Extreme Networks Extreme 7520 Series - Console Connector Pinouts; Pinouts for the DB-9 Console Connector

Console Connector Pinouts
Table 42 describes the pinouts for a DB-9 console plug connector.
Table 42: 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 33 shows the pinouts for a 9-pin to 25-pin (RS-232) null-modem cable.
Figure 33: Null-Modem Cable Pinouts
Figure 34 shows the pinouts for a 9-pin to 9-pin (PC-AT) null-modem serial cable.
Technical Specications Console Connector Pinouts
Extreme 7520 Hardware Installation Guide 99