Related Manuals for Positron Teleline 751960/13CU5
Summary of Contents for Positron Teleline 751960/13CU5
- Page 1 Teleline HVI Pre-configured Unit Single 5-card Shelf Cabinet (751960/13CU5) Description and Installation Guide 925W751018-01E...
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Page 3: Table Of Contents
Related Documentation........9 Positron Products and Services ....... 9 1.3 Service and Support . - Page 4 Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 High Voltage Side ......... 26 Low Voltage Side.
- Page 5 Chapter 4 – Thermal Considerations 4.1 Temperature Considerations ........52 4.2 Thermal Calculations .
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Page 7: Chapter 1 - General Information
Chapter 1 General Information... -
Page 8: Publication Information
The information contained in this document is the property of Positron Inc. Except as specifically authorized in writing by Positron Inc., the holder of this document: 1) shall keep all information contained herein confidential and shall protect same in whole or in part from the disclosure and dissemination to all third parties, and 2) shall use same for operating and maintenance purposes only. -
Page 9: About This Guide
Ground Potential Rise (GPR). Positron is the leader in isolation technology with its Teleline wireline products and TeleLite optical fiber wireline isolation/protection product families. Positron provides total flexibility in product configuration –... -
Page 10: Service And Support
Positron is committed to providing excellent ongoing technical support to its customers. A team of specialists is always available for telephone consultations or for on-site visits to assist in the maintenance and troubleshooting of Positron equipment. For pricing information or assistance in the planning, configuration and implementation of the installation of equipment, contact Technical Customer Service. -
Page 11: Repair Service
Service and Support 1.3.4 Repair Service All warranty repairs are performed at no cost. Positron reserves the right to repair or replace any equipment that has been found to be defective. For information about out-of-warranty repairs, contact Positron’s Repair Department. Due to the varied nature of repairs, no specific turnaround can be guaranteed, but average turnaround time is 20 working days from date of receipt. -
Page 12: Teleline Warranty
Positron's negligence, breach of warranty, breach of contract or for any other liability in any way connected with or arising out of, the equipment or any services performed by Positron shall be as follows:... -
Page 13: Cancellation And Rescheduling Charges
Cancellation and Rescheduling Charges Should the customer cancel, prior to shipment, any part of an order, the customer agrees to pay to Positron cancellation charges, not as a penalty, which shall total all expenses, including labor expenses, incurred by Positron prior to said cancellation. -
Page 15: Chapter 2 - Overview
Chapter 2 Overview... -
Page 16: Introduction
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Introduction The HVI Pre-configured Unit Single 5-card Shelf Cabinet (751960/13CU5) features: A cabinet rated NEMA 4X Teleline 5-card Shelf, 751112/1 lightning arrestor 5 Pin Protector Block isolation jacks frame ground circuit ground ground bar station cable terminating block fan and heater... - Page 17 Introduction Figure 1: HVI Pre-configured Unit, 751960/13CU5...
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Page 18: 300 V Point
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 2.1.2 300 V Point For an illustration of how the unit is used as part of the high voltage interface, see the diagram below. -
Page 19: Physical Specifications
Introduction 2.1.3 Physical Specifications Table 1: Physical Specifications Parameter Specification Height 102.5 cm (40.4”) Width 82.5 cm (32.5”) Depth 32.9 cm (13”) Weight 56.5 kg (124.5 lbs.) Table 2: Operating Temperatures ° ° (When using 65 C (149 F) Rated Cards) Parameter Specification °... -
Page 21: Chapter 3 - Installation
Chapter 3 Installation... -
Page 22: Installing
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Installing The HVI should be located on the grid of the site. This installation location should also be located so as to provide easy access for maintenance. The equipment utilized in this manual is designed to isolate energies, that is, it does not shunt or route damaging energy to a grounding field. -
Page 23: Hvi Placement
HVI Placement HVI Placement 3.2.1 Placement Selection The location selected for the HVI must take into account several items. Room for the HVI and related equipment. Location where the CO or dedicated cable enters building. Location and length of the grid ground connection. Elimination of all telephone equipment on the entrance cable. -
Page 24: 300 Volt Point Location
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 300 Volt Point Location 3.3.1 Cable Shields The 300 V point for an installation is defined by the electrical parameters of the substation. This is the point where the Ground Potential Rise of the site is reduced to 300 V or less. -
Page 25: Grounding The 300 V Point Closure
Cable Pair Protectors These units, if utilized, are provided to protect against conductor to conductor voltage imbalance on the CO side of the Positron Equipment. Imbalances may be present as a result of induction effects and or other energy sources during a power system fault. -
Page 26: Hvi Equipment Layout - Concept
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 HVI Equipment Layout - Concept All equipment that is subject to the effects of the remote ground aspect of the site is grouped and located the High Voltage Side and the Low Voltage side of the HVI enclosure. -
Page 27: Cable Routing Co Side Non-Metallic Conduit
HVI Equipment Layout - Concept stood upon. Therefore care should be taken when handling circuit equipment and or wiring. The Teleline equipment is designed to isolate the personnel and equipment from the effects of the high and the low voltage condition of this site. 3.4.3 Cable Routing CO Side Non-Metallic Conduit The CO Cable should be routed to the HVI utilizing a nonmetallic conduit. -
Page 28: Installation Procedures And Sequence
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Installation Procedures and Sequence The following sequence of procedures should be followed to insure a safe and easy installation. If the splicing of the dedicated cable to the general use cable is started AUTION or accomplished early in the designed work sequence, a safety hazard will exist. -
Page 29: Mounting The Unit To The Supporting Structure
If it is necessary to create additional openings, for instructions contact Positron. (For contact information see section 1.3.1 on page 10.) This also assumes that the orientation of the cabinet on the mounting surface will be as shown in the provided drawings. -
Page 30: High Voltage Interface Cabinet Overview
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 High Voltage Interface Cabinet Overview Due to the Fault exposure hazard that exists when the cabinet is opened the AUTION following rules apply: It is not recommended to work on or come in contact with the lightning arrestor during inclement weather. - Page 31 High Voltage Interface Cabinet Overview When working on the station side of the interface: AUTION AC and DC power may be present with the cabinet. It is used to power communications equipment and environmental equipment. Since this equipment is energized on a full period basis, normal working procedures for powered circuits and devices should be followed when working on these same circuits and devices.
