GE MAC 3500 Service Manual

4-18 MAC™ 3500 Resting ECG Analysis System Revision L 
2021337-036
Troubleshooting: Diagnostic Tests
Communication Test
Communication tests are available for the COM ports, external modem, internal
modem and Ethernet. The Communication Test menu is shown below:
 COM Port Loopback Test. The Communications (COM) Port Loopback test
sends vari
ous ASCII characters out from the COM Port’s transmit lines
and
expects
the same character to return to its receiving lines. Perform test
for both
COM 1 and
COM 2 ports. COM 3 and COM 4 are not included on the MA
C
350
0.
To run test, connect pin 3 to pin 5 using a jumper and then press any key to st
art.
The test will
return a pass/fail for several baud rates.
22A

GE MAC 3500 Specifications

General

Brand	GE
Model	MAC 3500
Category	Medical Equipment
Language	English