COM Port Pinout Assignments
Specifications
A-3
A.5
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.6
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
