905U-L Wireless I/O Installation Manual
905U-L Wireless I/O
Page 38 of 40
Version 1.9
Ancillary hardware reference information
This section contains reference information about additional hardware components you
may need for your unit.
RS232 serial cable
You can connect the unit to a PC using an RS-232 serial cable to:
Transfer configuration information
;
Perform factory and field-testing
.
The serial port is an 8 pin RJ-45 plug that communicates using standard RS-232 signals:
Signal information
Value
Baud rate
9600
Bits
8 bits with 1 stop bit
Parity
No parity
ELPRO can supply a configuration cable.
Note
The following pin-out information is for reference only.
RJ-45
Required
Signal name
Normal colour
DB9
1
Ring Indicator
Green / White
9
2
Data Carrier Detect
Green
1
3
Y
Data Terminal Ready
Orange / White
4
4
Y
Signal Common
Blue
5
5
Y
Receive Data (from Modem)
Blue / White
2
6
Y
Transmit Data (to Modem)
Orange
3
7
Clear to Send
Brown / White
8
8
Request to Send
Brown
7
