
COM Port/Pin Assignments
A.6 COM PORT/PIN ASSIGNMENTS
The COM port is a serial communications port that supports Local Management or connection to a UPS. Table
Table A-3 COM Port Pin Assignments
Pin | Signal Name | Input/Output |
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1 | Transmit Data (XMT) | Output |
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2 | Data Carrier Detect (DCD) | Output |
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3 | Data Set Ready (DSR) | Input |
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4 | Receive Data (RCV) | Input |
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5 | Signal Ground (GND) | NA |
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6 | Data Terminal Ready (DTR) | Output |
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7 | Request to Send (RTS) | Input |
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8 | Clear to Send (CTS) | NA |
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A.7 REGULATORY COMPLIANCE
This equipment meets the following safety and electromagnetic compatibility (EMC) requirements:
Safety | UL 1950, CSA C22.2 No. 950, |
| EN60950, IEC 950, and 73/23/EEC |
Electromagnetic | FCC Part 15, EN 55022, CSA C108.8, |
Compatibility (EMC) | EN |
| and 89/336/EEC |
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