Installation guide

2-6 S
UMMIT
S
WITCH
H
ARDWARE
I
NSTALLATION
G
UIDE
I
NSTALLATION AND
S
ETUP
Appropriate cables are available from your local supplier. To make your own cables,
pinouts for a DB-9 male console connector are described in Table 2-1.
Figure 2-3 shows the pin-outs for a 9-pin to RS-232 25-pin null-modem cable.
Figure 2-3:
Null-modem cable pin-outs
Table 2-1:
Console Connector Pinouts
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
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
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