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Digital Energy™ GT Series
4 - Communication
4.1Description
The GT Series UPS is equipped with a communications interface, providing RS232 and dry contact protocols in one
Some computers may have a special connector to link this communication port, or require a special
The dry contacts (4.3) and (optional) SNMP
The pin assignment of the interface connector is defined as follows:
PIN | ASSIGNMENT DESCRIPTION | ||
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Dry Contact | |||
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1 |
| Low battery (Open collector) | |
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2 | UPS TxD (typical |
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3 | UPS RxD (typical | Remote shutdown (5~12V) | |
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4 | Reserved for PNP |
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5 | GND | GND | |
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6 | Reserved for PNP | Reserved | |
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7 | Reserved for PNP | Reserved | |
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8 |
| Utility Fail (Open collector) | |
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9 |
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Pin Assignment | Open Collector Circuit |
The maximum voltage and current on pin 1,8 is 30VDC, 10mA.
OPM_GTU_19X_1K0_3K0_XUS_V014 | 14 |