Adtran ISDN BRI DBU Module 1204004L1 DDS3TN0AAA
 

Adtran ISDN BRI DBU Module 1204004L1 DDS3TN0AAA
 

• 2B+D ISDN BRI dial backup via RJ-45 U-Interface
  (1B+D in DSU IV ESP, DSU IQ, and IQ 710 with 56/64 Network Modules)
• Provides dial backup for point-to-point networks
• Re-establishes physical layer connectivity in the event of DDS link failure
• Network redundancy independent of router
• Existing ESP and IQ units field upgradable
• Works in DSU IV ESP,TSU ESP,Express 5200 Series, DSU IQ, TSU IQ, TSU IQ+, IQ Probe
• Not compatible with the IQ 710

Data Connect Enterprise offers fulfillment of ADTRAN products
DCE also carries Like New, Refurbished, and Used ADTRAN equipment for resale and purchase
 along with Enhanced Warranty Protection Coverage.

Adtran Enterprise Product Specialists

Adtran Products