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Page 32: Placement
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Placement Review the plan view drawing for the equipment to be installed. Any problems associated with the placement of this equipment must be addressed before work is commenced. Before work is started confirm that: The supporting structure is adequate to support the cabinet. -
Page 33: Terminated Power Conductors On The Shelf
Placement 3.7.3 Terminated Power Conductors on the Shelf An internal Power Supply Card model 751313MC will be used for this shelf. Therefore, 120 Vac or 129 Vdc must be supplied to the shelf via the power cable provided. The power supply card itself operates from either 120 Vac or 129 Vdc. Figure 2: Power Cable Installing the power service 1. - Page 34 3. For any powering issues please refer to the documentation provided for the 751112 shelf, or the 751313MC power supply documentation. Documentation is available on the Positron Power website: www.PositronPower.com. Figure 3: 5-card Shelf, 751112/1 4. Insert the Power Supply card model 751313MC into the far right slot in the...
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Page 35: Cable Color Code Identification
Cable Color Code Identification Cable Color Code Identification The North American Communication Cable Color Code is utilized for the Positron Teleline Shelf communication cable wiring. The color-coded cable pairs consist of a Ring conductor and a Tip conductor. The Ring conductor has a negative DC voltage standing on the circuit when in an idle condition. - Page 36 Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Table 6: Color Code for 25-pair Cable Tip Conductor Ring Conductor Cable Pair# BLUE/WHITE WHITE/BLUE ORANGE/WHITE WHITE/ORANGE GREEN/WHITE WHITE/GREEN BROWN/WHITE WHITE/BROWN SLATE/WHITE WHITE/SLATE BLUE/RED RED/BLUE ORANGE/RED RED/ORANGE GREEN/RED RED/GREEN BROWN/RED RED/BROWN SLATE/RED RED/SLATE BLUE/BLACK BLACK/BLUE...
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Page 37: Co Cable Pairs Color Code Assignments
Cable Color Code Identification 3.8.2 CO Cable Pairs Color Code Assignments The 751112 5 card Shelf CO Cable Pairs are already connected within the shelf. The connection to the CO Dedicated Cable must be done outside the shelf and should be done utilizing non-metallic isolation jacks or in a non-metallic splice case (not provided). - Page 38 Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Table 7: Dedicated Cable Pair Attachment Sequence Dedicated Cable Shelf CO Cable Stub Pair # Ring / Tip Pair # Ring / Tip BLUE/WHITE BLUE/WHITE WHITE/BLUE WHITE/BLUE ORANGE/WHITE ORANGE/WHITE WHITE/ORANGE WHITE/ORANGE GREEN/WHITE GREEN/WHITE WHITE/GREEN WHITE/GREEN...
- Page 39 Cable Color Code Identification This splicing sequence will then join sheath cable pairs 1 through 5 to slots 1 through 5 for a two wire circuit. It will also join sheath cable pairs 9 through 13 to slots 1 through 5 for the second half of a four wire circuit(s). This then results in the following cable pair assignment for a series of four wire circuits: Table 8: Cable Pair Assignments CO Side Cable Pair list...
- Page 40 Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Table 9: Attachment Sequence for the 751112 Cable Stub Shelf Stub Cable Pair Jack Position Ring BLUE/WHITE WHITE/BLUE ORANGE/WHITE WHITE/ORANGE GREEN/WHITE WHITE/GREEN BROWN/WHITE WHITE/BROWN SLATE/WHITE WHITE/SLATE BROWN/RED RED/BROWN Not Used SLATE/RED RED/SLATE Not Used BLUE/BLACK BLACK/BLUE...
