Light Emitting Resistor

Just found this in the Akron Beacon Journal (OHIO)
Two questions: What is a light emitting resistor?
Is it simular to a SED? ;-)
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Engineer
MECHANICAL Engineer for a firm in NE Ohio. Develop
mechanical & electromechanical products & systems, & coordinate
activities in fabrication, operation, application, installation &
repair. Multi-component products & systems include oil
production & separation, storage facilities, utility plants,
water treatment plants, & chemical plants, with various controls,
analyzers & regulators components, such as Bailey Infi DCS
(Distributed Control System) & associated LER's (Light Emitting
Resistor),
PLC based ESD Logic System, ICS (Integrat ed Control System)
Bailey Triplex System, GE (General Electric) Fanuc & Allen Bradley PLC,
Taylor MOD & PC (Personal Comput er) based Process Control Systems,
environmental analyzers, & fire & gas detection & controls. Must have
8 yrs. exp. in the job de scribed OR 8 yrs. exp. as an Engineer OR
Engineer
Technologist. 8 yrs. exp. must include: 2 yrs. professional exp. in
LER's, PLC based ESD Logic System, ICS Bailey Triplex
System, GE Fanuc & Allen Bradley PLC, Taylor MOD &
PC based Process Control Sys tems, environmental analyzers, & fire
& gas detection & controls. Skills/exp. may be evidence by
academic let ter(s), reference(s), &/or testimonial(s), if
requested. 40 hrs/wk, 8 a.m.-5 p.m., Mon.-Fri.,
$59,616/yr. Must have proof of legal authority to work indefinitely in
U.S.
Send 2 resumes & cover letters (NO CALLS) to:
REF#10969JED, P.O. Box 16808, Columbus, Ohio 43216.
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Almost looks like they already have a candidate and they used his resume
as the definition of the position.
ARM