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NT1 Type 400
NT1 Type 400 Standalone 1212016L1
NT1 Type 400 Circuit Pack 1212010
USER MANUAL
61212016L1-1B
January 1999
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This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful in- terference, and (2) this device must accept any interference received, in- cluding interference that may cause undesired operation. Changes or modifications to this unit not expressly approved by the par- ty responsible for compliance could void the user's authority to operate the equipment. Canadian Standards Association This device must be po
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FCC regulations require that the following information be provided in this manual: 1. This equipment complies with Part 68 of the FCC rules. On the bottom of the equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number (REN) for this equipment. If requested, provide this information to the telephone company. 2. If this equipment causes harm to the telephone network, the tele- phone company may temporarily discontinue service. If possible, advance
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ADTRAN YEAR 2000 (Y2K) READINESS DISCLOSURE ADTRAN has established a Year 2000 program to ensure that our prod- ucts and operations will correctly function in the new millennium. ADT- RAN warrants that all products meet Year 2000 specifications regardless or model or revision. Information about ADTRAN’s Year 2000 compli- ance program is available at the following: Web Site www.adtran.com Product Matrix www.adtran.com/Y2Kfax.html Faxback Document Line (256) 963-8200 Y2K plans and product certif
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CUSTOMER INSTRUCTIONS 1. The mounting of the registered unit in the final assembly must be made so that the registered unit is isolated from exposure to any hazardous voltages within the assembly. Adequate separa- tion and restraint of cables and cords must be provided. 2. The circuitry from the registered unit to the telephone line must be provided in wiring that carries no other circuitry unless specifical- ly allowed by the rules (such as PC and PR leads). PC board traces carrying tip and
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CANADIAN EMISSIONS REQUIREMENTS This digital apparatus does not exceed the Class B limits for radio noise emis- sions from digital apparatus as set out in the interference-causing equipment stan- dard entitled "Digital Apparatus," ICES-003 of the Department of Communications. Cet appareil numerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class B prescrites dans la norme sur le materiel brouilleur: "Appareils Numeriques," NMB-003 edictee par le m
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CANADIAN EQUIPMENT LIMITATIONS Notice: The Canadian Industry and Science Canada label identifies certified equip- ment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the user’s satisfaction. Before installing this equipment, ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipm
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Table of Contents 1.0 GENERAL............................................................................... 1 1.01 Unit Overview ......................................................................... 1 1.02 Basic Rate Description ........................................................... 2 1.03 Passive Bus Description ......................................................... 2 1.04 Powering TEs from the NT1 ................................................... 2 1.05 Rear Panel...............
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Table of Contents FIGURES Figure 1. NT1 Type 400 Standalone Rear Panel ............................ 2 Figure 2. NT1 Type 400 Switch Option Locations ........................... 3 Figure A-1.NT1 T400 Circuit Pack Connector Pin Assignments .... 10 Figure B-1.Short Passive Bus Configuration .................................. 11 Figure B-2.Extended Passive Bus Configuration ........................... 11 TABLES Table 1. NT1 Type 400 Front Panel Indicators............................... 1 Table 2. NT
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1.0 GENERAL 1.01 Unit Overview The ADTRAN NT1 Type 400 provides a basic rate interface be- tween the customer’s ISDN Terminal Equipment (TE) and the ISDN Network. Two interfaces are provided for this purpose: con- nection to the ISDN network is made by the “U” interface and connection to the customer's ISDN TE is made by the S/T inter- face. The NT1 Type 400 is available in two configurations: • The NT1 Type 400 Standalone with an internal power supply, Part No. 1212.016L1. • The NT1 Type 400 Ci
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. 1.02 Basic Rate Description ISDN Basic Rate Service consists of two “B” channels at 64 kbps and a single “D” channel at 16 kbps. Basic Rate Service (2B+D Ser- vice) provides a total of 144 kbps to the customer for the transport of voice, circuit switched data, and packet switched data. Each “B” channel can be used for voice or data. The “D” channel carries the signaling information needed for call processing. The “D” channel can also carry packet switched data using the X.25 proto- col. 1.03
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2.0 INSTALLATION After unpacking the unit, immediately inspect it for possible ship- ping damage. If damage is discovered, file a claim immediately with the carrier, then contact ADTRAN Customer and Product Service (CAPS) Department at the number listed in the back of the manual. 2.01 Setting the Option Switches Remove the Circuit Pack from the NT1 Standalone housing by re- moving the plastic front panel and sliding the Circuit Pack out of the front of the unit. Figure 2 illustrates switch optio
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. 2.02 Powering Up the NT1 Type 400 Standalone To power-up the NT1 Type 400 Standalone for the first time, per- form the following procedures in order: 1. Plug the power cord into a grounded, 120 VAC, 60 Hz recepta- cle. 2. Verify that the ERROR indicators are illuminated. After about 15 seconds, the READY indicators should flash at a 1 Hz rate. Should any of these indicators fail to operate as stated, see Sec- tion 3.0 Troubleshooting on page 5. Table 3 gives pin assignments for the unit.
