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COM Port Pinout Assignments
Specifications A-3
A.6 COM PORT PINOUT ASSIGNMENTS
The COM port is a serial communications port that supports Local Management or connection to a
UPS.
Table A-1 shows the COM port pin assignments.
A.7 REGULATORY COMPLIANCE
This equipment meets the following safety and electromagnetic compatibility (EMC)
requirements:
Table A-1 COM Port Pin Assignments
Pin Signal Name Input/Output
1 Transmit Data (XMT) Output
2 Data Carrier Detect (DCD) Output
3 Data Set Ready (DSR) Input
4 Receive Data (RCV) Input
5 Signal Ground (GND) NA
6 Data Terminal Ready (DTR) Output
7 Request to Send (RTS) Input
8 Clear to Send (CTS) NA
Safety: UL 1950, CSA C22.2 No 950, 73/23/EEC, EN 60950,
IEC 950
Electromagnetic
Compatibility (EMC): FCC Part 15, CSA C108.8, 89/336/EEC, EN 55022,
EN 61000-3-2, EN 61000-3-3, EN 50082-1, AS/NZS 3548,
VCCI V-3