T3SU 300 (2nd Gen)

Part Number:

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

The T3SU 300 is an unchannelized T3 DSU/SCU providing a built-in HSSI interface and three module slots.
  • Transports data, video, and voice over unchannelized T3/DS3 circuits
  • Three expansion slots for optional HSSI, V.35, Ethernet Bridge or Quad DSX-1 modules
  • Option slots can only be used in point-to-point applications
  • HSSI interface supports up to 44.2 Mbps in 75 Kbps increments
  • Integral 10Base-T Ethernet interface for management
  • Built-in V.34 modem for remote management
  • Interoperable with Cisco and Juniper at T3 subrates
  • Configuration, diagnostics and performance monitoring using SNMP, Telnet or VT100
  • Input Power: 120 VAC, 60 Hz, 9W

Support Documentation
Please browse the ADTRAN Support Community for available technical documentation.
Installation and Maintenance Services
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
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