• About ADTRAN
  • Products
  • Solutions
  • Support
  • Training
  • Partners
  • My ADTRAN

ISU 2x64 Rackmount Module

Part Number:
1200074L1


Manufacturer Discontinued. There is no replacement for this part number.

  • Dual port U-Interface network termination device and terminal adapter
  • Provides dual EIA-530/EIA-232 serial interfaces
  • Provides for dial-up or leased line access
  • Synchronous DTE rates from 2400 bps to 64 kbps (dual port mode) and 128 kbps (single port mode)
  • Asynchronous DTE rates from 300 bps to 57.6 kbps (dual port mode) and 115.2 kbps (single port mode)
  • Remote configuration over the ISDN line
  • BONDING protocols for aggregating 64 kbps B-Channels
  • Switch type support includes National ISDN-1, Lucent 5ESS, Nortel DMS-100 and NEC

Support Documentation
Please browse the ADTRAN Support Community for available technical documentation.
Installation and Maintenance Services
ProServices
Gain access to technical expertise, hardware replacement, and software upgrades
Product Registration
Product Registration
Register to activate warranty and other service benefits that may be included with your product
Software Downloads

No software available.

Contact Support
End-of-Life Support

Learn more about the support of products that have been replaced or are no longer available for purchase.

Design Assistance
Get expert advice with network assessment and design

Post-Sales Technical Support
Request configuration or troubleshooting assistance
Warranty, Repair, and Replacement
Submit an RMA Request
Initiate Return Materials Authorization (RMA) for product repair

Warranty Information
Lookup warranty information by serial number or by part number