Valcom V-9941A manual

1
2
3
4
5
6
7

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Valcom V-9941A, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Valcom V-9941A one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Valcom V-9941A. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Valcom V-9941A should contain:
- informations concerning technical data of Valcom V-9941A
- name of the manufacturer and a year of construction of the Valcom V-9941A item
- rules of operation, control and maintenance of the Valcom V-9941A item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Valcom V-9941A alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Valcom V-9941A, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Valcom service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Valcom V-9941A.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Valcom V-9941A item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    VSP - V - 9941A Issue 4 1 947960 V - 9941A ONE ZONE H ANDSFREE TALKBACK CONTROL UNIT INTRODUCTION The V - 9941A is a One Zone Handsfree Page Unit for use on an Electronic Key system line key position, a PABX loop start trunk port, a dedicated single line telephone or a 600 Ohm two - way page port with a contact closure. These instructions contain t[...]

  • Page 2

    2 Dimensions/Weight • 8.25" H x 4.65" W x 2.30" D (20.96cm H x 11.81cm W x 5.84cm D) • 1.5 lbs. (0.68 kg) Power Requiremen ts • 21.5 to - 26VDC "B" Battery, 300mA maximum Environment Temperature: 0 to +50° C Humidity: 0 to 85% (non - precipitating) SYSTEM DESIGN General The Valcom V - 9941A talkback control unit is d[...]

  • Page 3

    3 INSTA LL AT ION WIRING INSTRUCTIONS: Place a check by each step as it is completed: __ 1. Connect Tip of the telephone system trunk position to the V - 9941A terminal 1 (TIP). __ 2. Connect Ring of the trunk port to the V - 9941A terminal 2 (RING). __ 3. Connect Tip and Ring of the talkback speakers to the V - 9941A terminals 6 and 7 (SPKR) of th[...]

  • Page 4

    4 __ 8. Connect - 24VDC ground (+) from power supply to telephone system GROUND. WIRING INSTRUCTIONS: __ 1. Connect Tip of the telephone system 600 Ohm page port to terminal 1 (TIP) of the V - 9941A. __ 2. Connect Ring of the 600 Ohm page port to terminal 2 (RING). __ 3. Conne ct one side of the telephone system dry contact closure to terminal 3 (G[...]

  • Page 5

    5 Vo lume Adjustments There are two volume controls on the V - 9941A. The control on the left adjusts the speaker to phone level and the control on the right adjusts the phone to speaker level. Turn the controls clockwise to increase the volume. __ a. Speake r to Phone: Adjust this control so the reply from the speaker is clear. IMPORTANT: This is [...]

  • Page 6

    6 TECHNIC AL ASSISTANCE When trouble is reported, verify that power is being supplied to the u nit and there are no broken connections. Check voltages for proper polarity on the cross connect block. Table 1 identifies symptoms of some possible problems with solutions. If a spare unit is available, continue to troubleshoot by substituting the spa re[...]

  • Page 7

    7 TROUBLESH OOTING CHART Problem Possible Solution 1. No talk battery on Tip and Ring 2. No paging at speaker 3. Paging at speaker but no reply from speaker a. Verify good connections on terminals 1 (TIP), 2 (RING), 3 (GND), an d 4 ( - 24VDC). Verify SW3 in "ON" position. a. Test system with two Lineman's Test sets: a. Disconnect TIP[...]