Instruction/ maintenance manual of the product AHT1U ADTRAN
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The ADTRAN Lo w V oltage Asynchronous Litespan HDSL T ransceiver U nit for the central office (HTU-C) is a DS1 interface unit that provides T1 service over four -wire interface facilities. The Low V oltage Litespan HTU-C combine ADTRAN HDSL technology and DSC Litespan technology to pro vide an HDSL interface to a Litespan system.
P r oduct Specifications LOOP INTERFACE ■ Modulation T ype: 2B1Q ■ Mode: Full duplex, echo cancelling ■ Number of pairs: T wo ■ Bit Rate: 784 kbps per pair ■ Baud Rate: 392 kbps per pair ■ Service Range: Defined by CSA guidelines ■ Loop Loss: 36 dB maximum @ 200kHz ■ Bridged T aps: Single T aps <2 kft, total taps ≤ 2.
An important point after buying a device ADTRAN AHT1U (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 AHT1U 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 AHT1U - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ADTRAN AHT1U you will learn all the available features of the product, as well as information on its operation. The information that you get ADTRAN AHT1U will certainly help you make a decision on the purchase.
If you already are a holder of ADTRAN AHT1U, 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 AHT1U.
However, one of the most important roles played by the user manual is to help in solving problems with ADTRAN AHT1U. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ADTRAN AHT1U 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
