Extreme Networks Extreme 7520 Series - RJ45 Console Port on Switch; Pinouts for an RJ45 to DB-9 Adapter

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