Audio International, Inc. MSM2921-0x-x Installation
Document #540186, Rev. IR, 2/2000
Page 10 of 11
3.9 Post-Installation
Test
Verify that the data bus conversion commences and appropriate
equipment is operational.
4.0
Troubleshooting Guide
4.1
General Troubleshooting Procedures
Many problems can be isolated with the following general techniques:
•
To verify power to the unit, r28 VDC is applied to the proper
pins on the unit. Use a voltmeter to verify correct level.
•
Reset by removing power from the unit for at least one minute and
reapply power. Verify the problem still exists.
•
Recheck all connections to the unit for security. Check all harness
runs for possible pinching. Recheck all pinouts for application
accuracy.
4.2 Troubleshooting
Should difficulties arise in the installation or operation of the unit, contact
AI Product Support for assistance.
5.0
Specifications
5.1
Unit Specifications
Physical Specifications
Housing
Aluminum
Dimensions
(W x L x H)
5.71” x 5.40” x 1.05”
14.50cm x 13.72cm x 2.67cm
Weight
0.58 lbs / 0.26 kg
Electrical Specifications
Power
50 mA at +28 VDC
Data Bus Type
AI Proprietary RS485
Outputs
80 mA at +28 VDC
Output Sink
50 mA at +28 VDC
