MED Associates SG-231, User Manual, Page: 7 / 11

MED ASSOCIATES, I NC. SG-231 2 8V DC TO TTL AD APTER
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DOC-203 Rev. 1.6 Copyright © 2020
Med Associates, Inc.
Configuration 2
This configuration allows the user to convert the 28V DC signal from an available output on a powered
Med Associates Connection Panel to a TTL signal.
The SG-231 does not require a 28V DC input in this configuration; the output on the powered
Connection Panel supplies 28V DC. See Figure below.
Figure 2.2 – SG-231 Configuration 2
Operate LED
The Operate LED indicator, Figure 2.3, will illuminate when the unit receives an input signal to operate
the TTL device.
Figure 2.3 - Operate LED Indicator