Cabletron Systems 6000 - Manual (Page 163)

COM Port Pinout Assignments
6E128-26, 6E138-25, 6E129-26 and 6E139-25 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 6E12X-26 and 6E13X-25 meet the safety requirements of UL 1950,
CSA C22.2 No. 950, EN 60950, IEC 950 and 73/23/EEC.
Electromagnetic Compatibility (EMC)
The 6E12X-26 and 6E13X-25 meet the requirements of FCC Part 15,
EN 50082-1, EN 55022, VCCI V-3, CSA C108.8, AS/NZS 3548 and
89/336/EEC.
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