Cisco Cisco Email Security Appliance C170 User Guide
B-531
Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
Appendix B Accessing the Appliance
8
CTS
O
Clear to send
9
RI
I
Ring indicator
Shell
n/a
n/a
Chassis ground
Pin
Signal I/O
Definition