Switch Owner's Manual

Technical Specifications

204515-C A-5

Table A-2 lists the pin assignments for the Console port for both the DTE and

DCE settings.

Modem Serial Port

The Modem serial port is implemented on a DB-9 connector wired as a DTE

connection.

To set up modem access, you need a DTE-to-DCE cable (straight or transmit

cable) between the Modem port and a modem or terminal server. The cable should

have the pin assignments listed in Table A-3

Table A-2. Pin Assignments in the Passport 8190SM Console Port

Connector Pin Number DCE Signal DTE Signal

2RXDTXD

3TXDRXD

4DTRDSR

5GNDGND

6DSRDTR

7RTSCTS

9CTSRTS

Table A-3. DTE-to-DCE Pin Assignments

Switch Modem

Signal

Number

DCE DB-9

Pin Number

DCE DB-25

Pin Number

RXD 2 2 3

TXD 3 3 2

DTR 4 4 20

GND 5 5 7

DSR 6 6 6

RTS 7 7 4

CTS 9 9 5

9473EA