Advantech AWMT, Installation And Operation Manual

Page: 29 / 65

AWMT
28
TABLE 7 : SERIAL INTERFACE RS-232 CONNECTION INFORMATION
RS-232 at PC Pin
Serial Interface
RS-232 Pin
Active Condition
DB-9 DB-25
C
RX
Í
3
2
D TX
Î
2 3
E +5 VDC power source -
-
F Common 5 7
8. Connect the IF input source to the N-type female connector at the Tx In input port.
9. Verify that AC (or DC) power source is switched OFF.
10. Verify that the AC (or DC) power source can satisfy the power requirements given by the
AWMT specifications.
WARNING! Proper grounding of the AC (or DC) power outlet is necessary for personnel
and equipment safety. Improper grounding may cause serious injury or
death of the operator.
11. Using the AC (or DC) power cable fabricated per Section 6.3.1 at page 25, connect one end
of the power cable to port (J5) of the AWMT.
CAUTION! Ensure that the proper pin is selected for AC (or DC) operation. Applying power on
the wrong pin may permanently damage the AWMT necessitating factory repair.
Refer to
TABLE 8 below for the correct pin assignment.
12. Connect the remaining end of the cable to the AC (or DC) power source.
TABLE 8 : LINE (J5) CONNECTOR – PIN ASSIGNMENT
Description
Units with DC Supply Units with AC Supply
Pin
+48 V DC Phase (live) A
Ground Ground B
48 V RETURN Neutral C
13. If necessary, connect a power meter or a spectral analyser to the RF output monitor port
(Mon).