Instruction/ maintenance manual of the product DS3 MX ADTRAN
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JOB A ID 61181020L1-22A 0008 DS3 MX CLEI: M3CMSP0E_ _ DS3MX 1181020L1 LOCKOUT ON LINE APS TEST/ ENABLE POWER ST A TUS TEST ST A TUS LEDs POWER ● ● OFF No po wer is present on the unit ● YELLO W .
LOOPBACK INFORMA TION External Coax DS3 Loopbacks T wo types of External Coax DS3 loopbacks can be used to isolate trouble and verify proper DS3 data path operation. F or accurate isolation, this type of loopback is preferr ed over the menu selected loop- backs since it checks the entire signal path and isolates the equipment at each end.
An important point after buying a device ADTRAN DS3 MX (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 DS3 MX 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 DS3 MX - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ADTRAN DS3 MX you will learn all the available features of the product, as well as information on its operation. The information that you get ADTRAN DS3 MX will certainly help you make a decision on the purchase.
If you already are a holder of ADTRAN DS3 MX, 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 DS3 MX.
However, one of the most important roles played by the user manual is to help in solving problems with ADTRAN DS3 MX. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ADTRAN DS3 MX 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