Telephone Equipment. Integrated Telephone System. Black Version. White Version. Unauthorized copying and. Please refer to the original Operating Instructions for further information.
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All rights reserved. Unauthorized copying and distribution is a violation of law. Please refer to the original Operating Instructions for further information. This model, and others like it, manufactured using lead free solder will have PbF stamped on the PCB.
For service and repair work we suggest using the same type of solder although, with some precautions, standard Pb solder can also be used. In case of using high temperature soldering iron, please be careful not to heat too long. PbF solder will tend to splash if it is heated much higher than its melting point, approximately F C. If you must use Pb solder on a PCB manufactured using PbF solder, remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder.
When applying PbF solder to double layered boards, please check the component side for excess which may flow onto the opposite side See the figure below Suggested PbF Solder There are several types of PbF solder available commercially. Please check the manufacturer s specific instructions for the melting points of their products and any precautions for using their product with other materials.
The following lead free PbF solder wire sizes are recommended for service of this product: 0. When replacing, the following precautions will help prevent recurring malfunctions.
Cover the plastic parts boxes with aluminum foil. Ground the soldering irons. Use a conductive mat on the worktable. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer s Instructions. Installing the Batteries 4. Battery Replacement 6. Use only a telephone line cord included in the unit. How to Release the Establishment of Password After the following procedure, you will be able to establish a new password.
Making Calls 8. Answering Calls For Call Waiting Service Users 8. To remove. Board Screws 2. B 6 Screws 2. C 4 Main P. Board Off hook Q turns on thus providing an off-hook condition active DC current flow through the circuit and the following signal flow is for the DC loop current. The unit starts operating soon after the voltage goes beyond point A in the voltage diagram.
For this reason, the operation of this circuit assumes that a caller ID service contract has been entered for the circuit being used.
It is possible to do only reading action when high level input and it is possible to do reading and writing action when low level input. An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil. Add a small amount of solder to the bridged pins.
With a hot iron, use a sweeping motion along the flat part of the pin to draw the solder from between the adjacent pads. Be certain each pin is located over the correct pad on the PCB. Apply flux to all of the pins on the IC. Being careful not to unsolder the tack points, slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as they are heated.
After the discontinuation of this assembly in production, the item will continue to be available for a specific period of time. The retention period of availability is dependant on the type of assembly, and in accordance with the laws governing parts and product retention.
After the end of this period, the assembly will no longer be available. Important safety notice Components identified by the mark indicates special characteristics important for safety.
When replacing any of these components, only use specified manufacture s parts. The S mark means the part is one of some identical parts. For that reason, it may be different from the installed part. Part No. Board Parts Ref. SW Hook switch. SW1: Ringer selector. DC voltage measurements are taken with electronic voltmeter from negative voltage line.
Add 40 ma to telephone line from the loop simulator. Off-hook condition 6. No Mack: Handset Mode 7. This schematic diagram may be modified at any time with the development of new technology. The shades area on this schematic diagram incorporates special features important for protection from fire and electrical shock hazards. When servicing, it is essential that only manufacture s specified parts be used for the critical components in the shaded areas of the schematic.
If there is any problem, unplug the extension line and connect a known working. Integrated Telephone System Model No. Quick Reference Guide Model No. If there is any problem, unplug the extension line and connect a known working phone. Copyright Elenco Electronics, Inc. If there is any problem, unplug the extension line and. We also recommend you to keep this manual. Call for the location of an authorized service. Needs a serial cable, with at least. Wireless Home Security System Product Manual Model Installation Instructions During set-up, if no key is pressed for 15 seconds it will come out of the setup mode and you will have to start over.
Introduction The detects the tones generated when numbers are dialed on your touch tone telephone and speaks the numbers that were dialed.
This verifies that you dialed the correct number and is especially. If there is any problem, unplug the extension. Introduction 3 2. Features 3 3. Specification 4 4. Identifying Supplied Parts 4 5. Panel Description 5 6. Dallas Delta Corporation Pty. East Brunswick, Vic.
Tel: Fax: Email: sales dallasdelta. You must subscribe to the appropriate service offered. Model No. Please read this manual carefully before using this product and save this manual for future use.
For more details, please. Taught and Trained by Experienced Teachers. Determine the position for the Hands-free phone in the elevator phone. The new Velleman Projects catalogue is now available. Download your copy here: www. H IP 2 rev. Prevention is better than cure. So use this. The dialer can send two different 10 second voice messages. Modifying the Yaesu FT External Camarillo, CA Forum Participate our Velleman Projects Forum.
We are grateful you have chosen application. Power supply REV-A All rights reserved. No part of this book shall be reproduced by any means; electronic, photocopying,. Preventative Repair Measures. Specifications subject to change without notice.
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