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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of ADTRAN U-BR1TE ISDN 2B1Q, 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 ADTRAN U-BR1TE ISDN 2B1Q 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 ADTRAN U-BR1TE ISDN 2B1Q. 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 ADTRAN U-BR1TE ISDN 2B1Q should contain:
- informations concerning technical data of ADTRAN U-BR1TE ISDN 2B1Q
- name of the manufacturer and a year of construction of the ADTRAN U-BR1TE ISDN 2B1Q item
- rules of operation, control and maintenance of the ADTRAN U-BR1TE ISDN 2B1Q 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 ADTRAN U-BR1TE ISDN 2B1Q 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 ADTRAN U-BR1TE ISDN 2B1Q, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the ADTRAN 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 ADTRAN U-BR1TE ISDN 2B1Q.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the ADTRAN U-BR1TE ISDN 2B1Q 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
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Page 1
U-BR1TE ISDN 2B1Q INTERF ACE[...]
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Page 2
U-BR1TE FEA TURES • Conforms to ANSI T1.601-1992 • Plugs into WECO D4 Channel Bank, ADTRAN BR1/8 BR1TE bank, and ACT 1241 • Designed for use in SLC-96 terminals • Basic Rate 2B+D service • Faceplate Bantam jacks for maintenance testing • TR-NWT-000397 3 DS0 format and T1 facility performance monitoring • Loopback features available on[...]
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Page 3
APPLICA TIONS The ADTRAN U-BR1TE is suitable for use in both Central Office and customer premises environments. The use of a single wire pair for full-duplex operations greatly simplifies the administration of cable plant. The capability of the U-interface to serve mixed wire gauges, and nominal distances up to 18,000 ft. make it the universal choi[...]
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Page 4
Loop Interface: Line: 2-Wire (TIP and Ring) Operating Mode: Full-duplex Data Rate: 160 kbps total; 144 kbps available to customer Signal Format: 2B1Q Output Amplitude: 2.5 Volt, Zero-to-Peak Tx Source Impedance: As per ANSI T1.601-1992 Rx Source Impedance: As per ANSI T1.601-1992 Receiver Sensitivity: As per ANSI T1.601-1992 DS1 Facility Interface:[...]