Positron Teleline Isolator 7501-16A, Description And Installation

Page 1: ...Plug in OPX Card 7501 16A B and C Description and Installation...

Page 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 sub...

Page 3: ...Contents i o02i1100TOC fm 1 The Plug in OPX Card 1 2 Applications 3 3 Hardware Description 9 4 Technical Specifications 11 5 Installation 14 6 Service and Support 18...

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Page 5: ...lude the following The card may be used with both the old and the new generation Three Five and Eight card Teleline Shelf The OPX Card is completely bi directional to all loop signalling i e line volt...

Page 6: ...GAP 4 ISOLATION TRANSFORMER ISOLATION TRANSFORMER mA C O mA STATION EQUALIZE mA MONITORING JACK MONITORING JACK TRIM POTS NOTE The faceplates of models 7501 16B and C will bear their respective model...

Page 7: ...r to Figure 4 Automatic ring down For an illustration of this application refer to Figure 5 Radio keying For an illustration of this application refer to Figure 6 Loop start telephone Call waiting pul...

Page 8: ...ace Applications Plug in OPX Card Model 7501 16A B or C Communications Cable 300 Volt Point 300 Volt Point 300 Volt Point Zone of Influence Metal Conduit PVC Conduit Lightning Arrestor CENTRAL OFFICE...

Page 9: ...sion OPX Application STATION A STATION B ISOLATION CARD MODEL 751321 OPX CARD PBX EXT Note The isolation card is only required if a ground potential rise is possible at the remote site Station B If St...

Page 10: ...7501 16A B C 6 Plug in OPX Card Figure 4 Typical Direct Inward Dial DID Application CENTRAL OFFICE SUBSTATION OPX CARD PBX Ring Tip...

Page 11: ...Plug in OPX Card 7 7501 16A B C Figure 5 Typical Ring Down Application 0 1 STATION A OPX CARD RING GENERATOR RING GENERATOR STATION B OPX CARD...

Page 12: ...7501 16A B C 8 Plug in OPX Card Figure 6 Typical Radio Keying Application SUBSTATION OPX CARD RADIO...

Page 13: ...he Station side is separated from the CO side by the isolation transformers which create a 4 inch isolation gap For the card s block diagram refer to Figure 7 Figure 7 Block Diagram STATION SIDE CO SI...

Page 14: ...esigned and manufactured for low loss signal transmission while providing the high dielectric strength required for their intended use They provide the 4 inch isolation gap for the card Test Jacks The...

Page 15: ...0 kVrms 42 kV peak 30 kVrms 42 kV peak SUPPLY VOLTAGE Floating 105 to 150 V dc Grounded 21 to 27 V dc Grounded 42 to 56 V dc SUPPLY CURRENT 55 mA maximum 350 mA maximum 125 mA maximum POWER DISSIPATIO...

Page 16: ...measured at 10 dBm Better than 77dB from 300 to 3400 Hz measured at 10 dBm Better than 77dB from 300 to 3400 Hz measured at 10 dBm Dial pulse distortion 1 measured at 14 mA threshold output duty cycl...

Page 17: ...ysical Specifications Model 7501 16A B and C Parameter Specifications Operating temperature range 32 F to 122 F 0 C to 50 C Relative humidity 95 non condensing Height 12 30 48 cm Width 2 5 08 cm Depth...

Page 18: ...ng two 7501 16 cards refer to Figure 8 Figure 8 Ground Start Coin Circuit Using Two 7501 16 Cards Note 1 Type 7501 16 cards can be powered with either 24 V 48 V or 130 V dc the suffix A B or C specifi...

Page 19: ...the operating voltage the card is designed for 2 You cannot use cards powered by 130 V dc in the same shelf as 7501 04 cards that require a ringing generator RUGEN as the 130V and the RUGEN share the...

Page 20: ...the warranty For further information concerning ESD precautions contact Positron s Customer Support department The remote ground must be brought in on a separate pair Do not use the cable sheath Do no...

Page 21: ...lded anti static bag 2 Confirm that the isolation unit is an OPX Card by identifying the name and model number on the faceplate of the card 3 The card must be inserted rightside up and may be plugged...

Page 22: ...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...

Page 23: ...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...

Page 24: ...ite 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 3 Table 3 Positron Contact...

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