Service Manual
I4X/EN CO/D
ISTAT I4X
Page 13/22
8.5
Status Indication: Ethernet
When used with an Ethernet connection,
LED’s on the RJ45 plug will indicate the presence
of Ethernet activity. When the network is active the left hand LED will be continuously lit or
blinking for a 10Mb/s connection or activity and the right hand LED for 100Mb/s connection
or activity.
8.6
EIA (RS)232 to computer socket connection
When using RS232 to connect to a computer, the RS232 connection can be made with
either a 9 or 25 pin socket. The connections are shown in the table below:
RS232
Port on I4X
Computer DB9F terminal
(9 pin)
Computer DB25F terminal
(25 pin)
(TX) 26
(RX) 24
(GND) 25
2
3
5
3
2
7