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Page 41: Terminated Dedicated Cable Pairs On Isolation Jacks
Cable Color Code Identification 3.8.3 Terminated Dedicated Cable Pairs On Isolation Jacks The dedicated cable pairs are to be terminated onto the isolation jacks. The tip of the jack is the 'Tip' conductor and the shorter or higher pin on the jack is the 'Ring' conductor location. -
Page 42: Ground Wire
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Ground Wire This cabinet must be connected to the substation grid ground. Provisions have been made for connecting the cabinet to ground via the provided ground bar located in the lower right hand area of the cabinet. See drawing 751960/13. The lightning arrestor, 751112 shelf, and the secondary protector block are connected to this same ground bar. -
Page 43: Testing Environmental Equipment
Ground Wire through the interface block. These modules are installed to prevent damage to the Teleline module in the event that an unbalance voltage condition appears across the tip and ring conductors of a station cable pair. In the event one of the protector modules fails, it will fail shorted to ground and should be replaced. -
Page 44: Terminated Teleline And Niu Shelf Pairs On 5 Pin Protector Block
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 3.9.5 Terminated Teleline and NIU Shelf Pairs on 5 Pin Protector Block The design of this HVI incorporates a NIU terminating shelf. Wiring to that shelf has been accomplished from the Teleline shelf to the NIU unit. For details of that wiring see Table 13 on page 44. - Page 45 Ground Wire Table 14: NIU shelf to Protector Block CPE Connections NIU Connector NIU Ring Cable Tip Cable Pair # Protector Slot # Block Position TB1-R1 & TB1-T1 BLUE/WHITE WHITE/BLUE TB2-R1 & TB2-T1 ORANGE/WHITE WHITE/ORANGE TB3-R1 & TB3-T1 GREEN/WHITE WHITE/GREEN TB4-R1 &...
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Page 46: Utilization Of The Niu Shelf Positions
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Table 15: Positron Shelf to Protector Block Connections Shelf Ring Cable Tip Shelf Cable Pair # Protector Shelf Tip Shelf Ring Slot # Block Connector Connector Position Not Used Not Used Not Used... -
Page 47: Teleline Shelf Slot 5
The fifth slot of the Teleline shelf is wired direct to the protector block. It appears as position 5 and 13 on the right hand side of the protector block. Any Positron Teleline circuit card type can be deployed in slot five and will appear on the protector block at those locations. - Page 48 Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 8. Apply 4 layers of vinyl tape over the exposed shield and bond clamp, working the tape layers from one end of the made sheath opening to the other. This will create a good physical bond to the material and an efficient coverage of a dielectric insulating wrap.
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Page 49: Testing
CO side of the Positron Shelf. This includes the use of the Test Card in the shelf since this card brings contact with the cable pairs out to the edge of the card on the CO pairs terminal pins. -
Page 50: Sealing Current
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 3. Place the circuit cards into the slots in the shelf. 4. Turn the circuits up for service. Make sure that no 120 Vac power is used to power any circuit AUTION component Test each circuit to verify that the circuits are working through the equipment as expected. -
Page 51: Chapter 4 - Thermal Considerations
Chapter 4 Thermal Considerations... -
Page 52: Temperature Considerations
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Temperature Considerations The 5-card shelf enclosure is made of an insulating material, which under normal operating conditions (i.e., shelf closed) results in a higher temperature internally than externally (ambient room temperature). Therefore, special care must be taken to ensure that the internal temperature never exceeds the operating temperature of each card. - Page 53 Temperature Considerations Table 16: Positron Plug-in Card Thermal Specifications Power Operating Temperature Note Model Power Dissipation Consumption Range 7501-16B 8.4 W from -24 Vdc 8.5 W 0° to 50° C 32° to 122°F 7501-16C 6 W from -48 Vdc 0° to 50° C 32°...
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Page 54: Thermal Calculations
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Thermal Calculations Calculating the temperature inside the HVI Cabinet 1- Add the power dissipation of all the NIU cards inside the Hyperedge shelf at 4W per NIU card (maximum of four cards). 2- Divide the resulting power by 0.89 to account for the efficiency of the power supply. -
Page 55: Calculating The Temperatures In Case Of Fan Failure
Thermal Calculations Calculating the temperatures in case of fan failure 1- To calculate the maximum temperature inside the cabinet and Teleline shelf in the event of a fan failure, repeat the above procedure but replace the numbers detailed below. 2- In step 6, replace 0.06 with 0.207ºF/W (0.115ºC/W). 3- In step 7, replace 0.04 with 0.117ºF/W (0.065ºC/W). -
Page 56: Card Insertion
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Card Insertion After all thermal considerations have been taken into account, insert the cards into the shelf and close and secure the cover with the nuts supplied. To close the cover properly, you must first secure the bottom of the cover before joining the holes with their respective screws. - Page 57 Appendix A Acronyms...
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Page 58: Acronyms
Teleline HVI Single 5-card Shelf Cabinet, model 751960/13CU5 Acronyms Alternating Current Central Office Customer Premises Equipment Direct Current Facility-Side Ground Ground Potential Rise High Voltage Interface Manufacture Discontinued NEMA National Electrical Manufacturers Association Power Network Interface Unit NCTE Network Channel Terminating Equipment...
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