Adtran 4-Wire Switched 56 DBU Module
1204001L1 DDS3SM0AAA

Adtran 4-Wire Switched 56 DBU Module 1204001L1 DDS3SM0AAA

• 4-wire Switched 56 dial backup interface via RJ-45
• 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+, and IQ Probe

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