SA18 - USB 1.1 Interface Adapter

The SA18 provides the transceiver part of a USB 1.1 interface, using a standard type A connector and connected by a ribbon cable.

SA-Adapters are small universal boards providing the physics for legacy serial I/O, fieldbus interfaces and other small I/Ofunctions. One serial line is provided per adapter, which can be plugged directly to the CPU board as a mezzanine. Alternatively, the adapter can be connected to the front panel via ribbon cable. The SA concept allows to add additional I/O interfaces to many of MEN's CPU boards, enhancing flexibility with regard to the line transceivers and isolation requirements. Whether a specific SA-Adapter (or a mix of different SA-Adapters) fits on a specific CPU board is determined by a combination of mechanical, performance, FPGA and operating system criteria and needs to be verified for every board configuration requested.


  • 1 USB 1.1 channel
  • Standard USB connector (Type A)


  • USB 1.1
  • Data rates up to 12Mbit/s
  • OHCI implementation
  • Up to 127 devices controlled by one controller
  • Support of all transfer modes (control, interrupt, bulk, isochronous)
  • Self powered hub functionality
Peripheral Connection
  • Type A connector at front panel
  • Power line pin overcurrent limited and fused against short cicuit
  • Thermal shutdown
  • Nominal load 5 USB units (5V/0.5A)
  • Data signal lines protected from transient voltages
Via ribbon cable
Electrical Specifications
  • Supply voltage/power consumption:
    • +5V (-3%/+5%), 600mA typ./max.
  • MTBF: tbd. (derived from MIL-HDBK-217F)
Mechanical Specifications
  • Dimensions: 32mm x 42mm
  • Weight: 20g
Environmental Specifications
  • Temperature range (operation):
    • -40..+85°C
    • Airflow: min. 10m³/h
  • Temperature range (storage): -40..+85°C
  • Relative humidity (operation): max. 95% non-condensing
  • Relative humidity (storage): max. 95% non-condensing
  • Altitude: -300m to + 3,000m
  • Shock: 15g/11ms
  • Bump: 10g/16ms
  • Vibration (sinusoidal): 2g/10..150Hz
  • Conformal coating on request
PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
Tested according to EN55022 / 1999-05 (radio disturbance) and EN 55024 /1999-05 (immunity)