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COM Port Pinout Assignments
DLE22-MA, DLE32-MA, DLE23-MA and DLE33-MA User’s Guide 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.
The COM port has the following pin assignments:
A.6 REGULATORY COMPLIANCE
Safety
The DLE2X-MA and DLE3X-MA meet the safety requirements of
UL 1950, CSA C22.2 No. 950, EN 60950, IEC 950 and 73/23/EEC.
Electromagnetic Compatibility (EMC)
The DLE2X-MA and DLE3X-MA meet the requirements of FCC Part 15,
EN 50082-1, EN 55022, VCCI V-3, CSA C108.8, and 89/336/EEC,
BCIQ.
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