Installation/Cabling; Rs232 - CAL Controls CALCOMMS 9300 Manual

RS232 Connections
RS-232 Is the standard most widely used for interfacing
peripherals to PC's and is designed for serial
communications with single instrument up to a distances
of 15 metres, in a low electrical noise environment.
Connection is via a screened two core cable where the
voltage signal on each line is referenced to the screen
which is grounded. Most PC's have one or two RS-232
compatible ports fitted as standard.
9 10 11 12 13
1 2
COM port

Installation/Cabling

Tx
Rx
Gnd
14 15 16
1
6
3 4 5 6 7 8
3300/9300 PC Com 1
rear terminal
5
9
Port
DB-9 Pin
1