Positron Teleline 751221 Скачать руководство пользователя страница 2 | Manualshive

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DOCUMENT CONTROL INFORMATION

Document Part Number:

7501-24-52, Rev 9

Document Issue Number:

9

Publication Date:

January 07, 2003

Document ID:

o02i1000.fm

CONFIDENTIALITY NOTICE

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.

DISCLAIMER NOTICE

Although Positron Inc. has made every effort to ensure the accuracy of the information contained
herein, this document is subject to change without notice.

TECHNICAL CUSTOMER SUPPORT

Should a problem arise, contact your customer support department. If the problem cannot be resolved
by your support department or if you have any questions, contact Positron’s Technical Customer
Support department at 1-888-577-5254.

© 2003 Positron Inc.

Teleline Isolator is a registered trademark of Positron Inc.

Product names, other than Positron’s, mentioned herein may be trademarks and/or registered trademarks
of their respective companies.

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Содержание Teleline 751221

Страница 1: ...Standalone Telephone Unit 751221 Description and Installation ...

Страница 2: ...nd 2 shall use same for operating and maintenance purposes only DISCLAIMER NOTICE Although Positron Inc has made every effort to ensure the accuracy of the information contained herein this document is subject to change without notice TECHNICAL CUSTOMER SUPPORT Should a problem arise contact your customer support department If the problem cannot be resolved by your support department or if you hav...

Страница 3: ...tents i o02i1000TOC fm 1 The Standalone Telephone Unit 1 2 Applications 4 3 Hardware Description 5 4 Technical Specifications 8 5 Installation 11 6 Battery Replacement Procedure 18 7 Service and Support 19 ...

Страница 4: ......

Страница 5: ...d terminal The unit s power supply provides a 24 V dc feed to the telephone on the subscriber side of the card In the event of a power outage communications are maintained by the onboard battery The Central Office CO side circuit components are powered from the battery feed The unit s sinusoidal ringing generator can ring up to five standard 500 type sets and track the CO side frequency which enab...

Страница 6: ...ER UNLESS THE PROPER SAFETY PRECAUTIONS ARE TAKEN THIS COVER MUST ALWAYS BE CLOSED AS IT PROVIDES THE NECESSARY SPECIAL SAFETY INSULATION TO PROTECT PERSONNEL FROM DANGEROUS VOLTAGES PRESENT DURING GROUND FAULT CONDITIONS CABINET USE RUBBER GLOVES AND INSULATED CARPET WHEN WORKING IN THE POSITRON GROUND LUG SIDE VIEW 5 9 16 ...

Страница 7: ...Only Major Components Shown MAIN BOARD OPTO ISOLATORS TB2 TB1 J4 R T R RMT GND TB1 T 1 2 3 F1 2A 250V GND 24V POWER SUPPLY GND LUG Power In green LED Power Out yellow LED Low Battery red LED RETAINING CLAMP F2 6A 32V BATTERY ISOLATION GAP 5 POWER SUPPLY OUTPUT CONNECTOR ...

Страница 8: ...es up to19200 baud Loop start PBX Dial up remote meter reading For an illustration of the unit s applications refer to Figure 3 Figure 3 High Voltage Interface Applications Standalone Telephone Unit Model 751221 Communications Cable 300 Volt Point 300 Volt Point 300 Volt Point Zone of Influence Metal Conduit PVC Conduit Lightning Arrestor CENTRAL OFFICE HIGH VOLTAGE INTERFACE SUBSTATION Telephone ...

Страница 9: ...m the CO side by the opto isolators which create a 5 inch isolation gap For the Fiberline Telephone card block diagram refer to Figure 4 Figure 4 Block Diagram STATION SIDE POWER FUSE SUPPLY CO SIDE HYBRID VOICE CIRCUIT SWITCH OFF HOOK ON HOOK RING DETECTOR 120 V ac or 24 to 130 V dc 24 V dc RECEIVE ANALOG OPTO DIGITAL OPTO ISOLATOR ISOLATOR ISOLATOR ISOLATOR DIGITAL GAP MAIN ISOLATOR PCB FUSE POW...

Страница 10: ...le for isolation They provide digital signal transmission across the isolation gap Transmit and Receive Analog Opto Isolators The Transmit and Receive Analog Opto Isolator employs feedback circuitry to linearize the behavior of its LED photodiode pairs thus providing for undistorted lightwave analog signal transmission across the air gap Feedback also makes it possible to compensate for the aging ...

Страница 11: ...y PCB The Power Supply PCB accepts either 120 V ac or 24 to 130V dc and provides 24 V dc to the Station side circuitry It also keeps the onboard battery backup charged Fuse F1 and F2 Fuse F1 limits the power supply s input current in case of input power overvoltage or power supply circuit failure Fuse F2 protects the power supply circuitry if the battery is reversed when connected For the location...

Страница 12: ...with 5 ringers type 500 at 20 Hz CO side input ringing detection 50 V to 105 Vrms 17 to 30 Hz Terminal resistance CO side 5 MΩ at 100 V dc Metallic impedance CO side 17 kΩ at 20 Hz 82 kΩ from 200 Hz to 3 2 kHz OFF HOOK 40 mA dc Minimum loop current CO 20 mAdc Maximum loop current CO Current limiting at 110 mAdc Minimum loop current station Will detect off hook down to 20 mA Maximum loop current st...

