Table of Contents
Dial Backup Overview ........................................................................................... 1
Interfaces ................................................................................................................ 2
Compatibility .......................................................................................................... 3
Physical Description .............................................................................................. 4
Unpack & Inspect ................................................................................................. 5
ADTRAN Shipments .............................................................................................. 5
Customer Provides ................................................................................................. 5
Power Connection ............................................................................................ 6
Wiring ..................................................................................................................... 8
Originate DCE .................................................................................................. 8
Answer DCE ...................................................................................................... 8
Power-Up Initialization .......................................................................................... 9
Chapter 3. Operation ........................................................................................ 11
Overview ............................................................................................................... 11
Menu Structure ............................................................................................... 11
Operation ........................................................................................................ 13
Operation ........................................................................................................ 14
Operation ........................................................................................................ 16
Operation ........................................................................................................ 19
61200.089L2-1
DBU Interface Option Module User Manual
Table of Contents
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