Extreme Networks Summit1 - Page 45

S
UMMIT
S
WITCH
I
NSTALLATION AND
U
SER
G
UIDE
2-5
C
ONNECTING
E
QUIPMENT TO THE
C
ONSOLE
P
ORT
Appropriate cables are available from your local supplier. In order to make your own
cables, pin-outs for a DB-9 male console connector are described in Table 2-2.
Figure 2-2 shows the pin-outs for a 9-pin to RS-232 25-pin null-modem cable.
Figure 2-2:
Null-modem cable pin-outs
Figure 2-3 shows the pin-outs for a 9-pin to 9-pin PC-AT null-modem serial cable.
Figure 2-3:
PC-AT serial null-modem cable pin-outs
Table 2-2:
Console Connector Pin-Outs
Function Pin Number
TXD (transmit data) 3
RXD (receive data) 2
GND (ground) 5
Screen
TxD
RxD
Ground
RTS
CTS
DSR
DCD
DTR
Cable connector: 9-pin female
Summit
Cable connector: 25-pin male/female
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
Summit
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
Summit.bk : 2INSTALL.FM Page 5 Thursday, June 18, 1998 9:27 AM