Extreme Networks Extreme 7520 Series Hardware Installation Manual page 100

Console Connector Pinouts
Figure 34: PC-AT Serial Null-modem Cable Pinouts
Table 43
switches.
Table 43: RJ45 Console Port on Switch
Function
RTS (request to send)
DTR (data carrier detect)
TXD (transmit data)
GND (ground)
GND (ground)
RXD (receive data)
DSR (data set ready)
CTS (clear to send)
Table 44
Table 44: Pinouts for an RJ45 to DB-9 Adapter
Signal
CTS (clear to send)
DTR (data carrier detect)
TXD (transmit data)
GND (ground)
GND (ground)
RXD (receive data)
100 Extreme 7520 Hardware Installation Guide
shows the pinouts for the RJ45 console port on the ExtremeSwitching
shows the pinouts for an RJ45-to-DB-9 adapter.
Pin Number
1
2
3
4
5
6
7
8
RJ45 Pin
1
2
3
4
5
6
Technical Specifications
Direction
Out
Out
Out
—
—
In
In
In
DB-9 Pin
8
6
2
5
5
3