TR41.1.1-05-08-006
DOCUMENT SUBMITTED TO:
TR-41.1.1 Meeting
The document to which this cover statement is attached is submitted to a Formulating Group or sub-element thereof of the Telecommunications Industry Association (TIA) in accordance with the provisions of Sections 6.4.1-6.4.6 inclusive of the TIA Engineering Manual dated March 2005, all of which provisions are hereby incorporated by reference.
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SOURCE:
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Hewlett Packard
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CONTACT:
| Bharat Singh
Hewlett Packard
16399 West Bernanrdo Dr 8-90
San Diego, CA 92127
Telephone: 858-655-4891
Fax: 858-655-3961
Email: bharat.singh@hp.com
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TITLE:
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Modification of the Battery to DC voltage of TR41.1.1 draft document
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PROJECT NUMBER (PN):
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TR 41.1
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DISTRIBUTION:
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TIA TR41.1.1
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INTENDED PURPOSE OF DOCUMENT:
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__X_
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FOR INCORPORATION INTO TIA PUBLICATION
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FOR INFORMATION
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OTHER (Please describe)__ ________________________
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ABSTRACT:
Battery Voltage changes have been proposed to be incorporated in the TR41.1.1 draft.
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Item 1
The reference of battery in this document is for historical reasons because most of the material was leveraged from CO equipment and PBX’s. The battery term indicates storage energy source. In other words, Tip/ring voltage will be provided by the ATA even during AC power failure to the ATA. Since ATA is an ONS device and will be only AC powered, the term battery is not correct in this document and should be replaced by Tip/Ring DC voltage.
Proposal
Section 5.1.1.2 – Change Item (1) from ‘Battery for talking and supervisory purposes.’ To ‘Tip/Ring DC voltage for talking and supervisory purposes’
Section 5.1.3 – Change heading from ‘Battery Voltage’ to ‘DC Tip/Ring Voltage’
Section 5.1.3.1 – Change sentence from ‘Battery voltages applied by the analog telephone port…’ to ‘DC voltage applied by the analog telephone port…’
Section 5.1.3.4 Change from ‘The analog telephone port shall not interrupt battery on the ring conductor or the tip conductor or both for longer than 300 ms, except to transmit a timed disconnect signal toward the customer equipment.’ To ‘The analog telephone port shall not interrupt DC voltage on the ring conductor or the tip conductor or both for longer than 300 ms, except to transmit a timed disconnect signal toward the customer equipment or during AC power failure supplied to the Analog Telephone Adapter.’
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