Adtran
Model# NxDBU Module
Part# 1200158L1#HS
Combines a DBU function with a V.35 Nx56/64 interface. Upon dedicated circuit failure the DBU will reroute data to the external Dial-up path. Multiple NxDBU modules can be installed in a TSU 600. (Does not accept a plug-on board) (HOT SWAPPABLE)
ADTRAN list price $545
Like all Adtran products the NxDBU Module part # 1200158L1#HS carries a five year warranty.
1200158
Product information:
TSU Dial backup options data sheet
Disaster Recovery Application Brief
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