Instruction/ maintenance manual of the product 4303 PLUS ADTRAN
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ALARM RELA YS There ar e eight alar m relays that pro vide normally open or normally closed contacts for each of the following alarms: ■ Visual Critical ■ Visual Major ■ Visual Minor ■ Audible.
TURNUP STEPS T o install the T otal Access 4303 Plu s DC Po wer Supply , perform the following steps: After unpacking the T otal Access 4303 Plu s DC Po wer Supply , inspect it for damage. If damage is found, file a claim with the carrier and then contact ADTRAN ® Customer Service.
An important point after buying a device ADTRAN 4303 PLUS (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 4303 PLUS 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 4303 PLUS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ADTRAN 4303 PLUS you will learn all the available features of the product, as well as information on its operation. The information that you get ADTRAN 4303 PLUS will certainly help you make a decision on the purchase.
If you already are a holder of ADTRAN 4303 PLUS, 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 4303 PLUS.
However, one of the most important roles played by the user manual is to help in solving problems with ADTRAN 4303 PLUS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ADTRAN 4303 PLUS 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
