Instruction/ maintenance manual of the product U-BR1TE ADTRAN
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JOB A ID 61180020L1-22A 0004 U-BR1TE CLEI: SIC2XY0K _ _ DESCRIPTION The U-BR1TE is a line card that plugs into a single channel slot of a T otal Access 750/850/1500 channel bank. It pro vides an ISDN U-interface and allows the transport of Basic Rate 2B+D information o ver T1 carr iers.
ML T3.0/ISDN CHANNEL TEST (T A 1500 ONL Y) Channel T est (LUNT Mode) U pon detection of the T est I nitiative V oltage (116Vdc behind 8k Ω applied to Tip with Ring open) the LUNT does the follo wing: ■ The channel unit sends a Channel T est mp-eoc message downstream to the L UL T , signaling the request for a ML T channel test.
An important point after buying a device ADTRAN U-BR1TE (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ADTRAN U-BR1TE yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ADTRAN U-BR1TE - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ADTRAN U-BR1TE you will learn all the available features of the product, as well as information on its operation. The information that you get ADTRAN U-BR1TE will certainly help you make a decision on the purchase.
If you already are a holder of ADTRAN U-BR1TE, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ADTRAN U-BR1TE.
However, one of the most important roles played by the user manual is to help in solving problems with ADTRAN U-BR1TE. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ADTRAN U-BR1TE along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
