Free Shipping on most orders over $100!*
Your Shopping CartYour Shopping Cart: 0 Items Your Shopping CartYour Shopping Cart: 0 Items

Your cart is empty.

Call the Mac experts! (888) 769-7629
Sign up for our Max Mail Newsletter!
Meet Max the Sasquatch
Apple Authorized Reseller

Dsu Iii Ar Dc All Rate Dsu/Csu 4wire V35 and Eia 232 Dte Dc Powe

Dsu Iii Ar Dc All Rate Dsu/Csu 4wire V35 and Eia 232 Dte Dc Powe
This product is
currently unavailable.
Please call 1-888-769-76291-888-769-7629
Item Number: adt-1200270l1
Vendor Number: 1200270L1
Vendor: Adtran General Hardware A Acn
Free shipping on this item
Chat with or call a Mac expert at 1-888-769-76291-888-769-7629
Call for availability

The ADTRAN DSU III AR is a technologically advanced, high performance data service unit/channel service unit (DSU/CSU). This unit provides a reliable interface between the digital data service (DDS) or 4-wire Switched 56 (SW56) network and the customer s data terminal equipment (DTE). The unit is an all-rate DSU/CSU supporting synchronous and asynchronous data rates on the primary channel.

General Information

Manufacturer Part Number1200270L1
Manufacturer Website Address
Product LineDSU III AR
Product TypeCSU/DSU


Serial V.35 InterfaceYes
Serial PortYes

Power Description

Input Voltage48 V DC
Maximum Power Consumption8 W

Physical Characteristics

Weight (Approximate)3 lb


Additional Information

Receiver Sensitivity:

  • -45 dB at all rates

Switched Mode Dialing Options:

  • Stored number
  • Front panel keypad
  • DTR dialing of stored number
  • In-band AT commands
  • V.25 bis in-band dialing

Data Buffering:

  • Internal slack buffer


  • Normal DDS or private network tributary slaved to network receive clock)
  • Private network master (internal)
  • Normal DDS with tail circuit
  • Private network master (slaved to external clock)
Certifications & Standards
  • FCC Part 15, Class A
  • FCC Part 68
  • Industry Canada CS03
  • UL and CUL


Limited Warranty5 Year
Check Out with PayPal