COM Port/Pin Assignments
2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide
A-3
A.6
COM PORT/PIN 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
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,
EN 60950, IEC 950, and 73/23/EEC
Electromagnetic
Compatibility (EMC)
FCC Part 15, EN 55022, CSA C108.8,
EN 50082-1, AS/NZS 3548,
VCCI V-3, and 89/336/EEC
Summary of Contents for Spectrum 2E42-27
Page 2: ......
Page 8: ...Notice vi 2E42 27 2E42 27R 2E43 27 2E43 27R User s Guide...
Page 24: ...Chapter 1 Introduction 1 12 2E42 27 2E42 27R 2E43 27 2E43 27R User s Guide...
Page 44: ...Chapter 3 Installation 3 18 2E42 27 2E42 27R 2E43 27 2E43 27R User s Guide...
Page 52: ...Chapter 4 Troubleshooting 4 8 2E42 27 2E42 27R 2E43 27 2E43 27R User s Guide...
Page 144: ...Appendix A Specifications A 4 2E42 27 2E42 27R 2E43 27 2E43 27R User s Guide...
Page 164: ...Index Index 6 2E42 27 2E42 27R 2E43 27 2E43 27R User s Guide...
