Appendix b serial port connectivity, Serial port pinout – Tripp Lite 93-2879 User Manual
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B096-016 B096-048 and B092-016 User Manual
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Appendix B
Serial Port Connectivity
Pinout standards exist for both DB9 and DB25 connectors, however, there are not pinout standards for
serial connectivity using RJ45 connectors. Many Console Servers and serially managed servers/ router/
switches/ PSUs have adopted their own unique pinout; so custom connectors and cables may be
required to interconnect your Console Server. In an endeavor to create some move to standardization,
Tripp Lite Console Server products all use the same RJ45 pinout convention as adopted by Cisco, SUN
and others.
Serial Port Pinout
The 16/48 RJ45 connectors on the B092-016 Console Server with PowerAlert, and the B096-048/016
Console Server Management Switch have the following pinout:
PIN SIGNAL DEFINITION DIRECTION
1
CTS
Clear To Send
Input
2
DSR
Data Set Ready
Input
3 RXD
Receive
Data
Input
4 GND
Signal
Ground
NA
5 GND
Signal
Ground
NA
6 TXD
Transmit
Data
Output
7
DTR
Data Terminal Ready
Output
8
RTS
Request To Send
Output
The LOCAL (console/modem) port on the Console Server uses a standard DB9 connector as tabled
below:
SIGNAL
DB9 Pin
DEFINITION
TXD 3
Transmitted
Data
RXD 2
Received
Data
RTS
7
Request To Send
CTS
8
Clear To Send
DSR
6
Data Set Ready
GND 5
Signal
Ground
CD
1
Received Line Signal Detector
DTR
4
Data Terminal Ready
RI
9
Ring Indicator
FEMALE
MALE
9 pin DB9