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READY indicators and the TE’s ability to place and receive calls, depending on the specific TE in use. If the READY indicators fail to illuminate or if you are unable to place or receive calls, see Sec- tion 3.0 Troubleshooting on page 5. 3.0 TROUBLESHOOTING If you encounter problems during installation, the following lists possible symptoms and solutions. If these solutions fail to correct the problem, contact ADTRAN Technical Support at 888 4ADTRAN. POWER indicator not illuminated. • NT1 Ty
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. 4.0 MAINTENANCE The ADTRAN NT1 Type 400 requires no routine maintenance to operate. In case of equipment malfunction, refer to Sections 5.0 and 6.0 below, and/or remove the unit and replace it with another unit optioned in an identical manner. 5.0 REMOTE TESTING Network test features include a loopback test initiated at the cen- tral office. This test confirms network integrity to the NT1 Type 400. 6.0 REPAIR AND RETURN Repairs should not be performed in the field. Repair services can be o
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7.0 SPECIFICATIONS LOOP INTERFACE: Line: 2-Wire (TIP and RING) Operating Mode: Full-duplex Data Rate: 160 kbps total; 144 kbps available to customer Signal Format: 2B1Q Output Amplitude: 2.5 V, zero-to-peak Tx Source Impedance: As per ANSI T1.601 Rx Source Impedance: As per ANSI T1.601 Receiver Sensitivity: As per ANSI T1.601 CUSTOMER INTERFACE: Line: 4-Wire (Tx and Rx pair) Operating Mode: Full-duplex Data Rate: 192 kbps total; 144 kbps available to customer Signal Format: Alternate Mark Invers
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. 8 NT1 T400 User Manual 61212016L1-1
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APPENDIX A NT1 TYPE 400 CIRCUIT PACK RACK INSTALLATION The ADTRAN NT1 Type 400 Circuit Pack, Part No. 1212010, can be purchased as a separate unit for installation in a Type 400 NCTE rack. This configuration pro- vides a central location for the NT1 in a customer's wiring closet, and facilitates bat- tery backup. Refer to ADTRAN's Building a Battery Protected ISDN Phone System for a complete description of the centrally located battery back-up system. Figure A-1 shows the connector pin assignme
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. 55 56 DT S/T Transmit 53 54 (Customers 1 & 2 51 52 in parallel) 49 50 DR 47 48 TR 45 46 U Transmit/Receive 43 44 41 42 TT 39 40 37 38 35 36 -48V 33 34 31 32 29 30 27 28 Frame GND 25 26 1 Backup Power 23 24 E S/T Power 21 22 M 19 20 17 18 GND 15 16 R1 13 14 S/T Transmit 11 12 Frame (Customers 1 & 2 GND 9 10 in parallel 7 8 5 6 1 When pin 25 is pulled to ground, T1 the NT1 Type 400 is signaled that 3 4 its battery backup is in use. 1 2 Figure A-1: NT1 T400 Circuit Pack Connector Pin Assignments
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. APPENDIX B S/T BUS CONFIGURATIONS SHORT PASSIVE BUS The short passive bus configuration allows the connection of up to eight TEs at any point on the bus. The bus length is limited to 600 feet, as illustrated in Figure B-1. To select this bus configuration, set switch 1-2 to the Short position. The bus ter- mination resistors (TRs) can be placed at any point along the bus. If the TEs have internal TRs that can be optioned, only one TE's TRs should be enabled. The TRs in the NT1 Type 400 are ena
