Keithley KPXI, User Manual

Page: 31 / 97

KPXI-CON-900-01 Rev. A / January 2007 Return to Section Topics 2-5
KPXI System Controller User’s Manual Section 2: I/O Connectors and Pin Assignment
Ethernet (RJ-45) connector
COM1, 2 serial port connector DB-9
Table 2-5
Ethernet connector pin assignment
Pin Signal Function
1 TDP Transmit Data (+)
2 TDN Transmit Data (-)
3 RDP Receive Data (+)
4 LANCT1 Termination
5 LANCT2 Termination
6 RDN Receive Data (-)
7 NC No Connect
8 GND Ground
9 TDP Transmit Data (+)
Table 2-6
Ethernet LED status definitions
Status Yellow LED Green LED
Network link is not established OFF OFF
10 Mbps(10 BaseT) Link ON OFF
Active Flash OFF
100 Mbps (100 BaseT) Link ON OFF
Active Flash OFF
1000 Mbps (1000 BaseT) Link ON ON
Active Flash ON
Table 2-7
COM connector pin assignment
Pin Signal Function
1 DCD# Data Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
4 DTR# Data Terminal Ready
5 GND Ground
6 DSR# Data Set Ready
7 RTS# Request to Send
8 CTS# Clear to Send
9 RI# Ring Indicate