8. Unique Ground Start Trunk (ZTN76) Circuitry 3-17 Page Figure 3-9. Unique Loop Start Trunk (ZTN77) Circuitry 3-19 Figure 3-10. Unique Tip Ring Line (ZTN78) Circuitry 3-20 Page Page \ / 3-23 Figure 3-11. Unique ATL Line (ZTN79) Circuitry Page Figure 3-12. Unique Data Line (TN726) Circuitry 3-25 Page Figure 3-13. Unique MET Line (TN735) Circuitry 3-27 / 3-28 Figure 3-14. Unique Analog Line (TN742) Circuitry Page Page Figure 3-15. Unique DID Trunk (TN753) Circuitry 3-31 Page Figure 3-16. Unique Tie Trunk (TN760B) Circuitry Figure 3-17. Tie Trunk (TN760B) Circuit Pack Option Switches 3-33 Unprotected Page Figure 3-18. Unique Auxiliary Trunk (TN763) Circuitry 3-36 Page Page Page Figure 3-19. Service Circuit (ZTN85) 3-40 Page / Figure 3-20. Tone Detector (TN748) Circuit / 3-42 \/ Page Page Page Page Page ` 3-48 Figure 3-22. System Software Partitioning Page Page Page SECTION 4HARDWARE DESCRIPTION Page Page Page Figure 4-3. System Circuit Pack Configurations 4-5 Page Page Page Page Page Page Page Page Page Page Page Figure 4-6. 420 Speakerphone Voice Terminal 4-17 Page Page Page Figure 4-7. 5-Button Voice Terminal (7302 HOlD) 4-21 Page Figure 4-8. 10-Button Voice Terminal (7303HO1D) 4-23 Page Figure 4-9. 34-Button Voice Terminal (7305HO1D) (MD) 4-25 Page Page Page Figure 4-11. BIS Voice Terminal (7305H03B) 4-29 Page Page Page Page Page Figure 4-14. Ten Button MET Set (2991C05) 4-35 available Page Page Figure 4-16. Twelve Button MET Set (7203M) 4-39 Page Page Page Page Page Page Page Page Page Figure 4-19. 617A Station Interconnect Panel 4-49 Figure 4-20. Typical SIP Connections 4-50 Page Figure 4-21. On-Premises Single-Line Voice Terminal Connections 4-52 Figure 4-22. Out-Of-Building Single-Line Voice Terminal Connections 4-53 Figure 4-23. Off-Premises Station Single-Line Voice Terminal Connections 4-54 Figure 4-24. On-Premises 7300H Series Multiline Voice Terminal Connections 4-55 Figure 4-25. Out-Of-Building 7300H Series Multiline Voice 4-56 Terminal Connections Figure 4-26. Ten Button MET Set Connections 4-57 4-58 Figure 4-28. Typical ADU ConnectionsSupporting Data Terminal And Single- Line Voice Terminal 4-59 4-60 Figure 4-30. Typical MADU Connections 4-61 Page SECTION 5TECHNICAL SPECIFICATIONS Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page SECTION 6ENVIRONMENTAL REQUIREMENTS Figure 6-1. Typical System 25 Equipment Area Floor Plan 6-2 Page Page Page DANGER Figure 6-3. AC Power Distribution - Multiple Cabinet System 6-7 Page SECTION 7PARTS INFORMATION Page Page Page Page Page Page Page Page Page Page Page Page SECTION 8REFERENCE DOCUMENTATION Page Page SECTION 9GLOSSARY Page Page Page Page Page Page Page Page Page Page Page Page INDEX 10-1 10-2 10-3 10-4

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