Extreme Networks 17001 manual Console Connector Pinouts, Pinouts for the DB-9 Console Connector

Technical Specifications

Console Connector Pinouts

This section provides connector pinouts for the console port and associated cables.

Table 52 describes the pinouts for a DB-9 console plug connector.

Table 52: Pinouts for the DB-9 Console Connector

Function	Pin Number	Direction
DCD (data carrier detect)	1	In
RXD (receive data)	2	In
TXD (transmit data)	3	Out
DTR (data terminal ready)	4	Out
GND (ground)	5	-
DSR (data set ready)	6	In
RTS (request to send)	7	Out
CTS (clear to send)	8	In

Figure 183 shows the pinouts for a 9-pin to 25-pin (RS-232) null-modem cable.

Figure 183: Null-Modem Cable Pinouts

Switch	PC/Terminal
Cable connector: 9-pin female	Cable connector: 25-pin male/female

Screen Shell

TxD 3

RxD 2

Ground 5

RTS 7

CTS 8

DSR 6

DCD 1

DTR 4

1 Screen

3 RxD

2 TxD

7 Ground

4 RTS

20 DTR

5CTS

6DSR

8DCD

25pin

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