Relcom Inc.

Relcom Inc.

Relcom specializes in the design and manufacture of highly reliable hazardous area certified electronic products for the process industry.  From our headquarters near Portland, Oregon, USA, we provide network adaptors, network hubs, temperature measurement equipment,  power supplies, and test equipment to demanding users and leading control system manufacturers since 1985.

Contact Us

Relcom Inc.
2221 Yew Street, Forest Grove, OR 97116 USA​  
+1 (503) 357-5607​ 




Relcom makes two APL  products, the A111 & A112,  that facilitate connection of a PC or laptop to an Ethernet-APL Field Device.  ​

Features common to both the A111 & A112:​

  • Provides power to the Ethernet-APL device​
  • Short-circuit protected​
  • Protocol independent​
  • No Ethernet-APL Power Switch or Field Switch required​
  • Portable - can be used in the field

More information:​

A111: Uses an RJ45 Ethernet connection

A112: Uses a USB-C connection to the PC