CSU-DSU

Customer Service Unit 
Digital Service Unit

• Adtran
  56, 64, T1, Fractional T1, Rate-Adaptive, Asynchronous

• BAT Electronics
  T1, 56, 64, Rate-Adaptive, VDC, temperature rated

• Codex
  56, 64, T1, Fractional T1

• GDC
  56, 64, T1, Fractional T1, Rate-Adaptive, Asynchronous

• Multitech
  

• Motorola
  Codex, UDS

• Patton
  

• RAD
  

• UDS
  

• G703 / G704

Modems

• ARC Modem Line Power  
• ARC Modem Low Power  
• ARC Modem Industrial DC Power
• ARC CELL Modem DC Power
  complete cellular transceiver and modem
• ARC Modem
  Bell 103, 212ALP - V.22, V.22bis, V.32, V.32bis, V.34, RF, Cellular
• BLACK BOX
  V.32, V.22bis, 201, 208, 202T
• MOTOROLA (UDS) DC POWER MODEM
  V.32, V.22bis, 201, 208, 202T (AC & DC power)
• SIXNET DC MODEM, DIN Rail
  103, 212, V.22bis, V.32bis, V.34,
• STAR-COMM Modem
  202T, V.22bis, V.32bis, V.34, DC &VAC power , DIAL and 2 or 4 LEASED LINE MODEMS 
• TELENETICS DC POWERED MODEM
  202T, V.22bis, V.32bis, V.34, Fiber modems, RF modem, modem DC power
• TELEBYTE TECHNOLOGY PIN POWER & DC POWERED
  Line Drivers, Fiber short haul modems, Interface Converters, Opto isolation
• PATTON ELECTRONICS PIN POWER & DC POWERED
  Line Drivers, Fiber short haul modems, Interface Converters, Opto isolation
• ZYPCOM / RACAL VADIC DC POWERED MODEM
  V.32, V.22bis, 201, 208, 202T