Test Menu – Serial Port2 - Loop Back Test
With
Serial Port2 -
Loop Back Test
highlighted, press
ENT [F5] to bring
up the screen shown
to the right. At this
point, either connect
the RS-232 loop
back connector or
the RS-422/485 loop
backconnector,
depending on which
type of
communications
connection is being
used, and press ENT
[F5] to start the test.
If the test is passing,
the
Receive Counts
will equal the
Bytes
Sent
. If the serial
port is not working,
then the
Error
Counts
will equal the
Bytes Sent
. The
RTS/CTS
signals
will also show either
pass
or
fail
as shown
to the right. The test
will continue until
the BAK [F1] key is
pressed.
1
15
15-pin D-sub
(male)
2
3
TXD
RXD
7
8
CTS
RTS
RS-232 Loop-back Connector
Wiring Diagram
1
15
15-pin D-sub
(male)
7
8
CTS
RTS
9
11
RXD+
TXD+
10
12
RXD
TXD
RS-422/485 Loop-back Connector
Wiring Diagram
BAK
UP
DWN
ENT
ESC
LOOP BACK TEST
Serial Port2
Bytes Sent 124
Rcv Counts 124
Err Counts 0
RTS/CTS pass
BAK
UP
DWN
ENT
ENT
TEST MENU
1 Serial Port1 Loop Back
2
k
3
4
5
Use Loop Back
Connector and
Press ENT
BAK
UP
DWN
ENT
ESC
LOOP BACK TEST
Serial Port2
Bytes Sent 124
Rcv Counts 124
Err Counts 0
RTS/CTS pass
BAK
UP
DWN
ENT
ESC
LOOP BACK TEST
Serial Port2
Bytes Sent 124
Rcv Counts 0
Err Counts 124
RTS/CTS fail
®
5
Chapter 5: System Setup Screens
5–16
EA1-MG6-USER-M Hardware User Manual, 1st Ed. Rev C, 09/10
