Mocomtech SLM-5650 - Manual (Page 104)

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.