Руководство по эксплуатации ADTRAN Total Access 750

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BCU
1175012L1
A
D
M
I
N
Section 61175012L1-5D
Issue 4, July 2000
CLEI Code # SIUXJKAB_ _
TM
Total Access 750 Bank Controller Unit
TA 750 BCU
Installation and Operation
CONTENTS
1. GENERAL ................................................................... 1
2. INSTALLATION/OPERATION .................................. 2
3. OPTIONS ..................................................................... 2
4. TESTING ..................................................................... 4
T
5. SPECIFIC

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DIP switch S1 must be provisioned while the BCU is Changes or modifications not expressly approved by withdrawn from the chassis. Once installed, any ADTRAN could void the user's authority to operate this equipment. software provisioning made will override the DIP switch settings. If the unit is withdrawn and Functional Description reinserted (power cycled) the software options remain The TA 750 BCU provisions, operates, monitors, and in effect. If a DIP switch setting is changed while tests al

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enabled, after approximately eight minutes of Network T1, Clock source, Alarms, Fractional T1, and keyboard inactivity, the terminal times out and returns Management. Refer to the TA 750 Chassis Installation to the password login screen. and Maintenance Practice, part number 61175001L1- 5, for additional information on rear panel MENU NAVIGATION connections. Table 3 describes the T1 pinout To traverse through the menus, select the desired entry connections. and press ENTER. To work backwards i

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Table 3. Pinout Connectors for RJ-48 T1 4. TESTING Interface The TA 750 BCU provides a variety of test options for both the Network T1 and DS0 access modules. PE INNN AM DESCRIPTIO The faceplate of the BCU provides a bantam jack for Receive data from local T1 test access. DS0 test access for the digital 11 R1 - RING Network DS1 access modules (OCU DP, DS0 DP, U-BR1TE) is Receive data from provided via bantam jacks on the faceplate of each 21 T1 - TIP Network DS1 unit. 3DU- NUSE Faceplate Banta

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6. MAINTENANCE The TA 750 BCU does not require routine 1 +5 V 6 maintenance for design operation. 2 GND 7 TEST 3 64 kHz ADTRAN does not recommend that repairs be 8 8 kHz 4 attempted in the field. Repair services are obtained 9 5 by returning the defective unit to ADTRAN Customer Service department. Figure 3. DB-9 Connector Pinout 7. WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within T1 Loopbacks 10 years from the date of shipment if it does not meet The TA 750 supp