Black Box DB25 manual

1
2
3
4

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Black Box DB25, 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 Black Box DB25 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 Black Box DB25. 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 Black Box DB25 should contain:
- informations concerning technical data of Black Box DB25
- name of the manufacturer and a year of construction of the Black Box DB25 item
- rules of operation, control and maintenance of the Black Box DB25 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 Black Box DB25 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 Black Box DB25, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Black Box 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 Black Box DB25.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Black Box DB25 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

    1 Data Broadcast Units: Fully regenerate an async host signal and broadcast it out to eight slave ports. Choose from DB25 or RJ-11 versions. Buffered Data Broadcast Units: Port buffering lets your connected devices receive data continu- ously , regardless of their speeds. Parallel Data Broad- cast/Fallback Unit: Sends parallel data to two printers [...]

  • Page 2

    2 Enhance a security system with parallel data output using the Parallel Data Broadcast/Fallback Unit. On-Line Data Feed Electronic Sign Board CEO’s Async Terminal Async Terminal in Boardroom Async Terminal in Chicago Office Async Terminal in Mfg. Plant Line Driver Line Driver Modem Modem Data Broadcast Unit RS-232 Cable Telco Line Parallel Cable[...]

  • Page 3

    3 Flow Control: Software only, transparent to speed and data Pins Supported: TL158A-R4, TL158AE-R3: 4, 5, 6, 8, and 20; TL159A: 2, 3, and 7 Protocol: Async Speed: Transparent User Channels: 8 CE Approval: TL158AE-R3 Interface: RS-232 (DTE/DCE) Connectors: TL158A-R4, TL158AE-R3: (9) DB25 F; TL159A: (9) RJ-11 F Indicators: (10) LEDs: PWR, Channels 1 [...]

  • Page 4

    4 Ordering Information ITEM CODE Data Broadcast Units DB25 115-V AC .................................................................................................................................................................................TL158A-R4 230-V AC ......................................................................................[...]