ATT System 25 Reference Manual
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HARDWARE DESCRIPTION SYSTEM 25PART OF CABINET OCTOPUS CABLE PART OF SIP ZTN79C2SIPW1VOICE ATLB1C1ADAPT.TERMINAL LINE CPT1 LEGEND: B1- TYPICAL-103A CONNECTING BLOCK*C1- MODULAR CORD (D8W-87) - FURNISHED WITH SET C2 - OCTOPUS CABLE (WP90780) - PEC 2720-05P T1- 7300H TYPE VOICE TERMINAL OR ATL CORDLESS TELEPHONE W1- 4 PAIR INSIDE WIRING CABLE* * - FURNISHED BY INSTALLER NOTE: RANGE WITHIN 2000 FEET OF SYSTEM CABINET (LOCAL POWER REQUIRED BEYOND 1000 FEET). Figure 4-30. 0n-Premises 7300H Series Multiline Voice Terminal and ATL Cordless Telephone Connections 4-71
HARDWARE DESCRIPTION SYSTEM 25 CABINET ZTN79 ATLLINE CPPART OFEXPOSED OCTOPUS CABLECABLE PART OF SIPIROBIROB C2SIP C1PROTECTIONPROTECTIONTII 341TII 341ADAPT. (NOTE 1)(NOTE 1) W1 B1 -48V DCP1 LEGEND: B1 - C1 - C2 -D - G - T1 - W1 -C7 - P1 - Z400F - NOTES:1. IROB TYPICAL-103A CONNECTING BLOCK* MODULAR CORD (D8W-87) - FURNISHED WITH SET OCTOPUS CABLE (WP90780) - PEC 2720-05P # 10 AWG GROUND WIRE* APPROVED BUILDING GROUND 7300H-TYPE VOICE TERMINAL 4 PAIR INSIDE WIRING CABLE* MODULAR CORD (D6AP-87) KS-22911 POWER SUPPLY PEC 62510 ADAPTER Z400FADAPT.C7 C1 VOICE TERMINALT1 (NOTE 2) (IN-RANGE-OUT-OF-BUILDING) PROTECTION: 2 TII 341 MODELS REQUIRED (SYSTEM-STATION ENDS) FOR PRIMARY/SECONDARY PROTECTORS. CAUTION: DO NOT CONNECT IROB POWER LEADS. 2. RANGE: WITHIN 2000 FEET OF SYSTEM CABINET. * FURNISHED BY INSTALLER Figure 4-31.Out-of-Building 7300H Series Multiline Voice Terminal Connections 4-72
HARDWARE DESCRIPTION SYSTEM 25 CABINET PART OF OCTOPUS CABLEPART OF SIP TN735 METC2SIPW1B1400B2C1/C9MET LINE CPADAPT.ADAPT.SET C7 248BADAPT. (NOTE) 2012DTRANS. LEGEND: B1- TYPICAL-103A CONNECTING BLOCK* C1 - MODULAR CORD (D8W-87) - FURNISHED WITH SET C2 - OCTOPUS CABLE (WP90780) - PEC 2720-05P C9 - ADAPTER CORD (ZD8AJ-87) - PEC 2750-A17 MET SETS - 2991C05, 2993C04, AND 2991D05 10-BUTTON MET SETS -USE C9 AND C1 MET SETS -7203M 12-BUTTON MET SET - USES C1 ONLYW1- 4-PAIR INSIDE WIRING CABLE* 248B ADAPTER - MODULARIZES 2012D TRANSFORMER400B2 ADAPTER - POWER ADAPTER2012D TRANSFORMER - 15-18V AC SOURCEPEC 21691 C7 - MODULAR CORD (D6AP-87) NOTE: ONLY MET SET WITH BUILT-IN SPEAKERPHONE (2993C04) REQUIRES TRANSFORMER AND ADAPTERS. OTHERWISE, PLUG C1 INTO B1 DIRECTLY. *-FURNISHED BY INSTALLER Figure 4-32. MET Set Connections 4-73
HARDWARE DESCRIPTION SYSTEM 25PART OF CABINETOCTOPUS CABLEPART OF SIP ZTN79C2451AZ400FC1SIPHYBRIDADAPT.LINE CPADAPT.ADAPT. C7W1 MBPS P2 (NOTE)7300HSERIESVOICETERMINAL C1B1 LEGEND:B1- TYPICAL -103A CONNECTING BLOCK* C1- M0DULAR CORD (D8W-87)C2 - OCTOPUS CABLE (WP90780) C7 - MODULAR CORD (D6AP-87) P2 - M0DULAR BULK POWER SUPPLY, CONSISTING OF: POWER UNIT (346A) - PEC 31760 POWER PANEL (346A1) - PEC 31761 W1 -4-PAIR INSIDE WIRING CABLE* *- FURNISHED BY INSTALLER NOTE: PEC 62510 CAN ALSO BE USED TO SUPPLY LOCAL POWER. Figure 4-33.Stand-Alone Remotely Powered Multiline Voice Terminal and ATL Cordless Telephone Connections 4-74
