Installation
11
RS-232 Connector
The RS-232 connector carries ASCII data between the Antenna Monitor and a
display panel or PC. If a PC is connected to the display front panel, it is also
routed to this connector. Pin numbers and connection descriptions are given in
.
Figure
7
DB-9 RS-232 Connector
Pin
Description
1
Carrier Detect, always > +5 VDC
2
Transmit Output, RS-232 data signal
3
Receive Input, RS-232 data signal
4
Data Set Ready Input, connected but not used
5
Data Signal Ground
6
Data Terminal Ready Output, connected but not used
7
Clear-To-Send, shorted internally to Ready-To-Send
8
Ready-To-Send, shorted internally to Clear-To-Send
9
Ring Indicator, no connection