Console Connector Pinouts
Summit Family Switches Hardware Installation Guide
501
Figure 341: Null-Modem Cable Pinouts
Figure 342 shows the pinouts for a 9-pin to 9-pin (PC-AT) null-modem serial cable.
Figure 342: PC-AT Serial Null-modem Cable Pinouts
Table 110 shows the pinouts for the RJ-45 console port on the Summit X670 series switches.
Table 110: RJ-45 Console Port on Summit X670 Series Switches
Function Pin Number Direction
CTS (clear to send) 1 In
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
Screen
TxD
RxD
Ground
RTS
CTS
DSR
DCD
DTR
Cable connector: 9-pin female
Switch
Cable connector: 25-pin male/female
25pin
PC/Terminal
Screen
RxD
TxD
Ground
RTS
DTR
CTS
DSR
DCD
Shell
3
2
5
7
8
6
1
4
1
3
2
7
4
20
5
6
8
Screen
DTR
TxD
RxD
CTS
Ground
DSR
RTS
DCD
Cable connector: 9-pin female
Switch
Cable connector: 9-pin female
PC-AT Serial Port
Screen
DCD
RxD
TxD
DTR
Ground
DSR
RTS
CTS
Shell
4
3
2
8
5
6
7
1
Shell
1
2
3
4
5
6
7
8
9pin