Страница 13: ...dB at 0 dBm SIGNAL Echo return loss either side opposite side terminated in 600 or 900Ω Better than 21 dB Singing return loss either side opposite side terminated in 600 or 900Ω Better than 13 dB Insertion loss at 0 dBm 0 35 dB 1000 Hz Frequency response 300 to 3400 Hz 0 2 dB relative to 1000 Hz Flatness 1 0 dB max from 100 to 10 kHz Rolloff 12 dB octave from 30 kHz POWER SUPPLY Input voltage 120 ...

Страница 14: ...pecification 10 hrs idle 2 hrs off hook 20 minute ringings BATTERY SERVICE LIFE 4 years minimum BATTERY REPLACEMENT Sonnenschein 12V 1 2 Ah A212 1 2S Parameter Specifications Operating temperature range with battery 32 F to 122 F 0 C to 50 C Operating temperature range without battery 4 F to 131 F 20 C to 55 C Height 13 1 2 34 29 cm Width 11 5 16 28 734 cm Depth 5 9 16 14 129 cm Weight 8 648 lbs 3...

Страница 15: ... Figure 5 Figure 5 Standalone Two wire Telephone Unit Power Ground Connections POWER 120 V ac 24 130 V dc TB1 1 Neutral V dc TB1 2 Ground Ground TB1 3 Live V dc TB1 TB2 J4 Ring Tip Ground Live Neutral Station Side Main Board Power Supply Board Station Side Standby Battery in the advent of Station side power failure CO Side Battery 3 2 1 CO Side Main Board TB1 RMT GND Ring Tip To Central Office Sta...

Страница 16: ...terminal 2 of the power supply board or the external ground lug connection It must not be connected to both to avoid inductive loop 7 Both TB1 terminal 2 and the external ground lug connection may be used to provide a common ground as long as ground loop limitations are recognized GND LUG is the preferred way of grounding 8 The Tip and Ring of the Station side are connected to TB2 9 The loop volta...

Страница 17: ...tact Positron s Customer Support department Power should only be applied after all wiring is completed The station and CO cables should be kept at least six inches apart upon wiring in order to prevent an electric arc between the two in the event of damage to or degradation of their insulation 1 Verify that you have the following customer provided tools and hardware which are required to install t...

Страница 18: ...elf accessory kit 1 7501 22 02 6 power cable 3 conductor 1 207 990000 020 10 insulated cable 12 conductor 1 207 990000 138 Connector cord grip 1 2 hub 1 230 990400 036 Connector cord grip 1 2 hub 1 230 990400 037 Connector cord grip 1 2 hub 1 230 990400 038 Instruction sheet strain relief 1 241 010016 001 Fuse 2 A 250 V 1 248 990000 008 Terminal block 0 2 1 666 990000 071 Terminal block 0 2 1 666 ...

Страница 19: ...telephone cable entry The orientation of the unit does not matter 8 Plug the power supply s output connector into receptacle J4 of the main isolation card To locate J4 and the output of the power supply refer to Figure 2 9 The strain reliefs supplied each have a cable entry diameter appropriate to one of the three cables employed in this installation The CO cable strain relief is the largest accom...

Страница 20: ... protects the power supply card against improper connection of the battery leads Should the fuse blow correct the wiring error and replace the fuse 12 Apply power to the unit and use a digital voltmeter to measure the voltage across the terminals of TB1 on the power supply card The voltage should correspond to the source voltage to within 1 Cable Signal Color Coding Connector Position Station Tip ...

Страница 21: ...ok 14 Ensure that there are no excess wires dangling into the isolation gap between the Station and CO side circuits Then close and secure the shelf cover with the captive screws 15 Verify that the unit is functioning as it should by checking that an applied signal is correctly received Note Not all applications of the Standalone Telephone Unit model 751221 require a remote ground connection ...

Страница 22: ...1 Remove the retaining clamp holding the battery in place For the location of the retaining clamp refer to Figure 2 2 Disconnect the battery and dispose of it in a government approved waste site Caution The batteries contain toxic lead and corrosive acid and as they are user replaceable should only be disposed of in government approved waste sites 3 Position a new battery in place and refasten the...

Страница 23: ...ng information regarding field assistance may be obtained by contacting the Technical Customer Support department Please contact Positron for scheduling at least four weeks prior to the actual requested visit date Customer Training Positron offers full customer training courses as requested Seminars are also available on High Voltage Interface HVI For more information contact a customer representa...

Страница 24: ...e this into consideration when requesting a Return Material Authorization RMA number Before returning any items to Positron for repair warranty repair or replacement call the Repair department to obtain an RMA number Parts returned without RMA numbers cannot be accepted The RMA number must always be clearly marked on all boxes and crates and on all shipping documents Items under warranty are to be...

Страница 25: ...n site All orders must be followed by a confirming order Equipment will not be shipped until such confirmation is received For a list of our contact information refer to Table 5 Table 5 Positron Contact Information Address Positron Inc 5101 Buchan St Montreal Quebec Canada H4P 2R9 Main telephone number 514 345 2200 Customer Service department telephone number 514 345 2200 1 888 577 5254 General e ...

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