Instruction/ maintenance manual of the product Total Access 750 ADTRAN
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1 61175012L1-5D Section 61175012L1-5, Issue 4 Section 61175012L1-5D Issue 4, July 2000 CLEI Code # SIUXJKAB_ _ 1. GENERAL This practice provides installation and operation procedures for the ADTRAN Total Access TM 750 Bank Controller Unit (BCU) common module, List 1.
2 Section 61175012L1-5, Issue 4 61175012L1-5D Changes or modifications not expressly approved by ADTRAN could void the user's authority to operate this equipment. Functional Description The TA 750 BCU provisions, operates, monitors, and tests all TA 750 access modules including Quad FXS, Quad FXO, OCU DP, DS0 DP, and Nx56/64 DSU DP.
3 61175012L1-5D Section 61175012L1-5, Issue 4 enabled, after approximately eight minutes of keyboard inactivity, the terminal times out and returns to the password login screen. MENU NA VIGA TION To traverse through the menus, select the desired entry and press ENTER.
4 Section 61175012L1-5, Issue 4 61175012L1-5D Table 4. LED Indication D E Ln o i t i d n o Cn o i t p i r c s e D k r o w t e N 1 T : f f O : d e R : w o l l e Y : n e e r G : n e e r G g n i h s a l F . r e w o p o N 1 T ( m r a l A d e R n i t i n U .
5 61175012L1-5D Section 61175012L1-5, Issue 4 TEST +5 V GND 64 kHz 8 kHz 1 2 3 4 5 6 7 8 9 Figure 3. DB-9 Connector Pinout T1 Loopbacks The TA 750 supports several T1 loopbacks via the craft interface. These loopbacks include: • Initiating a remote payload or line loopback command (ESF mode only).
An important point after buying a device ADTRAN Total Access 750 (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 Total Access 750 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 Total Access 750 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ADTRAN Total Access 750 you will learn all the available features of the product, as well as information on its operation. The information that you get ADTRAN Total Access 750 will certainly help you make a decision on the purchase.
If you already are a holder of ADTRAN Total Access 750, 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 Total Access 750.
However, one of the most important roles played by the user manual is to help in solving problems with ADTRAN Total Access 750. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ADTRAN Total Access 750 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