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®
®
CONNECTING THE FUTURE
DIGITAL NETWORK INTERFACE PANEL—64 CIRCUITS
(DNI-3)
USER MANUAL
108469
Issue A Rev 2
ページ2に含まれる内容の要旨
Digital Network Interface Panel (DNI-3) User Manual Document Number 108469 Issue A Rev 2 Copyright© Telect, Inc., 1998, All Rights Reserved. Telect and Connecting the Future are registered trademarks of Telect, Inc., 1730 N. Madson St., Liberty Lake, Washington 99019. Twist Lok™ is a trademark of Telect, Inc. Telect’s Twist Lok™ jack is protected by U.S. patent 5,209,678. Note: Telect assumes no liability from the application or use of these products. Neither does Telect convey any license u
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Contents 1 Descriptions Digital Network Interface Panel .................................................. 1-1 Capabilities ............................................................................ 1-1 Features.................................................................................. 1-1 System-Level Applications.......................................................... 1-2 Main Assemblies.......................................................................... 1-2 Physical Specific
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5 Service Owner Maintenance..................................................................... 5-1 In Case Of Difficulty ................................................................... 5-1 In-Warranty Service ..................................................................... 5-1 Out-Of-Warranty Service............................................................. 5-2 Repacking For Shipment ............................................................. 5-2 iv Telect, Inc. 108469 Issue A R
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1 Descriptions DIGITAL NETWORK INTERFACE PANEL Telect’s DNI-3 is a multifunction support panel for DS3 telecommunica- tions networks. It is an accessible and centralized interconnect point be- tween digital cross-connect systems (DCSs) and central office network ele- ments (NEs). The DNI-3 panel serves as a platform for circuit configuration changes, maintenance activities, and troubleshooting procedures. The DNI-3 be- comes an extension of the DCS backplane that provides complete circuit acc
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Descriptions DNI-3 User Manual SYSTEM-LEVEL APPLICATIONS This illustration shows a DNI-3 within a typical telecommunications net- work. Digital Switch 1:0 DCS 3:1 ORBs DNI-1 DNI-3 FOTS DCS Channel Banks Loop MUX DS1 Cables DS1 Cables DS3 Cable MAIN ASSEMBLIES Mini-WECO Twist Lok Jacks Hinged Designation Holder In Out Monitor 1 2 3 4 5 6 7 8 9 1011 121314 151617 181920 212223 242526 272829 30 31 32 1 1 2 M M 2 3 3 4 4 O O Network Element 2 5 5 I I 6 6 7 7 NE-2 NE-2 8 NE-1 NE-1 8 9 9 O O 10 10 11
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2 Installation INSTALLATION CONSIDERATIONS Location and Space 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. Here are the DNI-3 spa
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Installation DNI-3 User Manual Cable Space DCS EIA Bay Spaces Needed per Side Panels Total Cables Terminations Required 2 of Bay (in. ) 385–416 13 1664 21.30 39 417–448 14 1792 22.94 42 449–480 15 1920 24.58 45 481–512 16 2048 26.21 48 513–544 17 2176 27.85 51 545–576 18 2304 29.49 54 577–608 19 2432 31.13 57 609–640 20 2560 32.77 60 641–672 21 2688 34.41 63 673–704 22 2816 36.04 66 705–736 24 2944 37.68 69 737–768 24 3072 39.32 72 769–800 25 3200 40.96 75 In the above table, the first shaded
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DNI-3 User Manual Installation INSPECTION Compare the contents of the DNI-3 shipping container with the packing list. Call Telect if you are missing anything. NOTE Telect is not liable for shipping damage. If the shipping container is damaged, keep it for the carrier’s inspection. Notify the carrier and call Telect’s Customer Service Department: 1-800-551-4567 or 1-509-926-6000 Keep the container until you have checked equipment operation. If you ex- perience any kind of problem, call Telect’s
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Installation DNI-3 User Manual 7. Starting at the lowest DNI-3 panel and working upward, connect the DCS OUT cables to the NE-1 OUT termination points on the rear of the DNI-3 panels. 8. Secure the DCS OUT cables to the wire management tray via the tie-down slots. 9. Route the NE IN cables to the same side of the network bay as the DCS IN cables. Tie-wrap the cables in place within the extender panel cable management brackets. 10. Starting at the lowest DNI-3 panel and working upward, conne
