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44443-1098 <90-00059>

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IMITED

 W

ARRANTY

The Seller warrants that the standard hardware products sold will be free from defects in material and work-

manship and perform to the Seller’s applicable published specifications for a period of 18 months for hardware,

and 3 months for software, from the date of the original invoice. The liability of the Seller hereunder shall be

limited to replacing or repairing, at its option, any defective products which are returned F.O.B. to the Seller’s

plant, (or, at the Seller’s option, refunding the purchase price of such products). In no case are products to be

returned without first obtaining permission and a customer return authorization number from the Seller. In

no event shall the Seller be liable for any consequential or incidental damages.
Equipment or parts which have been subject to abuse, misuse, accident, alteration, neglect, unauthorized

repair or installation are not covered by warranty. The Seller shall make the final determination as to the

existence and cause of any alleged defect. No warranty is made with respect to custom equipment or products

produced to the Buyer’s specifications except as specifically stated in writing by the Seller in the contract for

such custom equipment.
This warranty is the only warranty made by the Seller with respect to the goods delivered hereunder, and may

be modified or amended only by a written instrument signed by a duly authorized officer of the Seller and

accepted by the Buyer.
Warranty and remedies on products not manufactured by the Seller are in accordance with warranty of the

respective manufacturer. THE SELLER MAKES NO OTHER WARRANTY OF ANY KIND WHATSOEVER,

EXPRESSED OR IMPLIED; AND ALL IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PUR-

POSE WHICH EXCEEDS THE AFORESAID OBLIGATIONS IS HEREBY DISCLAIMED BY THE SELLER.

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IFFICULTY

If you experience difficulty with this equipment, check the following, as appropriate:

1. Switch settings

2. Signal levels

3. Software configuration

4. Connections between Dantel’s equipment and your equipment.

If there is still a problem, substitute equipment that is known to be good. For additional assistance, call

Dantel’s Technical Field Service Department weekdays, 6 

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. to 5 

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. pacific time:

1-800-4DANTEL (1-800-432-6835).

If a thorough checkout shows a piece of equipment has malfunctioned, you may return it to the factory. For

repairs and emergency replacements, obtain a Return Material Authorization (RMA) number from the Cus-

tomer Service Representative at 

1-800-4DANTEL

 (1-800-432-6835).

To ensure expedient processing of your order, provide a purchase order number and shipping and billing

information when requesting an RMA number. Also, when the units are returned to Dantel, include a descrip-

tion of the failure symptoms for each unit returned. Send defective equipment to:

Dantel, Inc.

2991 North Argyle Avenue

Fresno, California 93727-1388

P.O. Box 55013 • Fresno, CA 93747-5013

Phone (209) 292-1111

Fax (209) 292-9355

http://www.dantel.com

WARRANTY

Содержание 44443

Страница 1: ...Technical Reference TR NWT 000870 Copyright 1998 by Dantel Inc Dantel is a registered trademark of Dantel Inc ISO 9001 Registered Printed in the U S A INSTALLATION OPERATION MANUAL 44443 1098 90 00059...

Страница 2: ...et applications The 44443 Term Set is a plug in printed circuit module that fits into any 400 type or similiar equipment housing The 44443 00 is a passive device which requires no supply voltage The 4...

Страница 3: ...3 S3 1 S3 4 S3 5 S3 6 T GND T R J2 4W RCV 5 4 3 1 2 4 WIRE RECEIVE OUT 6 COM 1 IN 5 600 900 10 12 600 900 7 9 11 S1C S1A 8 T1 900 600 S2C 1 6 2 3 4 5 600 900 19 27 T2 900 600 S2A 600 900 S2B 7 9 11 12...

Страница 4: ...The voice signal at the secondary of T2 is attenuated by a 600 ohm switchable pad and applied to pins 55 and 49 at the 4 wire XMT port Receive Mode In the receive mode a voice frequency entering pins...

Страница 5: ...inates the need for a resistive voltage drop for 24 or 48 VDC supplies Idle Line Termination Circuit When K1 is energized the normally closed side of K1A opens and the 600 ohm ILT branch is disconnect...

Страница 6: ...NEJACK PABX LINE STATION SELECTOR 49018 DTMF DECODER 44020 BUSY TONE GENERATOR J3 TIP RING REVERSED SWITCH DROP LINE Fig 2 shows a 44443 Term Set as part of a 00331 DTSS3ON Order Wire PABX Interface T...

Страница 7: ...Strap Options Set the switches and straps using Fig 3 and Table A FIG 3 44443 TERM SET SWITCH AND STRAP LOCATIONS 44443 XX TERM SET A11 44443 00 RCV ATTEN dB OUT IN OUT IN 4 WIRE LINE XMT RCV 2 WIRE...

Страница 8: ...to ILT ILT Bypass IN Load Strap to ES ILT Bypass IN Load Strap to OUT Wiring Normally the 44443 is used in a shelf that is pre wired at the factory Fig 4 shows the edge connector pin designations if...

Страница 9: ...15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CIRCUIT SIDE OF PC BOARD COMPONENT SIDE OF PC BOARD 4W XMT D Lead 4W XMT 2W R B Lead A Lead 2W T Ground ILT Relay Positive Input 01 only G Lead ILT Relay Negative...

Страница 10: ...dBmO Measure minimum tone level Adjust S3 1 thru S3 6 for minimum level ACTION Remove Term Set and insert extender card in its place Insert Term Set into extender card When aligning 01 energize ILT r...

Страница 11: ...cts to the output of the Term Set Echo Suppression Override Idle Line Termination Applications The 44443 01 features a relay activated echo suppression branch across the 4 wire XMT port This circuit i...

Страница 12: ...cturer s authorized agent 5 When the installation of this device requires connection or changes to the internal wiring of registered telephones or other registered devices such changes and connections...

Страница 13: ...Dissipation during relay operation 01 option only Physical Dimensions Weight 00 01 Operating Temperature Range VALUE 600 or 900 ohm in series with 2 15 uFd capacitor 600 ohm 5 4 5 dB nominal mid range...

Страница 14: ...n instrument signed by a duly authorized officer of the Seller and accepted by the Buyer Warranty and remedies on products not manufactured by the Seller are in accordance with warranty of the respect...

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