Serial port, 4 serial port – ADLINK aTCA-9300 User Manual
Page 24
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3.3.4 Serial
Port
One PC-compatible serial RS-232, RJ45 port is provided on the front panel with DIP switches
SW5 and SW6 on the board that are used to set the COM port function to RS-232 mode or
IPMC
debug mode. A complete set of handshaking and modem control signals are supported,
with data transfer rates up to 115.2 kB/sec.
The Front Panel RJ45 COM connector CN8 pin-assignment is listed below.
COM1 Serial Port Connector Pin Definition
Pin #
Signal
Function
1 DCD#
Data
Carrier
Detect
2
RTS#
Request to Send
3
DSR#
Data Set Ready
4 TXD Transmit
Data
5 RXD Receive
Data
6 GND
Ground
7
CTS#
Clear to Send
8 DTR# Data
Terminal
Ready
When the Front Panel RJ45 COM connector is set to IPMC debug mode, the pin assignment
of the RJ45 connector is as below.:
Pin #
Signal
Function
1
NC
Not connected
2
NC
Not connected
3
NC
Not connected
4
DBG_TX IPMC Transmit Data
5
DBG_RX
IPMC Receive Data
6 GND
Ground
7
NC
Not connected
8
NC
Not connected
See “3.3.6.4 COM1 Mode Switch Settings” on page 26 for SW5 and SW6 DIP switch settings.