1 checkout 5.1.2 interface checkout – Mocomtech SLM-5650 User Manual
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SLM-5650 Satellite Modem
Revision 1
Maintenance
MN/SLM5650.IOM
5–2
5.1.1 Checkout
5.1.2 Interface Checkout
Use the following procedure and the test setup in Figure 5-1 to verify the data interface.
VAR ATTEN
NOISE
GENERATOR
ATTEN
VAR
DATA
CONNECTORS
BER
TEST SET
TX IF
RX IF
BERT
MODEM UNDER TEST
Figure 5-1. Fault Isolation Test Setup
Notes:
1. Ensure the correct data and IF interface is selected and configured for the proper mode of
operation.
2. Connect a BER test set to the appropriate modem data connector as shown in Figure 5-1.
3. Set up the modem for baseband loopback operation by selecting I/O1 in the
Test\Loopback\I/O1: from the front panel menu. The modem will run error free.