Cisco Cisco Email Security Appliance C170 Guía Del Usuario
B-5
Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide
OL-25137-01
Appendix B Accessing the Appliance
Accessing via a Serial Connection
If you are connecting to the appliance via a serial connection (see “Connecting to the Appliance” in the
Cisco IronPort AsyncOS for Email Configuration Guide),
Cisco IronPort AsyncOS for Email Configuration Guide),
illustrates the pin numbers for the
serial port connector, and
defines the pin assignments and interface signals for the serial port
connector.
Figure B-2
Pin Numbers for the Serial Port
Table B-2
Serial Port Pin Assignments
Pin
Signal
I/O
Definition
1
DCD
I
Data carrier detect
2
SIN
I
Serial input
3
SOUT
O
Serial output
4
DTR
O
Data terminal ready
5
GND
n/a
Signal ground
6
DSR
I
Data set ready
7
RTS
I
Request to send
8
CTS
O
Clear to send
9
RI
I
Ring indicator
Shell
n/a
n/a
Chassis ground