SPEED Serial adaptors User guide
RJ45 socket pinouts on SPEED host cards
Page 78
Chapter 3 SPEED Cabling information
cards
The connector pinout for each RJ45 socket fitted to the PCI host card is as
follows;
PCI host card
Port 1
Pin 1
RJ45 pin
Signal
Direction
Description
1
RI
In
Ring Indicator
2
DCD
In
Data Carrier Detect
3
DTR
Out
Data Terminal Ready
4
DSR
In
Data Set Ready
5
GND
Ground
6
TXD
Out
Transmit Data
7
RXD
In
Receive Data
8
RTS
Out
Request To Send
9
CTS
In
Clear To Send
10
N/C
-
Not connected