HARDWARE DESCRIPTION SYSTEM 25 PART OF CABINETOCTOPUS CABLEPART OF SIP ZTN78 C2ORTN742 Y ADAPT. (WP90851-L1) TN726C2 LEGEND:ZTN78 - TN742 - TN726 - B1 - C1 - C2 - C5 - W1 - WP90851-L1 - Z3A1 ADU - NOTES:SIP W1B1C1Z3A1 ADAPT. ADU RS-232 TERMINAL TIP RING LINE CP ANALOG LINE CP DATA LINE CP SINGLE-LINE SET(NOTES)TYPICAL -103A CONNECTING BLOCK* MODULAR CORD (D8W-87) - PEC 2725-07G OCTOPUS CABLE (WP90780) - PEC 2720-05P MODULAR CORD (D4BU-87) - FURNISHED WITH SET 4-PAIR INSIDE WIRING CABLE* MODULAR Y ADAPTER - PEC 2750-T05 E/W 3-FT PLUG-ENDED EIA CORD - PEC 2169-001 1. IF RANGE IS GREATER THAN 2000 FT FROM SYSTEM CABINET, TERMINAL DATA RATE (SPEED) WILL BE LIMITED (SEE “CABLE DISTANCE LIMITATIONS” IN SECTION 5) 2. IF RANGE IS LESS THAN 2000 FEET FROM SYSTEM CABINET USE ZTN-78. IF RANGE IS MORE THAN 2000 FEET BUT LESS THAN 1300 OHM† (LOOP RESISTANCE) FROM CABINET, USE TN-742 *-FURNISHED BY INSTALLER †-INCLUDES TELEPHONE/TERMINAL C5 Figure 4-34.Typical ADU Connections— Supporting Data Terminal and Single-Line Voice Terminal 4-75
HARDWARE DESCRIPTION SYSTEM 25PART OF CABINETOCTOPUS CABLE PART OF SIP ZTN79C2 ATL LINE CP Y ADAPTSIP (WP90851-L1)ADAPT. TN726DATAC2 LINE CP W1C1B1 Z3A5 ADU -48V DCC1 P1 RS-232 TERMINAL LEGEND:WP90851-L1- MODULAR Y ADAPTER - PEC 2750-T05 B1- TYPICAL -103A CONNECTING BLOCK* C1 -MODULAR CORD (D8W-87) - PEC 2725-07G7300H C2 -OCTOPUS CABLE (WP90780) - PEC 2720-05PSERIES W1 -4-PAIR INSIDE WIRING CABLE*VOICE Z3A5 ADU - E/W 3-FT PLUG-ENDED EIA CORDTERMINAL C1 -D8W-87 14-FT MODULAR CORDPEC 62506 P1 -KS-22911 POWER SUPPLY C1 Figure 4-35.Typical ADU Connections—Supporting Data Terminal and 7300H Series Multiline Voice Terminal 4-76
HARDWARE DESCRIPTION SYSTEM 25 CABINET TN726 HOSTCOMPUTERORTERMINALS LEGEND:TN726 - DATA LINE CPMADU - MULTIPLE ASYNCHRONOUS DATA UNIT (PEC 2169-005) SINGLE UNIT ASSEMBLY (8 ADU PORTS) W2 - BUILDING WIRING (25-PAIR CABLE) C10 - 25-PAIR CENTERFEED-TO-ENDFEED CABLE (PEC 2724-78B) (ALWAYS REQUIRED) C11- M48C OCTOPUS EIGHT 6-INCH C12 - M48G OCTOPUSEIGHT 6-INCH Figure 4-36. CABLE (PEC 2724-29G) (7-FOOT CORD WITH ARMS FOR “DTE” HOST INTERFACE CABLE (PEC 2724-98G) (7-FOOT CORD WITH ARMS FOR “DCE” HOST INTERFACE Typical MADU Connections 4-77
HARDWARE DESCRIPTION D8AM-87 CROSSOVER CORD (REQUIRED IF THIS ADU IS CONNECTED TO ANOTHER ADU OR ANY OTHER DCE DEVICE, RATHER THAN DATA LINE CP) NOTE:PEC 21691 INCLUDES 2012D TRANSFORMER, 248B AND 400B2 ADAPTERS AND D6AP CORD. Figure 4-37.Z3A1/2/4 ADU Local Power Connections 4-78
TECHNICAL SPECIFICATIONS Hardware and Software Parameters 5-2 Unit Loads 5-6 Cable Distance Limitations 5-7 Call Progress Tones 5-10 Indicator Lamp Signals 5-11 Port Specifications 5-12 Recommended Central Office Trunk Facilities 5-19 Analog Transmission Characteristics 5-20 -i-
Figures Figure 5-1.Single-Line Voice Terminal Allowable Cable Distances 5-7 Figure 5-2.Multiline Voice Terminal Allowable Cable Distances 5-8 Figure 5-3.Asynchronous Data Unit Allowable Cable Distances (In-Building Only) 5-9 -ii-