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3 Electrical Operation DATA SIGNALS The DCS circuit cables terminate at the lower pair of termination points on the rear of the DNI-3 panel, labeled NE-1. The OUT cable connects to the upper NE-1 termination point and the IN cable connects to the lower NE-1 termination point. The NE circuit cables terminate at the upper pair of termination points on the rear of the DNI-3 panel, labeled NE-2. The OUT cable connects to the upper NE-2 termination point and the IN cable connects to the lower N
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Electrical Operation DNI-3 User Manual Inserting a Mini-WECO patch cord into the upper monitor Twist Lok Jack (TLJ) on the front of the DNI-3 panel accesses the NE circuit. Inserting a Mini-WECO patch cord into the lower monitor TLJ on the front of the DNI-3 panel accesses the DCS circuit. 3-2 Telect, Inc. 108469 Issue A Rev 2
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4 User Functions IN-SERVICE PATCHING 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 equip- ment: • Four Mini-WECO patch cords (Mini-WECO plug at each end) • Two 75-ohm Mini-WECO terminating plugs • One dual bridging office repeater (BOR), or two single BORs St
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User Functions DNI-3 User Manual 4. Using a fourth Mini-WECO patch cord: a. Insert the plug of one end into BOR position 2, OUTPUT. b. Insert the plug of the other end into the IN TLJ at the first loca- tion. 5. Insert a Mini-WECO terminating plug into the OUT TLJ at the first location. 6. Insert a second Mini-WECO terminating plug into the OUT TLJ at the second location. Output M Pos 1 O Input I 1st Output Location O Pos 2 I Input M BOR DNI-3s M O I 2nd Location O I M OUT-OF-SERVICE PATCHING
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DNI-3 User Manual User Functions Step Action 1. Using one Mini-WECO patch cord: a. Insert the plug of one end into the IN TLJ at the first location. b. Insert the plug of the other end into the OUT TLJ at the second location. 2. Using a second Mini-WECO patch cord: a. Insert the plug of one end into the OUT TLJ at the first location. b. Insert the plug of the other end into the IN TLJ at the second lo- cation. O I O I LOOPING To temporarily loop an NE or DCS OUT port to its IN port, use the TLJ
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User Functions DNI-3 User Manual Step Action 1. To monitor the NE circuit outputs, insert a Mini-WECO patch cord into the NE (upper) Monitor TLJ. To monitor the DCS circuit outputs, insert a Mini-WECO patch cord into the DCS (lower) Monitor TLJ. 2. Connect the other end of the the patch cord to the test set to com- plete your connection and perform monitoring. 4-4 Telect, Inc. 108469 Issue A Rev 2
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5 Service OWNER MAINTENANCE Telect’s DNI-3 does not need preventive maintenance. IN CASE OF DIFFICULTY If problems occur after initial installation, check all cable connections and the installation instructions in Section 2. IN-WARRANTY SERVICE Contact your Telect equipment distributor, or call a Telect Customer Ser- vice Representative: 1-800-551-4567 1-509-926-6000 Telect will repair or replace defective products within the limits of the war- ranty. See “Repacking for Shipment” in this secti
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Service DNI-3 User Manual OUT-OF-WARRANTY SERVICE The procedure for out-of-warranty service is the same as for in-warranty service, except that Telect charges a processing fee, and you must submit a Purchase Order along with a Return Material Authorization (RMA) before returning equipment. Call a Customer Service Representative for help get- ting these forms. The processing fee guarantees a repair estimate and is credited against ac- tual material and labor costs. REPACKING FOR SHIPMENT Step
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® ® CONNECTING THE FUTURE DIGITAL NETWORK INTERFACE PANEL—112 CIRCUITS Telect, Inc. (DNI-1) 1730 N. Madson St. USER MANUAL P.O. Box 665, Liberty Lake, WA 99019 509-926-6000, 800-551-4567, Fax 509-926-8915 108165 E-mail: getinfo@telect.com Internet: http://www.telect.com Issue A Rev 1
