ESP ISDN BRI DBU CARD, Part# 1204004L1-F
ADTRAN

ESP ISDN BRI DBU CARD, Part# 1204004L1-F

Availability: In Stock
$245.70
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Product features


Features:

  • Not compatible with the IQ 710
  • Network redundancy independent of router
  • Existing ESP and IQ units field upgradable
  • 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
  • Works in DSU IV ESP,TSU ESP,Express 5200 Series, DSU IQ, TSU IQ, TSU IQ+, IQ Probe


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