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Telect DNI-3 User Manual

64-circuit digital interface panel
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Digital Network Interface Panel:
64 Circuits
User Manual
1.1 Overview: Digital Network Interface Panel
Telect's DNI-3 is a multifunction support panel for DS3 telecommunications networks. It is an
accessible and centralized interconnect point between digital cross-connect systems (DCSs) and
central office network elements (NEs).
The DNI-3 panel serves as a platform for circuit configuration changes, maintenance activities,
and troubleshooting procedures. The DNI-3 becomes an extension of the DCS backplane that
provides complete circuit access, thus removing the risk of interrupting DCS operations.
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1.1.1 Capabilities
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High circuit densities (up to 1280 coax cables per panel)
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Efficient circuit migration for system expansion
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Quick circuit patching, troubleshooting, and monitoring
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Compatability with all DS3, STS1, and STS3 signal types and system management software
1.1.2 Features
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Mini-WECO Twist Lok™ jacks (TLJs)
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Circuit designation labels
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Hinged designation holders
Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52
www.telect.com • © 2010 Telect, Inc., All Rights Reserved, 108469 A2.1
(DNI-3)
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Figure 1 - DNI-3 Panel (64 Circuits)
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Summary of Contents for Telect DNI-3

  • Page 1 (DNI-3) User Manual 1.1 Overview: Digital Network Interface Panel Telect’s DNI-3 is a multifunction support panel for DS3 telecommunications networks. It is an accessible and centralized interconnect point between digital cross-connect systems (DCSs) and central office network elements (NEs). The DNI-3 panel serves as a platform for circuit configuration changes, maintenance activities, and troubleshooting procedures.

  • Page 2: Physical Specifications

    1.1.3 System-Level Applications Figure 2 shows a DNI-3 within a typical telecommunications network. Digital Switch 1:0 DCS DNI-3 ORBs DNI-1 FOTS Channel Banks Loop MUX DS1 Cables DS1 Cables DS3 Cable Figure 2 - DNI-3 in a Typical Telecom Network...

  • Page 3: Installation Considerations

    The DNI-3 panel mounts flush into both unequal-flange and equal-flange (EIA or WECO) 23" (58.4 cm) network bays. The primary limiting factor of a DNI-3 rack configuration is the number of cables a network bay can accommodate. (The DNI can accommodate 1280 coax cables.) NOTE: Telect recommends a maximum of 14 DNI-3 panels per bay, regardless of bay capacity, for easy access and adequate room for cable routing.
  • Page 4 In the above table, the first shaded row is the capacity for a 7-ft bay. The second shaded row is the capacity for an 8-ft bay; the last shaded row is for an 11.5-ft bay. Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52 www.telect.com • © 2010 Telect, Inc., All Rights Reserved, 108469 A2.1 Page 4...

  • Page 5: Installation Procedure

    10. Starting at the lowest DNI-3 panel and working upward, connect the NE IN cables to the NE- 2 IN termination points on the rear of the DNI-3 panels.
  • Page 6 13. Starting at the lowest DNI-3 panel and working upward, connect the NE OUT cables to the NE-2 OUT termination points on the rear of the DNI-3 panels. 14. Secure the NE OUT cables to the tie-down bar. Tie-Down Figure 5 - Securing the Cables Telect, Inc.

  • Page 7: Electrical Operation

    To temporarily connect an NE or DCS circuit to an alternate DCS or NE circuit on the same or a different DNI-3 panel or DSX without disrupting service, follow the steps below, using the Twist Lok Jacks (TLJs) on the front of the appropriate DNI-3 panels and the following additional equipment: •...
  • Page 8 To temporarily connect an NE or DCS circuit to an alternate DCS or NE circuit on the same or a different DNI-3 panel or DSX when service has been disrupted, follow the steps below, using the TLJs on the front of the appropriate DNI-3 panels and two Mini-WECO patch cords (Mini-WECO plug at each end).
  • Page 9 Figure 8 - Inserting the Plug 1.6.3 Looping To temporarily loop an NE or DCS OUT port to its IN port, use the TLJs on the front of the DNI-3 panel and a Mini-WECO looping plug. Insert the looping plug into both the IN and OUT TLJs on the front of the DNI-3 panel for looping either the NE (NE-2) or the DCS (NE-1) circuit.
  • Page 10 When you receive your replacement product, pack up the defective product and return it to Telect using the return label, box and any additional information provided.

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