Cabletron Systems SEHI-22 User Manual

Also see for SEHI-22: User guide Addendum

Contents

CHAPTER 2: INSTALLATION REQUIREMENTS/SPECIFICATIONS2-4SEHI USER’S GUIDE2.2 NETWORK PORT SPECIFICATIONSThe SEHI-22 and SEHI-24 network ports use shielded RJ45 connectorsthat support STP and UTP cabling. Figure 2-1 shows the RJ45 pinouts.Figure 2-1. RJ45 Network Ports2.3 COM PORT REQUIREMENTSThe RJ45 COM port supports access to a Local Management Console.The Console port supports a Digital Equipment Corporation, VT320terminal or PC emulation of the VT320 terminal. Figure 2-2 shows thepinouts for the RJ45 COM port.Figure 2-2. COM Port Pinouts1 2 3 4 5 6 7 81. Receive + 5. Not Used2. Receive - 6. Transmit -3. Transmit + 7. Not Used4. Not Used 8. Not Used5X 3X 1X1490_31. Transmit Data2. Data Carrier Detect3. Data Set Ready4. Receive Data5. Signal Ground6. Data Terminal Ready7. Request To Send8. Clear To Send1 2 3 4 5 6 7 8COM1490_36