M3060 User Instructions
39
5.12 Communications
5.12 Communications
When you select
Communications
, you will see the various communications options
available. Select an item to view the status of the link.
5.12.1 Test Communications Ports
You can perform the following tests on any of the available communications (COM)
ports.
Select
Com1 Diagnostics, Com2 Diagnostics or Com3 Diagnostics
from the menu
to perform the LOOP/NO LOOP tests and check the RTS / CTS. See sample screen in
Figure
.
Figure 5.16 COMX Diagnostics Screen
Loop Back Test
Perform the Loop Back Test by placing a jumper between Pins 2 and 3 of the COM port
being tested. When connected, the
NO LOOP
should change to
LOOP
. If this does not
happen, contact your service representative.
Figure 5.17 Sample COM Port
COM Port
Pin
Description
1
N/C
2
XMT
3
N/C
4
RXD
5
GND
6
GND
7
+5 V
8
+8 V
