B-1
Cisco Content Delivery Engine 205/220/250/280/285/420/460/475 Hardware Installation Guide
A P P E N D I X
B
Connector Pin Assignments
This appendix lists the connector pin assignments for the Cisco Content Delivery Engines.
•
Serial Console-Interface Connector Pin Assignments, page B-1
•
Ethernet Connector Pin Assignments, page B-3
•
Cable Pin Assignments, page B-6
Serial Console-Interface Connector Pin Assignments
The serial console-interface connector is a 9-pin, RS-232 D-type, DTE connector. A null modem cable
is required to connect a workstation running the Linux or Windows operating system.
lists the
pin assignments for the serial console interface-connector.
Table B-1
RS-232 Connector Pin Assignments
Description
Pin
I/O
Signal Name
Data carrier detect; input
1
In
DCD
Receive data; input
2
In
RXD
Transmit data; output
3
Out
TXD
Data terminal ready; output
4
Out
DTR
Interface signal ground
5
—
GND
Data set ready; input
6
In
DSR
Ready to send; output
7
Out
RTS
Clear to send; input
8
In
CTS
Ring indicator; input
9
In
RI
Table B-2
RJ-45 Connector Pin Assignments
Description
Pin
I/O
Signal Name
Request to Send; input
1
In
RTS
Data Terminal Ready; output
2
Out
DTR
Transmit data; output
3
Out
TXD